Yamayo Measuring Tools

What Yamayo Measuring Tools does

Yamayo Measuring Tools Co., Ltd. (ヤマヨ測定機株式会社) is a privately held Japanese manufacturer of precision length measuring instruments, founded on November 15, 1906 and headquartered in Adachi, Tokyo. The company employs 50 full-time employees and operates three regional sales offices (Tokyo/Adachi, Nagoya, Osaka) plus a manufacturing facility in Shirakawa. Its product portfolio spans steel measuring tapes (Stylon, Silver Seven, White Seven), fiberglass-core measuring tapes (Million series), wide-format Ribbon Rod documentation tapes, convex rules (Fine, O-Stop), straight rulers, surveying equipment (staffs, rods, levels, total stations), portable surveying calculators (Sokuriyo-kun 5800 series based on CASIO fx-5800P), spring and desktop scales, and digital measuring products (Million Digital Straight N5 and Round with optical sensors and Bluetooth). All core tape and ruler products meet JIS Class 1 precision tolerances under JIS B 7512 (steel), JIS B 7522 (fiberglass), and JIS B 7516 (straight rulers), and the company operates a JIS-certified factory.

The underlying technology rests on mechanical precision, materials science, and standards compliance rather than digital or AI-based capabilities. Notable technical assets include proprietary correction calculation methods for temperature (Ct=Lα(T-20)), tension, and sag effects on steel tape measurements, a detailed product material specifications database (cross-sectional area, Young's modulus, thermal expansion coefficients), and the optical-sensor-based Million Digital Series with Bluetooth wireless data transmission. Yamayo also issues paid calibration certificates, traceability system diagrams, and JIS certification documents supporting ISO 9000 series compliance for quality-conscious customers.

Revenue is generated almost entirely through hardware sales, distributed across direct sales offices, an e-commerce storefront at yamayo.jp, and an authorized dealer network in Japan — there is no disclosed international presence, third-party marketplace distribution, or subscription/recurring revenue model. The customer base spans four use-case segments: civil engineering and construction (primary), electrical and railway, sports and leisure, and health/body measurement. Pricing is primarily open/unlisted, with published unit pricing only on select specialty products (e.g., ST-series spring scales from ¥3,200–¥52,200, the SP100 sports tape at ¥24,800, the Sokuriyo-kun 5800X2 at ¥39,800, and the Ranger 3000 desktop scale from ¥80,200). The company has no public external investment, no subsidiaries, no M&A history, and operates as a closely-held family-managed corporation under President and Representative Director Kamishita Hirohiko (鴨下 裕彦).

Name

Yamayo Measuring Tools

Legal name

Yamayo Measuring Tools Co., Ltd. (ヤマヨ測定機株式会社)

Website

https://yamayo.co.jp

Company type

Private

Founded year

1906

Operating status

Operating

Headcount range

11–50 employees

Short description

Yamayo Measuring Tools Co., Ltd. is a privately held Japanese manufacturer of precision length measuring instruments, founded in 1906. The company produces JIS Class 1 certified steel and fiberglass measuring tapes, digital measuring devices with Bluetooth, rulers, and surveying tools for civil engineering, construction, electrical, and related professional segments in Japan.

Ownership category

akta.pro rank

Product category

Precision Measuring Instruments

NAICS

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513), Other Measuring and Controlling Device Manufacturing (334519)

SIC

Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Test & Measurement Equipment (Oscilloscopes, DAQ, signal analyzers, calibration benches) (IMAGAFAC)

Keywords

• Precision measuring instruments
• Steel measuring tapes
• Fiberglass measuring tapes
• Digital measuring tools
• Surveying equipment

Headquarters

HQ city

Kita

HQ country

Japan

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Measuring Instruments Manufacturing and Sales: Yamayo designs, manufactures, and sells precision measuring instruments including steel tapes, fiberglass tapes, digital tapes, convex rules, straight rulers, surveying tools, and scales. Revenue is generated through direct sales at company offices, the yamayo.jp online shop, and a network of authorized dealers across Japan.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Yamayo designs, manufactures, and sells precision length measuring instruments in Japan, including steel and fiberglass measuring tapes, JIS Class 1 certified straight rulers and convex rules, surveying tools (staffs, rods, levels, wheel measures), portable surveying calculators, digital measuring tapes with optical sensors and Bluetooth, scales (spring and desktop), and specialty sports/fishing measurement products. The company also provides paid calibration, traceability documentation, and JIS/ISO 9000 certificate issuance services to support quality management in professional construction, civil engineering, and surveying applications.

