% Expired Patents = 28.6

Forward Citations = 12

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3 inventors (with patents filed for the assignee):

Kenichi Harakawa (5 out of 9 patents)

Per Olov Risman (2 out of 5 patents)

Yuuji Oshi (2 out of 2 patents)

7 patents: Sort by Forward Citations

1. 11289947 - Electric power transmission system, and manufacturing method for electric power transmission system (2022-03-29),

2. 10348129 - Electric power supply system (2019-07-09),

3. 10186934 - Electric power supply system (2019-01-22),

4. 9275792 - Power supply system, and fixed body and movable body therefor (2016-03-01),

5. 8907526 - Power supply system, and fixed body and movable body therefor (2014-12-09),

6. 7964828 - Microwave heating applicator (2011-06-21),

7. 7230217 - Hybrid rectangular heating applicators (2007-06-12),

Company Overview

Exh Corporation is a leading technology company that specializes in providing innovative solutions for businesses. With a focus on cutting-edge technology, Exh Corporation offers a wide range of services including software development, cloud computing, and digital marketing. The company strives to deliver high-quality, customized solutions to help clients achieve their goals and stay ahead in today's competitive market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#62 in Chiba

#5,456 in Japan

Chiba, Japan

Exh Corporation

Forward Citations = 12

3 inventors:

Kenichi Harakawa (5 out of 9 patents)

Per Olov Risman (2 out of 5 patents)

Yuuji Oshi (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Exh Corporation. Retrieved from https://idiyas.com/company/exh

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]