Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
17 Patents
#12 in Toyama 939-0643
#3,230 in Japan
#35,948 in the World
Cosel Co., Ltd.
Forward Citations = 78
24 inventors:
Cosel Co., Ltd.
Calculating rank
% Expired Patents = 5.9
EPO Patents = 1
Trademarks = 3
Forward Citations = 78
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24 inventors (with patents filed for the assignee):
Kuniaki Nagahara (7 out of 7 patents)
Masaharu Maesaka (4 out of 4 patents)
Toshio Watanabe (4 out of 4 patents)
4. Toshihisa Miura (3 out of 26 patents)
5. Yuji Hirose (3 out of 3 patents)
6. Kazuhiro Horii (3 out of 3 patents)
7. Katsuhiro Koizumi (3 out of 3 patents)
8. Tatsuya Mano (3 out of 3 patents)
9. Takeshi Usuda (2 out of 2 patents)
10. Yoshiki Matsuo (2 out of 2 patents)
11. Mitsuo Nakada (2 out of 2 patents)
12. Tetsuo Sugimoria (2 out of 2 patents)
13. Takahiro Yoneda (2 out of 2 patents)
14. Yuichi Uozu (2 out of 2 patents)
15. Nobuto Kawataka (1 out of 1 patent)
17 patents:
Company Overview
Cosel Co., Ltd. is a prominent manufacturer specializing in power supply solutions, including AC-DC converters and DC-DC converters. The company is recognized for its commitment to quality and innovation, serving various industries such as industrial automation, medical equipment, and telecommunications. With a strong focus on research and development, Cosel aims to provide reliable and efficient power solutions that meet the evolving needs of its global clientele, particularly in the Asian market.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cosel Co., Ltd.. Retrieved from https://idiyas.com/company/cosel-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]