Product overview

Yamayo Measuring Tools is a precision measuring instruments manufacturer with a 110+ year history (founded 1906). The company produces a comprehensive portfolio of measuring tools organized into product lines: (1) Steel Measuring Tapes including Stylon (nylon-coated), Silver Seven, White Seven, and related products; (2) Fiberglass Measuring Tapes including the Million series; (3) Ribbon Rod wide-format documentation tapes; (4) Convex Rules including Fine and O-Stop series; (5) Straight Rules and rulers; (6) Surveying equipment including staffs, rods, pins, marking tools, wheel measures, levels, and total stations; (7) Portable surveying calculators (Sokuriyo-kun series); (8) Digital measuring products (Million Digital Straight and Round); (9) Scales including spring scales and electronic desktop scales; (10) Sports measuring products; and (11) Specialty chemical products (Aqua 9 cutting oil preservative). The company operates JIS-certified manufacturing and offers calibration certificates and traceability documentation.

Differentiator

Problem solved

Functional benefit

Brands

• Stilon (スチロン): Nylon-coated steel measuring tape product line
• Silver Seven (シルバーセブン)
• White Seven (ホワイトセブン)
• Million (ミリオン)
• Ribbon Rod (リボンロッド)
• Million Digital (ミリオンデジタル)
• Soku Riyo Kun (即利用くん)

Products and services

• Stylon (スチロン) - Nylon-coated Steel Measuring Tape

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Four partnerships are on record, tiered minor and core.

• JQA (Japan Quality Assurance)minorOthersYamayo is affiliated with JQA, a Japanese quality assurance organization that provides product certification and testing services relevant to measuring instrument quality standards.
• JIS (Japanese Industrial Standards / 日本産業規格)coreOthersYamayo's products are certified to JIS standards (JIS B 7512, B 7516, B 7522). The company operates a JIS-certified factory and issues JIS-related certificates as part of its calibration services.
• Keikoren (Japan Measuring Instruments Industry Association / 計工連)minorOthersYamayo is a member of the Japan Measuring Instruments Industry Association (Keikoren), the trade organization for Japanese measuring instruments manufacturers.
• Shikoku Dokuki (四国度器)minorOthersShikoku Dokuki is a limited company dealing in measuring instruments, listed as a linked partner on Yamayo's website, suggesting a dealer/reseller relationship.

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Komelon Corporation: Korea-based global manufacturer of measuring tapes (steel, fiberglass, magnetic) — the most direct international competitor to Yamayo's Stylon, Silver Seven, and Million lines on product format and channel.
• Shinwa Rules Co., Ltd. Japanese manufacturer of metal rulers, measuring rules, and length-measurement tools — competes head-to-head with Yamayo's straight-rule and length-measurement product lines in construction and surveying channels.
• TJM Corporation: Japanese maker of Tajima-branded steel and fiberglass measuring tapes, levels, and precision hand tools — the most direct domestic head-to-head in Japan's professional tape-and-rule category where Yamayo competes.

Broad incumbents

• Topcon Corporation: Japanese global surveying and positioning-equipment maker (total stations, GNSS, laser tools) — overlaps with Yamayo's surveying-tools category and represents an adjacent precision-measurement incumbent in the same domestic market.
• Apex Tool Group: Multi-brand industrial hand-tools owner of Lufkin, Crescent, and Wiss — competes with Yamayo's core steel-measuring-tape category via Lufkin and other brands, with broader industrial distribution in Japan.
• Mitutoyo Corporation: Japan-headquartered global leader in precision measurement (calipers, micrometers, CMMs) — addresses an adjacent precision-measurement space in Japan with much greater scale, brand, and R&D intensity than Yamayo.
• Stanley Black & Decker: Global hand-tool and measuring-tools incumbent with Stanley and Lufkin branded tapes, levels, and laser measures — direct product overlap with Yamayo via Lufkin but with a vastly broader portfolio and global reach.
• Robert Bosch (Power Tools / Measuring Tools): Global power-tools major whose measuring-tools portfolio (GLM laser measures, tapes, levels) directly overlaps with Yamayo's product set and leads the laser-measurement category Yamayo does not yet address at scale.
• Hilti Corporation: Construction-tools and measurement-systems major with laser distance meters and layout tools aimed at Japanese contractors — an adjacent incumbent selling into the same end-user environment where Yamayo's tapes compete.

Emerging players

• Stabila: Specialized German maker of levels, laser distance meters, and measuring tools — competes in an adjacent premium-measurement niche with category innovation (LD-series lasers) directly relevant to Yamayo's roadmapping decisions.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance10 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 Yamayo Measuring Tools