Tokyo, Japan

Efuesukei Kabushiki Kaisha


USPTO Granted Patents = 3

Forward Citations = 26

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6 inventors (with patents filed for the assignee):

goldMedal Yoshihisa Mineura (1 out of 11 patents)

silverMedal Tetsuo Shioya (1 out of 1 patent)

bronzeMedal Katsuhiro Kitano (1 out of 1 patent)

4 Toshihiko Sato (1 out of 2 patents)

5 Eiichi Irie (1 out of 1 patent)

6 Hitoshi Sakashita (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#3,271 in Tokyo

#8,780 in Japan

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Tokyo, Japan
Forward Citations = 26

6 inventors:

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