What Taisei Kako Co., Ltd. does

Taisei Kako Co., Ltd. (大成化工株式会社) is a privately held Japanese manufacturer founded in 1950, headquartered in Ibaraki City, Osaka Prefecture. The company designs, develops, and produces packaging containers and medical devices across four primary verticals: pharmaceutical containers (PTP sheets, aluminum tubes, drop bottles, spray containers, jars), medical devices (ClearJect® and VF-Syringe pre-filled syringes compliant with ISO 11040-4), gynecological self-sampling devices (Cellsoft® and Kato-style for cervical cancer screening), and cosmetic and health food containers. Its core technological capabilities span clean-room container manufacturing, injection molding, barrier coating, and integrated sterilization services across four modalities — Electron Beam, Gamma Ray, Vaporized Hydrogen Peroxide (VHP), and Ethylene Oxide Gas (EOG) — with the company explicitly declining sterilization-only contracts to keep the service integrated with its container production.

The company operates eight factories across Japan (Minoh, Toyokawa, Gifu, Tajiri, Osaka, Hadano, Akiyoshi, Nose) and runs a group structure that includes Taisei Medical Co., Ltd. as a dedicated distribution subsidiary for the Cellsoft product line. Its facilities hold ISO 9001, ISO 15378 (pharmaceutical primary packaging GMP), ISO 13485 (medical devices), and ISO 14001 (environmental management) certifications, audited by SGS Japan. It markets a sustainability-oriented product line including biomass plastic containers made from sugarcane-derived PE and bamboo, plus the i-Tube® mono-material polyethylene tube with high gas barrier coating for fully recyclable cosmetic packaging. The Kato-style self-sampling device has been deployed internationally in Southeast Asia, indicating nascent cross-border distribution beyond the domestic Japanese market.

Taisei Kako operates a B2B direct sales model targeting pharmaceutical manufacturers, cosmetics companies, and medical device manufacturers, with dedicated inquiry phone lines for product versus general inquiries. Revenue is generated through hardware sales of packaging containers and medical devices, supplemented by professional-services revenue from integrated sterilization tied to its own container production. Pricing is quote-based and not publicly disclosed. The company is led by President and Representative Director Yasuyuki Shiraishi (白石 保行). No external investment, parent company, or public listing has been disclosed in the available sources.

Name

Taisei Kako Co., Ltd.

Legal name

大成化工株式会社

Website

https://taisei-g.co.jp

Company type

Private

Founded year

1950

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Taisei Kako Co., Ltd. is a privately held Japanese manufacturer founded in 1950 that produces pharmaceutical packaging containers, pre-filled syringes, gynecological self-sampling devices, cosmetic and health food containers, and integrated sterilization services for B2B enterprise customers across Japan.

Ownership category

akta.pro rank

Product category

Pharmaceutical Packaging

NAICS

Medical Equipment and Supplies Manufacturing (3391), Surgical Appliance and Supplies Manufacturing (339113)

SIC

Surgical & Medical Instruments & Apparatus (3841), Glass Containers (3221), Perfumes, Cosmetics & Other Toilet Preparations (2844)

akta.pro primary industry

Sterile & Aseptic Medical Packaging (Pouches, Wraps, Sterile Barriers) (IMALAIAB)

akta.pro secondary industries

Blow-Molded Medical & Laboratory Containers (IMANAGAI), Diagnostic & Laboratory Packaging (Specimen Containers, Transport Tubes) (IMALAIAF)

Keywords

• Pharmaceutical packaging containers
• Pre-filled syringes
• Medical device manufacturing
• Sterilization services
• Cosmetics containers

Headquarters

HQ city

Ibaraki

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Pharmaceutical Container Sales: Manufacturing and selling pharmaceutical packaging containers including PTP sheets, aluminum tubes, drop bottles, jars, spray containers, and specialized pharmaceutical containers.
2. Medical Device Sales: Sales of medical devices including pre-filled syringes (VF-Syringe, ClearJect), self-sampling kits for gynecological use, and other medical device containers.
3. Cosmetic Container Sales: Manufacturing and selling cosmetic containers including plastic tubes with digital printing, spray containers, and liquid containers.
4. Sterilization Services: Contract sterilization services for pharmaceutical and cosmetic containers using four sterilization methods. Note: sterilization-only contracting is declined.
5. Biomass Plastic Containers: Environmentally conscious packaging containers made from biomass materials including sugarcane-derived PE, bamboo containers, and other sustainable materials.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

Taisei Kako Co., Ltd. manufactures and sells pharmaceutical, medical device, health food, and cosmetics packaging containers, including pre-filled syringes (VF-Syringe, ClearJect), gynecological self-sampling kits (Cellsoft, Kato), plastic tubes (i-Tube), and biomass plastic containers. The company also provides contract sterilization services using four methods (Electron Beam, Gamma Ray, VHP, EOG) and operates an integrated clean-room manufacturing platform spanning development, production, and sterilization.

Product overview

Taisei Kako Co., Ltd. is a comprehensive packaging and medical device manufacturer offering a diverse portfolio of products organized into pharmaceutical containers, medical devices, gynecological self-sampling kits, health food containers, cosmetics containers, biomass plastic containers, pharmaceutical manufacturing services, and sterilization services. The core offerings include ClearJect® and VF-Syringe prefillable syringes for medical applications, Cellsoft® and Kato self-sampling devices for cervical cancer screening, i-Tube® innovative monomaterial plastic tubes for cosmetics, and various pharmaceutical packaging solutions. The company provides integrated manufacturing including sterilization services, serving pharmaceutical, cosmetics, and medical device industries.

