Potters-Ballotini

What Potters-Ballotini does

Potters-Ballotini Co., Ltd. (ポッターズ・バロティーニ株式会社) is a Japanese specialty glass bead manufacturer founded in 1966 as a joint venture between Potters Industries Inc. and Toshiba Corporation, originally named Toshiba Ballotini Co., Ltd. The company became a wholly-owned subsidiary of Potters Industries LLC in 2001 when Toshiba transferred its shares, and it operates today as the Japanese arm of what the company describes as the world's largest glass bead manufacturer. The firm is headquartered and produces from a single factory in Tsukuba, Ibaraki Prefecture (following the 2017 closure of the Kansai Factory), supplemented by an Osaka sales office. Registered capital stands at ¥216 million and the company maintains a workforce in the 1,001–5,000 band, led by Representative Director Akihiro Ohshima. Its sole shareholder is the Luxembourg-based Potters International Holdings S.á.r.l.

The company manufactures a diversified portfolio of glass bead products across five application categories. For road marking, it produces JIS R 3301-compliant standard beads, high-refraction beads, and the proprietary Vizibiz® (ビジビーズ®) large-diameter beads optimized for wet-weather retroreflectivity, alongside the MX-7S portable retroreflectometer for road marking quality measurement. For industrial surface finishing, it offers blasting glass beads, glass powder, and the Plashot® (プラショット®) soft resin media for precision parts processing. For functional fillers, it produces general-purpose and micro glass beads (Spheriglass®, licensed from Potters Industries LLC), inorganic hollow spheres (Q-CEL®, Sphericel®), and ceramic-based Extendospheres® for lightweighting, thermal insulation, and dimensional stability in plastics, films, and paints. For electromagnetic applications, it manufactures silver-coated glass beads and the CONDUCT-O-FIL® conductive additive line. For grinding and dispersion, it sells large glass beads used in pigment, ink, calcium carbonate, and phosphor processing. Underlying capabilities include retroreflective glass bead engineering, silver-coating processes, and hollow sphere manufacturing. The firm holds ISO 9001:2015, ISO 14001:2015, and JIS R 3301:2014 certifications.

Potters-Ballotini operates a direct B2B sales model across four customer segments: road infrastructure (government transportation departments and road contractors), industrial manufacturing (aerospace, automotive, precision machinery OEMs requiring blasting and finishing), plastics and materials industries (resin, film, and coating manufacturers using functional fillers), and electronics (manufacturers of conductive and anti-static components). Pricing is quote-based and not publicly disclosed. Distribution within Japan runs through the Tsukuba headquarters sales team and the Osaka sales office; international demand is served via access to the Potters Industries LLC global network spanning 14 countries and 30+ factories. No revenue, ARR, or detailed financial metrics are publicly disclosed.

Name

Potters-Ballotini

Legal name

Potters-Ballotini Co., Ltd.

Website

https://pqj.co.jp

Company type

Private

Founded year

1966

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Potters-Ballotini Co., Ltd. is a Japanese specialty glass bead manufacturer and wholly-owned subsidiary of Potters Industries LLC, producing retroreflective road marking beads, blasting media, functional fillers, hollow glass spheres, and conductive additives for road infrastructure, industrial manufacturing, plastics, and electronics customers.

Ownership category

akta.pro rank

Headquarters

HQ city

Malvern

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Technology or R&D, Infrastructure

Revenue model

1. Glass Bead Products Sales: Manufacture and sale of glass beads for road markings, industrial applications, blasting media, and functional fillers. Products include standard beads, high-refractive beads, Vizibiz branded products, blasting media, and various filler types
2. Specialty Coated Beads: Silver-coated glass beads and CONDUCT-O-FIL conductive additives for silicone rubber, plastics, inks, coatings, adhesives, and pastes
3. Measuring Equipment Sales: Sale of MX-7S retroreflectometer for road marking quality evaluation

Distribution channels3 records

Marketing channels4 records

Core offering

Potters-Ballotini manufactures and sells a broad portfolio of glass bead products in Japan, organized into five application categories: retroreflective glass beads for road marking paints, blasting media (glass beads, glass powder, soft resin media) for surface finishing, filler glass beads (general-purpose, micro, hollow, conductive) for plastics, films and paints, and large glass beads for grinding, dispersion, and filtration. The company also sells the MX-7S portable retroreflectometer for road marking quality evaluation.

