Seiko Precision Inc., based in Chiba, Japan, specializes in the development and manufacturing of advanced optical devices. The company focuses on a range of core technologies including focal plane shutters, blade drive devices, and various optical instruments. Its expertise extends to imaging apparatuses and diaphragm devices, as well as x-ray processing and actuators. Seiko Precision is committed to innovation in the optical field, contributing to various applications that enhance imaging and precision in multiple industries.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

254 Patents

#4 in Chiba

#603 in Japan

#3,443 in the World

Chiba, Japan

Seiko Precision Inc.

Forward Citations = 835

160 inventors:

Hiroshi Takahashi (34 out of 71 patents)

Yoichi Nakano (29 out of 31 patents)

Seiichi Oishi (27 out of 27 patents)

4. Hisashi Kawamoto (24 out of 26 patents)

5. Shoichi Tokura (19 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seiko Precision Inc.. Retrieved from https://idiyas.com/company/seiko-precision

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]