Differentiator

Problem solved

Functional benefit

Brands

• Cellsoft: Gynecological self-sampling device for cervical cancer screening, STI testing, and vaginal flora analysis
• Kato-style Self-Collection Device
• VF-Syringe
• ClearJect
• i-Tube

Products and services

• Pharmaceutical Containers (医薬品容器) High-quality pharmaceutical packaging containers for drug storage and delivery, including PTP sheets, aluminum tubes, spray containers, eyedrop bottles, jars, and drop bottles. Designed for solid, liquid, ophthalmic, and topical drug formulations requiring clean and contamination-controlled packaging.
• VF-Syringe (VFガラスプレフィルドシリンジ) Glass pre-fillable syringes for pharmaceutical injection preparations, available in Standard type, double-ended needle type, and needle-attached types with capacities from 1.0mL to 2.25mL, meeting ISO 11040-4 standards. Made with neutral borosilicate glass for superior drug protection.
• ClearJect Pre-filled Syringes High-quality pre-filled syringes for pharmaceutical injection preparations featuring neutral borosilicate glass for superior drug protection. Part of the medical device product line with registered trademark.
• Cellsoft Self-Sampling Device (セルソフト) Gynecological self-sampling device using a gentle sponge material for cervical cancer screening, sexually transmitted infection (STD) testing, and vaginal flora analysis. Features biomass plastic construction for environmental consciousness and enables home-based self-collection.
• Kato-style Self-Sampling Device (加藤式自己擦過器具) Self-sampling device for cervical cancer screening with a soft sponge sampling part, developed over 40 years, enabling home-based self-collection. Used domestically in Japan and internationally in Southeast Asia.
• i-Tube Mono-material Plastic Tube Single-layer polyethylene tube with high gas barrier properties achieved through specialized thin-film coating. Injection molding enables polygon shapes and digital printing. Fully recyclable mono-material design for environmental sustainability.
• Health Food Containers (健康食品用容器) Packaging containers specifically designed for health food and supplement products, leveraging pharmaceutical-grade manufacturing expertise.
• Cosmetics Containers (化粧品容器) Cosmetics packaging containers including liquid containers, spray containers, and plastic tubes with various designs and functionalities.
• Cosmetic Spray Containers Spray containers for cosmetics using pumps from the Aptar Group, including fragrance and personal care types with various spray volumes.
• Biomass Plastic Containers (バイオマスプラスチック容器) Eco-friendly packaging containers made from biomass materials including sugarcane-derived polyethylene (PE), bamboo containers, and biodegradable plastics for environmentally conscious packaging applications.
• Sterilization Services (滅菌サービス) Contract sterilization services using four methods: Electron Beam Sterilization, Gamma Ray Sterilization, Vaporized Hydrogen Peroxide (VHP) Sterilization, and Ethylene Oxide Gas (EOG) Sterilization, tailored to different materials and product requirements for pharmaceutical and cosmetic containers. Note: sterilization-only contracting is declined.

Named customers3 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• Taisei Medical Co., Ltd.coreChannel Partner/ Reseller/ DistributorSubsidiary company responsible for sales and customer inquiries related to the Cellsoft self-sampling gynecological kit. Handles product inquiries through dedicated phone line (072-640-2125).

Scale indicators2 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Nipro Corporation: Japanese diversified medical device and pharmaceutical packaging company producing glass tubing, pre-filled syringes, and medical devices. Directly comparable to Taisei Kako in pre-filled syringes, glass containers, and pharma packaging.
• West Pharmaceutical Services: Global leader in elastomeric closures, prefilled syringe components, and injectable drug delivery. Comparable to Taisei Kako in pre-filled syringe systems and pharmaceutical packaging components.
• Schott AG (Schott Pharma): German specialty glass company producing pharma glass packaging, syringes, vials, and ampoules. A direct competitor in glass pre-fillable syringes and pharmaceutical primary packaging.
• Gerresheimer AG: Global manufacturer of glass and plastic primary packaging for pharma and cosmetics, including prefillable syringes, vials, and ampoules. Competes directly with Taisei Kako's VF-Syringe and ClearJect lines.
• Stevanato Group: Italian manufacturer of glass primary packaging and drug delivery systems including prefillable syringes. Direct competitor in glass prefillable syringes and pharmaceutical containers.

Others

• AptarGroup: Global supplier of pump and spray dispensing systems for cosmetics and pharma. Taisei Kako uses Aptar pumps in its cosmetic spray containers, making Aptar a supplier/adjacent player in the cosmetic packaging value chain.

Broad incumbents

• Becton, Dickinson and Company (BD): Global medical technology company with a large pharmaceutical systems segment offering pre-filled syringes, safety devices, and drug delivery. Major global incumbent overlapping with Taisei Kako's pre-filled syringe business.
• Terumo Corporation: Japanese medical device maker with significant pharma and medical device operations including syringes and injection systems. Comparable Japanese incumbent in pharmaceutical and medical device packaging/delivery.

Regional players

• TOPPAN Holdings: Japanese packaging conglomerate with pharmaceutical and cosmetic packaging operations. Comparable Japanese regional peer in packaging for healthcare and beauty end markets.
• Dai Nippon Printing (DNP): Major Japanese printing and packaging company with pharmaceutical packaging and decorative cosmetics containers. Comparable Japanese regional peer across pharma and cosmetic packaging.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/taisei-kako-co-ltd-

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Taisei Kako Co., Ltd.