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USPTO Data Jan 1 1976 - Oct 6 2026
1 Patents
#6,086 in Tokyo
#15,732 in Japan
Kanji Otsuka
Forward Citations = 1
2 inventors:
Kanji Otsuka
CIPO Patents = 1
Forward Citations = 1
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2 inventors (with patents filed for the assignee):
Yutaka Akiyama (1 out of 40 patents)
Kanji Otsuka (1 out of 37 patents)
Kazuji Yamada (45 patents)
4. Tadahiko Miyoshi (40 patents)
5. Akira Tanaka (0 patent)
6. Kanji Otsuka (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kanji Otsuka. Retrieved from https://idiyas.com/company/kanji-otsuka
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]
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]