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For the Inventor, By the Inventor

Osaka, Japan

Osaka Gas Limited


USPTO Granted Patents = 2

Forward Citations = 17

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10 inventors (with patents filed for the assignee):

goldMedal Hiroshi Kawaguchi (1 out of 1 patent)

silverMedal Takeshi Maeda (1 out of 2 patents)

bronzeMedal Hitoshi Sakai (1 out of 1 patent)

4.  Harukazu Yamaguchi (1 out of 1 patent)

5.  Akio Ando (1 out of 1 patent)

6.  Yasuo Matsushita (1 out of 1 patent)

7.  Tetsuya Takemoto (1 out of 1 patent)

8.  Hiroyoshi Seto (1 out of 1 patent)

9.  Takeo Namazugoshi (1 out of 1 patent)

10.  Mitsuo Yamamoto (1 out of 3 patents)


2 patents:

1. 5062926 - Solvent recovery apparatus (1991-11-05),
2. 4419163 - Pipeline coating method (1983-12-06),
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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#1,025 in Osaka

#10,966 in Japan

...
Osaka, Japan

Osaka Gas Limited

Forward Citations = 17

10 inventors:

goldMedal Hiroshi Kawaguchi (1 out of 1 patent)

silverMedal Takeshi Maeda (1 out of 2 patents)

bronzeMedal Hitoshi Sakai (1 out of 1 patent)

4.  Harukazu Yamaguchi (1 out of 1 patent)

5.  Akio Ando (1 out of 1 patent)

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