% Expired Patents = 25.0

Forward Citations = 14

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2 inventors (with patents filed for the assignee):

Kazuo Ishii (3 out of 136 patents)

Hideo Kurose (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 6853537 - Electrolytic capacitor and a fuel cell drive car using the capacitor (2005-02-08),

2. 5675486 - Electric power circuit having means for suppressing generation of (1997-10-07),

3. 5057972 - Electrolytic capacitor (1991-10-15),

4. 4298848 - Feeding device for printed circuit board and feeding element (1981-11-03),

Company Overview

Jelmax Company, Ltd. is a leading provider of innovative solutions in the field of engineering and construction. With over 20 years of experience, we have established a reputation for delivering high-quality projects on time and within budget. Our team of experts is dedicated to providing exceptional service to our clients and exceeding their expectations. Visit our website to learn more about our services and past projects.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#3,053 in Tokyo

#7,573 in Japan

Tokyo, Japan

Jelmax Company, Ltd.

Forward Citations = 14

2 inventors:

Kazuo Ishii (3 out of 136 patents)

Hideo Kurose (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Jelmax Company, Ltd.. Retrieved from https://idiyas.com/company/jelmax-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]