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USPTO Data Jan 1 1976 - Nov 3 2026
1 Patents
#2 in Sorachi-gun
#15,774 in Japan
Hokkaido Sumiden Precision Industries, Ltd.
Forward Citations = 9
3 inventors:
Hokkaido Sumiden Precision Industries, Ltd.
Calculating rank
Forward Citations = 9
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3 inventors (with patents filed for the assignee):
Nobuyuki Kitagawa (1 out of 18 patents)
Kazutaka Isobe (1 out of 9 patents)
Isao Yamazaki (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hokkaido Sumiden Precision Industries, Ltd.. Retrieved from https://idiyas.com/company/hokkaido-sumiden-precision-industries
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]