Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
3 Patents
#20 in Yamagata
#8,932 in Japan
Happyjapan, Inc.
Forward Citations = 5
8 inventors:
Happyjapan, Inc.
EPO Patents = 1
Forward Citations = 5
Loading Chart...
Loading Chart...
8 inventors (with patents filed for the assignee):
Shouhei Matsumoto (3 out of 3 patents)
Masayoshi Yokoo (3 out of 11 patents)
Keitaro Harada (3 out of 10 patents)
4. Yoshinori Arai (2 out of 2 patents)
5. Mitsuo Koizumi (2 out of 2 patents)
6. Satoshi Ueno (2 out of 3 patents)
7. Shinichi Hasebe (1 out of 1 patent)
8. Fumiaki Togashi (1 out of 1 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Happyjapan, Inc.. Retrieved from https://idiyas.com/company/happyjapan
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]
1 patent (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]