We will continue to challenge the unknown world with our original technology, which is based on ultra-fine processing technology.

We are benefiting from technology in various fields and are able to lead advantaged life.
Not only does the speed of technology development never stagnate, technology development requires high precision, the speed of development is entering an era in which is accelerating
Since its founding, Optnics Precision has taken on the challenge of original technology development with ultra-fine processing technology as the core of our technology.
We are proud that our technology has been recognized in various fields and that we have been able to contribute to society.
Optnics Precision will continue to contribute to the development of society by raising all efforts to develop more breakthrough and original new technologies

Representative Director Seichin Kinuta
Corporate Philosophy
  • 1. Contribute to society by creating new value
  • 2. Make a business by creating each person and collaborating with everyone
Action Philosophy
  • 1. Aim to be a global company with unique technologies and world-class products
  • 2. trive to make good products and provide good customer service with originality, passion and sincerity
Quality policy
  • 1. Providing products that our customers trust by uniting the entire company
  • 2. Due to the above, apply the requirements and improve (maintain) the effectiveness of the quality management system
  • 3. Set quality goals and work with the entire company to achieve the quality policyむ


Company profile Optnics Precision Co., Ltd.
Business content Planning, development, manufacturing and sales of ultra-precision and ultra-fine products
Representative Director (president) Seichin Kinuta
Established on April 1986
Capital 10 million yen
Employees Approximately 35
【Headquarters and factory】
26, Fujimicho, Ashikaga, Tochigi, 326-0037, Japan
TEL.0284-43-3611 FAX.0284-43-0707
【Research Institute】
1841 Fukutomi, Ashikaga, Tochigi, 326-0331, Japan
TEL.0284-72-6421 FAX.0284-73-0676
【Planning division】
215-16, Tanaka, Ashikaga, Tochigi, 326-0822, Japan
TEL.0284-71-5422 FAX.0284-73-7227


1986 Established Optnics Precision Co., Ltd.
1994 Award of development Special Metal Mesh Technology by Ashikaga Regional Industry Promotion Project
1996 Completion of new office building and relocation head office and factory Certified company by Tochigi Prefecture SME Creation Activity Promotion Law
1998 Adopted by NEDO for micro molds
1999 Joint research agreement with the Institute of Particle and Nuclear Studies, Karlsruhe, Germany.
2002 "Micro mold by LIGA process" received the Mitsui Precision Technology Award from the Japan Society for Plastic Processing
"Invention of battery safety valve" received the Small and Medium Enterprise Agency Commissioner's Award by the Japan Institute of Innovation
2003 Certified as a frontier company by "manufacturing super mesh for nebulizer"
2006 Selected as "300 small and medium-sized manufacturing companies" by the Ministry of Economy, Trade and Industry (METI)
Obtained ISO9001 certification
2007 Received the Industrial Economy Contribution Award from the Tochigi Prefectural Industrial Council
2008 Completion of expansion of head office factory
2009 Started joint research with Tohoku University on "Development of property test system for high-strength electroformed materials"
Started joint research with Ritsumeikan University on "advancement of X-ray lithography mask"
Started joint research with Hyogo Prefectural University on "advancement of LIGA process"
2012 Started development and sales of the world's first gold coffee filter "Golden Cafe Filter"
2013 Adopted for the Research Results Optimal Deployment Support Program (A-STEP) regarding the development of "aerosol inhalation drug administration device" with Tokyo University of Science
Adopted by the Strategic Fundamental Technology Advancement Support Project (METI) regarding "development of high-precision filters"
2015 Received the Excellence Award in the "Manufacturing Category" of the Tochigi Industrial Vitality Awards
2016 Received the Invention Association Chairman's Encouragement Award from the Invention Association for the world's first "Golden Cafe Filter"
Completion of secondary expansion at the head office factory
2018 Developed "Circulating Tumor Cell (CTC) Filter Device and Its Automatic Device" in collaboration with Aichi Cancer Center
Selected as a regional future leader by the Regional Economy, Trade and Industry Group of METI
Adopted for advanced manufacturing industry research and development support project regarding "efficiency of inspection / guarantee system for absolute dimension filter"
Started joint research with University of Tsukuba on "Liquid Diagnostic System"
2019 Received the Commissioner of the Patent Office Encouragement Award from the Japan Institute of Invention and Innovation for " Circulating Tumor Cell (CTC) Filter and Peripheral Device"
Adopted as a support project for product development of strategic industry leading companies regarding "advancement of chemical spray devices"
2021 Adopted as a support project for product development of strategic industry leading companies regarding "Medical Chip Molding Mold"


Headquarters and factory

26, Fujimicho, Ashikaga, Tochigi, 326-0037, Japan
TEL.0284-43-3611 FAX.0284-43-0707

  • Access: About 10〜15 minutes by car from Ashikagashi Station Tobu Isesaki Line
  • About 5〜10 minutes by car from JR Ashikaga Station

Research Institute

1841 Fukutomi, Ashikaga, Tochigi, 326-0331,
TEL.0284-72-6421 FAX.0284-73-0676