Product overview

Potters-Ballotini is Japan's leading manufacturer of glass beads, offering a comprehensive portfolio of specialized products across five main application categories: (1) Road marking glass beads including JIS Standard Beads, High Refraction Beads, and Biji Beads® for transportation safety with retroreflective properties; (2) Blasting media including glass beads, glass powder, and Pla Shot® resin media for metal finishing and surface treatment; (3) Filler glass beads including Spheriglass® general-purpose and micro beads, hollow glass spheres (Q-CEL®, Sphericel®), and ceramic hollow spheres for functional additive applications in plastics, films, and paints; (4) Conductive additives including silver-coated glass beads and CONDUCT-O-FIL® for electromagnetic shielding; and (5) Large grinding/dispersion beads for nanoparticle processing and filtration. The company also offers the MX-7S reflectance measuring instrument for road marking quality assessment. The products serve diverse industries including transportation, electronics, precision machinery, optics, construction, and automotive.

Differentiator

Problem solved

Functional benefit

Brands

• ビジビス® (Visibeads®): Large-diameter glass beads for road marking paint that provide high retroreflectivity even in rainy conditions due to their large exposed surface area on water films.
• プラショット® (Plashot®)
• MX-7S
• Spheriglass®
• Q-CEL®
• Sphericel®
• CONDUCT-O-FIL®
• Extendospheres®

Products and services

• JIS Standard Glass Beads (JIS規格ビーズ) JIS R 3301 compliant general-purpose glass beads for road marking paint, used extensively on roads throughout Japan with proven retroreflective properties.
• High Refraction Glass Beads (高屈折ビーズ) Glass beads with higher refractive index than standard JIS beads, providing effective retroreflection even during rainy conditions.
• Biji Beads® (ビジビーズ®/Vizibiz) Larger diameter glass beads for road marking that maintain high retroreflection during rainy conditions due to larger exposed surface area above water film. Registered trademark of Potters-Ballotini.
• MX-7S Retroreflectometer (MX-7S 反射輝度測定器) Portable optical measuring instrument designed to evaluate nighttime visibility of road markings (lane marks). Can measure retroreflective luminance day or night by placing directly on road markings.
• Blasting Glass Beads (ブラスティング用ガラスビーズ) Glass bead media for blasting applications with various particle sizes available. Features minimal cutting action, low equipment wear, and no surface contamination. Used for cleaning, peening, deburring, surface finishing, and pre-treatment for plating, adhesives, and painting.
• Glass Powder (ガラスパウダー) Glass powder media with higher cutting action than glass beads, utilizing angular glass fragments for efficient material removal. Suitable for cleaning, deburring, surface finishing, and scale removal on metal components.
• Plashot® (プラショット®) Soft Resin Media Soft resin media for electronic components and precision parts processing with high wear and impact resistance. Two material types (melamine, urea) with various particle sizes. Low equipment wear with antistatic treatment. Used for cleaning, deburring, and surface finishing.
• Spheriglass® General-purpose Glass Beads (汎用ガラスビーズ) Isotropic glass beads with excellent flowability and particle dispersion for use as plastic fillers. Provides dimensional stability, improved wear resistance, heat resistance, and viscosity adjustment. Also used in films for anti-blocking and UV blocking, and in paints for surface hardness and matte finishing. Registered trademark of Potters-Industries LLC.
• Spheriglass® Micro Glass Beads (マイクロガラスビーズ) High-functionality filler glass beads with fine, uniform particle diameter. Provides enhanced surface smoothness and precision molding properties. Used in paints for hardness and matte finishing, films for anti-blocking, and as gap materials and light diffusers. Registered trademark of Potters-Industries LLC.
• Q-CEL® Hollow Glass Sphere Series High-sphericity inorganic hollow glass spheres providing weight reduction, thermal insulation, and sound insulation to base materials. Available for adhesives, sealants, FRP and other applications. Registered trademark of Potters-Industries LLC.
• Sphericel® Hollow Glass Spheres High-performance borosilicate glass hollow spheres with excellent water resistance and strength. Non-soluble with high strength, ideal for dimensional stability of precision molded parts. Used in paints, adhesives, sealants, and plastics. Registered trademark of Potters-Industries LLC.
• Ceramic Multi Cellular Series Multi-functional ceramic balloons with high heat resistance up to 1000°C, featuring acid resistance and lightweight properties. Used in paints and building materials including wall materials and synthetic wood.
• Extendospheres® Hollow Sphere Series Aluminosilicate-based porous lightweight aggregate providing thermal insulation and sound insulation properties. Primarily used in housing equipment and building materials. Registered trademark of Sphere One, Inc.
• Silver-coated Glass Beads (シルバーコートガラスビーズ) Silver-coated glass beads produced using Potters' coating technology. Available in A-glass and E-glass types with resistivity of 10^-2 to 10^-3 Ω·cm. Provides weight reduction and cost savings compared to silver powder. Used in silicone rubber, plastics, inks, coatings, adhesives, and pastes for conductivity, static prevention, and electromagnetic wave shielding.
• CONDUCT-O-FIL® Conductive Additives Conductive filler product line with various core materials for conductivity, static prevention, and electromagnetic wave shielding applications. Registered trademark of Potters-Industries LLC.
• Large Glass Beads (大粒ガラスビーズ) Large glass beads for grinding, dispersion, and filtration applications. Capable of grinding particles in liquids to nanometer levels. Features high sphericity and uniform specific gravity for stable grinding/dispersion efficiency. Used as grinding media for pigments, inks, calcium carbonate, magnetic materials, phosphors; as filtration media for chemical fibers and waste liquid treatment; as anti-slip materials for flooring; and decorative applications.

