EPO Patents = 2

Forward Citations = 2

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7 inventors (with patents filed for the assignee):

Toshiaki Aoki (2 out of 2 patents)

Ichiro Myougan (2 out of 3 patents)

Yasuyuki Hishi (2 out of 3 patents)

4. Daisuke Fukuda (1 out of 2 patents)

5. Isamu Osawa (1 out of 1 patent)

6. Yasuto Futagoishi (1 out of 1 patent)

7. Toshikazu Kato (1 out of 29 patents)

8. Toshiaki Aoki (0 patent)

9. Toshiaki Aoki (0 patent)

2 patents: Sort by Forward Citations

1. 9234507 - Steam characteristics automatic measuring device and geothermal power-generating device (2016-01-12),

2. 8407027 - Online diagnostic method and online diagnostic system for geothermal generation facility (2013-03-26),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#4,361 in Tokyo

#11,124 in Japan

Tokyo, Japan

Geothermal Engineering Co., Ltd.

Forward Citations = 2

7 inventors:

Toshiaki Aoki (2 out of 2 patents)

Ichiro Myougan (2 out of 3 patents)

Yasuyuki Hishi (2 out of 3 patents)

4. Daisuke Fukuda (1 out of 2 patents)

5. Isamu Osawa (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Geothermal Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/geothermal-engineering-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]

2 patents (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]