Company Badge
USPTO Data Jan 1 1976 - Nov 3 2026
6 Patents
#24 in Niigata
#5,988 in Japan
Shinwa Co., Ltd.
Forward Citations = 89
4 inventors:
Shinwa Co., Ltd.
Calculating rank
% Expired Patents = 33.3
Trademarks = 1
Forward Citations = 89
Loading Chart...
Loading Chart...
4 inventors (with patents filed for the assignee):
Kazunobu Yamamoto (4 out of 4 patents)
Yoshihisa Inoue (1 out of 19 patents)
Takeshi Izumitani (1 out of 3 patents)
4. Katsushi Kobayashi (1 out of 1 patent)
6 patents:
Company Overview
Shinwa Co., Ltd. is a leading manufacturer and distributor of high-quality precision tools and measuring instruments. With a strong commitment to innovation and excellence, Shinwa has been providing industry professionals with reliable and accurate products for over 50 years. Their extensive product line includes rulers, calipers, levels, and more, all designed to meet the demanding needs of professionals in various fields. Headquartered in Japan, Shinwa continues to expand its global presence and uphold its reputation for superior quality and customer service.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shinwa Co., Ltd.. Retrieved from https://idiyas.com/company/shinwa-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]
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]