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USPTO Data Jan 1 1976 - Oct 13 2026
3 Patents
#3,547 in Tokyo
#8,929 in Japan
Seiwa Giken Inc.
Forward Citations = 6
4 inventors:
Seiwa Giken Inc.
Forward Citations = 6
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4 inventors (with patents filed for the assignee):
Tomohiro Akiyama (3 out of 31 patents)
Takashi Tanaka (3 out of 36 patents)
Kenji Mori (1 out of 72 patents)
4. Junichi Kazama (1 out of 7 patents)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seiwa Giken Inc.. Retrieved from https://idiyas.com/company/seiwa-giken
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]
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]
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]