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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#6 in Okaya
#15,759 in Japan
Yamani Spring Co., Ltd.
Forward Citations = 2
4 inventors:
Yamani Spring Co., Ltd.
% Expired Patents = 100.0
EPO Patents = 1
Forward Citations = 2
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4 inventors (with patents filed for the assignee):
Yuji Noguchi (1 out of 46 patents)
Kazunari Adachi (1 out of 24 patents)
Atsushi Homma (1 out of 7 patents)
4. Satoshi Nishizawa (1 out of 1 patent)
5. Noguchi Yuji (0 patent)
6. Adachi Kazunari (0 patent)
7. Homma Atsushi (0 patent)
8. Nishizawa Satoshi (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yamani Spring Co., Ltd.. Retrieved from https://idiyas.com/company/yamani-spring-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]