San Ramon, CA, United States of America

Chevron Texaco Japan Limited


USPTO Granted Patents = 2



Forward Citations = 6

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19 inventors (with patents filed for the assignee):

goldMedal Hiroshi Watanabe (2 out of 6 patents)

silverMedal Satoshi Ohta (2 out of 5 patents)

bronzeMedal Katsumi Umehara (2 out of 2 patents)

4 Shigeru Iwamoto (3 patents)

5 Michio Shiga (3 patents)

6 Hiroyuki Nagamatsu (5 patents)

7 Hiroshi Watanabe (0 patent)

8 Tomotsugu Shiroi (0 patent)

9 Satoshi Hirano (0 patent)

10 Morikuni Nakazato (0 patent)

11 Tomotsugu Shiroi (0 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#84 in San Ramon, CA

#20,537 in California

#92,598 in US

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San Ramon, CA, United States of America
Forward Citations = 6

19 inventors:

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