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USPTO Data Jan 1 1976 - Oct 20 2026
12 Patents
#18 in Toyota
#3,936 in Japan
#48,209 in the World
O-Oka Corporation
Forward Citations = 23
8 inventors:
O-Oka Corporation
% Expired Patents = 41.7
CIPO Patents = 1
EPO Patents = 6
Trademarks = 2
Forward Citations = 23
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8 inventors (with patents filed for the assignee):
Junichi Ooka (5 out of 5 patents)
Mitsuhiko Shimomura (5 out of 5 patents)
Mitsushige O-oka (2 out of 2 patents)
4. Yoshiki Kawasaki (2 out of 2 patents)
5. Tomoyoshi Okada (2 out of 2 patents)
6. Makoto Kimura (1 out of 11 patents)
7. Mitsushige Ooka (1 out of 1 patent)
8. Shinya Yamazaki (1 out of 1 patent)
9. Hiroshi Tsujimoto (28 patents)
10. Tetsuya Hoguchi (2 patents)
11. Mitsushige O-Oka (0 patent)
12. Junichi c/o O-Oka Corporation Ooka (0 patent)
13. Mitsuhiko c/o O-Oka Corporation Shimomura (0 patent)
14. Mitsushige O-Oka (0 patent)
15. Mitsushige O-Oka (0 patent)
12 patents:
5. 7437967 - Gear having window holes, and method and apparatus for manufacturing the same (2008-10-21),
Company Overview
O-Oka Corporation, based in Toyota, Japan, specializes in the development and manufacturing of advanced automotive components and systems. The company is known for its innovative approaches in automotive engineering, focusing on enhancing vehicle performance and safety. With a commitment to research and development, O-Oka Corporation explores cutting-edge technologies that contribute to the evolution of the automotive industry, positioning itself as a key player in the global market for automotive solutions.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: O-Oka Corporation. Retrieved from https://idiyas.com/company/o-oka
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 (CIPO):
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]
6 patents (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]