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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#6,102 in Tokyo
#15,759 in Japan
Sumation Co., Ltd.
Forward Citations = 18
8 inventors:
Sumation Co., Ltd.
% Expired Patents = 100.0
EPO Patents = 1
Forward Citations = 18
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8 inventors (with patents filed for the assignee):
Yongchao Liang (1 out of 47 patents)
Farshad J Motamedi (1 out of 16 patents)
Satoyuki Nomura (1 out of 20 patents)
4. Yoshii Morishita (1 out of 36 patents)
5. Matthew L Marrocco (1 out of 8 patents)
6. Yoshihiro Tsuda (1 out of 6 patents)
7. Li-Sheng Wang (1 out of 5 patents)
8. Seiji Tai (1 out of 41 patents)
9. Carl R Towns (43 patents)
10. Ilaria Grizzi (21 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumation Co., Ltd.. Retrieved from https://idiyas.com/company/sumation-company
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]