Kanagawa, Japan

Koyo Corporation


USPTO Granted Patents = 3


Trademarks = 2

Forward Citations = 35

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7 inventors (with patents filed for the assignee):

goldMedal Munetada Matsumiya (2 out of 2 patents)

silverMedal Kazuyuki Kotani (1 out of 9 patents)

bronzeMedal Atsuko Shirai (1 out of 1 patent)

4 Satoshi Katayama (1 out of 16 patents)

5 Takamasa Takagi (1 out of 1 patent)

6 Takehisa Mitsugi (1 out of 1 patent)

7 Kazuya Ise (1 out of 1 patent)

8 Ryuzo Ikeda (0 patent)

9 Hideyuki Kakinuma (0 patent)

10 Matsumiya Munetada (0 patent)

11 Shirai Atsuko (0 patent)

12 Mitugi Takehisa (0 patent)

13 Ise Kazuya (0 patent)

14 Takagi Takamasa (0 patent)

15 Mitsugi Takehisa (0 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#279 in Kanagawa

#8,766 in Japan

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Kanagawa, Japan
Forward Citations = 35

7 inventors:

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