% Expired Patents = 100.0

Forward Citations = 6

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4 inventors (with patents filed for the assignee):

Hiroshi Yamaguchi (2 out of 103 patents)

Katsumi Fujima (2 out of 6 patents)

Noboru Sawada (2 out of 2 patents)

4. Masatoshi Enomoto (2 out of 14 patents)

2 patents: Sort by Forward Citations

1. 8266918 - Refrigerant circulating pump, refrigerant circulating pump system, method of pumping refrigerant, and rankine cycle system (2012-09-18),

2. 7530235 - Heat pump, heat pump system, method of pumping refrigerant, and rankine cycle system (2009-05-12),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#526 in

#11,133 in Japan

JP

Yoshimura Construction Co., Ltd.

Forward Citations = 6

4 inventors:

Hiroshi Yamaguchi (2 out of 103 patents)

Katsumi Fujima (2 out of 6 patents)

Noboru Sawada (2 out of 2 patents)

4. Masatoshi Enomoto (2 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yoshimura Construction Co., Ltd.. Retrieved from https://idiyas.com/company/yoshimura-construction-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]