Tokyo, Japan

Showa Shell Seikyu K.k.


USPTO Granted Patents = 1

Forward Citations = 8

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9 inventors (with patents filed for the assignee):

goldMedal Takashi Matsuda (1 out of 5 patents)

silverMedal Kazuhiro Miyajima (1 out of 5 patents)

bronzeMedal Yasushi Kawamura (1 out of 8 patents)

4 Takahiro Ozaki (1 out of 8 patents)

5 Tetsuo Tsuchiya (1 out of 6 patents)

6 Fumio Goto (1 out of 4 patents)

7 Hideaki Tsuyuki (1 out of 1 patent)

8 Hirofumi Mochizuki (1 out of 1 patent)

9 Nobuhiko Okano (1 out of 3 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 2 2025

1 Patents

#5,751 in Tokyo

#15,589 in Japan

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Tokyo, Japan
Forward Citations = 8

9 inventors:

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