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For the Inventor, By the Inventor

Nigata, Japan

Toho Natural Gas Company, Limited


USPTO Granted Patents = 3

Forward Citations = 14

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9 inventors (with patents filed for the assignee):

goldMedal Kiyoshige Nishibayashi (3 out of 3 patents)

silverMedal Hitofusa Mitani (3 out of 3 patents)

bronzeMedal Haruka Ogawa (3 out of 3 patents)

4.  Hiroyuki Ishii (3 out of 4 patents)

5.  Akira Ito (3 out of 4 patents)

6.  Kazuhiko Shichiku (3 out of 3 patents)

7.  Tadashi Nouchi (3 out of 3 patents)

8.  Yoshimasa Hayashi (3 out of 5 patents)

9.  Tsuyoshi Aoyama (3 out of 6 patents)


3 patents:

1. 5891224 - Rubber modified asphalt type of water-proofing compositions (1999-04-06),
2. 5866211 - Rubber modified asphalt type of water-proofing compositions (1999-02-02),
3. 5674313 - Rubber modified asphalt type of water-proofing composition (1997-10-07),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#2 in Nigata

#8,771 in Japan

...
Nigata, Japan

Toho Natural Gas Company, Limited

Forward Citations = 14

9 inventors:

goldMedal Kiyoshige Nishibayashi (3 out of 3 patents)

silverMedal Hitofusa Mitani (3 out of 3 patents)

bronzeMedal Haruka Ogawa (3 out of 3 patents)

4.  Hiroyuki Ishii (3 out of 4 patents)

5.  Akira Ito (3 out of 4 patents)

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