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Maibara-shi, Shiga, Japan

Estir Co., Ltd.

USPTO Granted Patents = 2

EPO Patents = 2

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Teruyuki Akazawa (2 out of 17 patents)

Tsutomu Nakatsuka (2 out of 2 patents)

Taeko Tahara (2 out of 2 patents)

4. Osamu Sakamoto (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 9097206 - Stirling engine and method of removing impurities in a heat-transfer tube group in a power device or a power-generating device which uses a stirling engine (2015-08-04),

2. 8899037 - Stirling engine (2014-12-02),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#1 in Maibara-shi, Shiga

#10,966 in Japan

Maibara-shi, Shiga, Japan

Estir Co., Ltd.

Forward Citations = 0

4 inventors:

Teruyuki Akazawa (2 out of 17 patents)

Tsutomu Nakatsuka (2 out of 2 patents)

Taeko Tahara (2 out of 2 patents)

4. Osamu Sakamoto (2 out of 2 patents)

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