Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
5 Patents
#234 in Kanagawa
#6,652 in Japan
Power Systems Co., Ltd.
Forward Citations = 42
14 inventors:
Power Systems Co., Ltd.
% Expired Patents = 80.0
EPO Patents = 1
Forward Citations = 42
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14 inventors (with patents filed for the assignee):
Atsushi Shimizu (3 out of 8 patents)
Michio Okamura (3 out of 31 patents)
Hitoshi Nakamura (2 out of 69 patents)
4. Hiroshi Tsuji (1 out of 12 patents)
5. Masahiko Shimizu (1 out of 24 patents)
6. Kotaro Kobayashi (1 out of 11 patents)
7. Shinichi Yamamoto (1 out of 19 patents)
8. Keiichi Hayashi (1 out of 17 patents)
9. Masaaki Shimizu (1 out of 18 patents)
10. Katsuji Mitsui (1 out of 1 patent)
11. Masaaki Yamagishi (1 out of 6 patents)
12. Masahiko Shinotsuka (1 out of 1 patent)
13. Hidetoshi Ohta (1 out of 1 patent)
14. Takashi Tanikawa (1 out of 1 patent)
15. Junji Ito (0 patent)
5 patents:
1. 7705567 - Capacitor power source and charging/discharging control apparatus therefor (2010-04-27),
Company Overview
Power Systems Co., Ltd. is a leading provider of innovative power solutions for a wide range of industries. With a strong focus on research and development, we offer cutting-edge technologies that ensure reliable and efficient power systems. Our team of experts is dedicated to delivering high-quality products and services that meet the unique needs of our clients. Contact us today to learn more about how Power Systems Co., Ltd. can help you power your business.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Power Systems Co., Ltd.. Retrieved from https://idiyas.com/company/power-systems-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]