Segments4 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Potters Industries LLCcoreChannel Partner/ Reseller/ DistributorParent company and global network partner. Potters-Ballotini is a member of the world's largest glass bead manufacturer Potters Industries LLC, which operates factories in 14 countries worldwide. Provides access to global network, technology licensing, and brand support.
• Toshiba Corporation (株式会社東芝)minorStrategic or Co-development PartnerOriginal joint venture partner from 1966-2001 when Potters Industries LLC acquired Toshiba's shares. Historical founding partner that established the company's Japanese operations.
• Japan Glass Beads Association (日本ガラスビース協会/JGA)minorOthersIndustry association member since 1973. Celebrated 50th anniversary of membership in 2023. Collaborates on industry standards and glass recycling initiatives.
• General Incorporated Association Glass Recycling Council (的一般社団法人ガラス再資源化協定会/GRCJ)minorOthersJoined in April 2024. Supports glass recycling and circular economy initiatives.

Scale indicators3 records

Recent moves10 records

Expansion highlights5 records

Emerging players

• Cospheric LLC: Cospheric is a US-based manufacturer of precision glass microspheres and hollow glass spheres for industrial, aerospace, and electronics applications. It overlaps directly with Potters-Ballotini's Q-CEL®/Sphericel® hollow-sphere and conductive-filler product lines in the functional-fillers market.
• Sino-Sciences Technical Materials Co., Ltd. Sino-Sciences is a Chinese glass microsphere and reflective materials manufacturer offering retroreflective glass beads and hollow glass spheres for road safety and industrial fillers. It is comparable as an emerging low-cost competitor in the same JIS-spec and industrial-filler categories.
• Mo-Sci Corporation: Mo-Sci is a US specialty glass company producing precision glass microspheres, bioactive glasses, and custom glass materials for medical, energy, and industrial uses. Comparable as a niche specialty-glass manufacturer competing in functional-filler and technical-glass segments where Potters-Ballotini's Spheriglass® and Sphericel® lines participate.

Direct peers

• Swarco AG: Swarco is a European leader in road marking systems, including glass beads for retroreflective road markings, traffic signage, and road safety equipment. It directly competes with Potters-Ballotini in the JIS-spec / EN-spec road-marking bead category and shares the same end customers (DOTs, road contractors).
• Potters Industries LLC: Potters Industries is the parent company and the world's largest glass bead manufacturer, operating 30+ factories across 14 countries. It is the most directly comparable peer because it shares the same glass-bead product lines (Spheriglass®, Q-CEL®, CONDUCT-O-FIL®, etc.) and serves the same end markets — road safety, industrial fillers, and conductive additives.

Broad incumbents

• Saint-Gobain S.A. Saint-Gobain is a global building materials and specialty glass producer with a presence in glass beads, abrasives, and performance fillers through its Surface Solutions and High-Performance Materials divisions. Comparable because of overlap in blasting media, fillers, and glass-based industrial additives.
• AGC Inc. (Asahi Glass): AGC is Japan's largest glass manufacturer, producing architectural, automotive, and specialty glass products. While not a glass-bead specialist, its specialty-glass division overlaps with hollow-glass-sphere and functional-filler categories, and it competes for the same Japanese industrial customers.
• Schott AG: Schott is a German specialty glass manufacturer producing technical glass, hollow glass microspheres, and functional glass materials. Comparable because its glass-microsphere and specialty-glass offerings overlap with Potters-Ballotini's hollow-sphere (Q-CEL®, Sphericel®) and conductive-filler lines.
• Nippon Sheet Glass Co., Ltd. Nippon Sheet Glass is a major Japanese and global glass manufacturer producing architectural, automotive, and technical glass. Although focused on flat and processed glass rather than micro-beads, it competes in adjacent specialty-glass categories and shares potential customers in industrial fillers and conductive materials.
• 3M (Transportation Safety Division): 3M offers retroreflective glass-bead-based road marking tapes and materials under its Traffic Safety and Security Division. While a much broader diversified industrial conglomerate, its road-safety product line competes head-on with Potters-Ballotini's road-marking beads in North American and global tenders.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Potters-Ballotini