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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#1 in Chiba, undefined
#2,919 in
#136,844 in US
Chisei Ra
Forward Citations = 74
4 inventors:
Chiba, United States of America
Chisei Ra
Forward Citations = 74
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4 inventors (with patents filed for the assignee):
Ko Okumura (1 out of 13 patents)
Chisei Ra (1 out of 2 patents)
Minoru Hirama (1 out of 2 patents)
4. Koji Naito (1 out of 2 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chisei Ra. Retrieved from https://idiyas.com/company/chisei-ra
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]