Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
6 Patents
#651 in Osaka
#5,990 in Japan
Kuken Co., Ltd.
Forward Citations = 72
7 inventors:
Kuken Co., Ltd.
% Expired Patents = 66.7
EPO Patents = 2
Forward Citations = 72
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7 inventors (with patents filed for the assignee):
Akinori Nakamura (3 out of 3 patents)
Tatsuya Amami (2 out of 2 patents)
Masari Muramatsu (1 out of 4 patents)
4. Naotake Tanaka (1 out of 8 patents)
5. Masakazu Yamada (1 out of 1 patent)
6. Ryoichi Shibata (1 out of 1 patent)
7. Yoshihiko Nagare (1 out of 1 patent)
8. Nakamura Akinori (0 patent)
6 patents:
Company Overview
Kuken Co., Ltd. is a leading manufacturer of high-quality industrial tools and equipment. Established in 1980, the company offers a wide range of products including air tools, hydraulic tools, and pneumatic tools. With a commitment to innovation and excellence, Kuken Co., Ltd. has earned a reputation for delivering reliable and durable solutions for various industries worldwide.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kuken Co., Ltd.. Retrieved from https://idiyas.com/company/kuken-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]
2 patents (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]