"Pioneering the Future of Precision Surface Technology Through Innovation and Unwavering Commitment"
Since our founding in 1931, Mitsuya Co., Ltd. has grown from a small Tokyo metal-plating workshop into a trusted provider of high-precision, functional industrial plating solutions. Advanced plating technology is no longer just decorative; it is an indispensable foundation supporting modern industries—from automotive engine sensors and semiconductors to medical devices, optical electronics, and space satellite components.
Our corporate ethos is built on the founding principle: "Never turn down a challenging request." When clients face difficult material constraints, tight delivery deadlines, or unprecedented functional demands, Mitsuya approaches every problem with a "Let''s try it" spirit. Our goal is to remain the company that global industry partners turn to when they say, "If you''re in a bind, take it to Mitsuya."
Looking ahead, we remain dedicated to technical excellence, continuous employee development, sustainable manufacturing (SDGs), and expanding our surface treatment capabilities worldwide.
Nobuyori Kusama
Representative Director & CEO, Mitsuya Co., Ltd.
Most recent update:2026-08-03
・Mutual Respect & Collaboration: Recognizing each employee''s individuality, respecting one another, combining collective wisdom, and creating a supportive, positive work environment.
・Fundamental Courtesy: Cultivating open communication starting with daily greetings and active teamwork across all plant locations.
Management Principles & Commitments
・Customer-Centric Problem Solving: Accepting complex technical challenges that other companies decline and transforming difficulties into breakthroughs.
・Craftsmanship & Human Development: Nurturing skilled talent through structured career matrix programs and technical mentoring to pass down master craftsmanship ("Contemporary Master Craftsmen") to future generations.
・Sustainability & CSR (SDGs): Balancing technical innovation with environmental management—reducing CO₂ emissions, minimizing industrial waste through 3R practices, maintaining zero workplace accidents, and promoting diversity and inclusion.
Most recent update:2026-08-03
| 1931 (昭和6年) Founding: Established in Tokyo as a small precision metal plating shop. |
| 1959 (昭和34年) Incorporation: Formally established as Mitsuya Co., Ltd. (株式会社三ツ矢) to scale operations for major electrical and electronics manufacturers. |
| Expansion Era Production & R&D Network: Built key operating sites to serve growing industrial demands, expanding to include the Gotanda Plant and Hachioji Plant (1960) in Tokyo, Yonezawa Plant (1986) in Yamagata, Kofu Plant (1991) in Yamanashi, as well as a dedicated Technical Center and Setagaya Laboratory (2018). |
| 1994 Former President Eiichi Kusama awarded the Medal with Blue Ribbon (藍綬褒章) for contributions to the surface finishing industry. |
| 2003 Former President Eiichi Kusama awarded the Order of the Rising Sun, Silver Rays (双光旭日章). |
| 2005 Managing Director/Engineer Shigeo Ozawa selected as a Contemporary Master Craftsman (現代の名工). |
| 2008 Selected by the Ministry of Economy, Trade and Industry (METI) as one of the "300 Vibrant Manufacturing SMEs" (元気なモノ作り中小企業300社). |
| 2011 Received the Tokyo Governor''s Grand Prize for Excellence in Human Resources Development in Manufacturing. |
| 2018 Recognized by METI as a Regional Future Leading Enterprise (地域未来牽引企業). |
| 2020-Present Earned Health & Productivity Management certification ("Silver Certification") and expanded international operations across North America, Europe, and Asia. |
Most recent update:2026-08-03

Mitsuya Co., Ltd.
