Takami Hasegawa (1 out of 7 patents)
Choji Umemoto (1 out of 4 patents)
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USPTO Data Jan 1 1976 - Oct 6 2026
1 Patents
#242 in Yokohama
#15,732 in Japan
Protec Japan Corporation
Forward Citations = 14
2 inventors:
Protec Japan Corporation
Forward Citations = 14
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Protec Japan Corporation. Retrieved from https://idiyas.com/company/protec-japan
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]