Hamamatsu-shi, Japan

Toyo Roki Mfg. Co., Ltd.


USPTO Granted Patents = 1

Forward Citations = 1

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6 inventors (with patents filed for the assignee):

goldMedal Taketoshi Matsumoto (1 out of 4 patents)

silverMedal Sueki Sugawara (1 out of 1 patent)

bronzeMedal Kazuyuki Iida (1 out of 1 patent)

4 Kunimoto Sugiyama (1 out of 1 patent)

5 Makoto Nakamichi (1 out of 1 patent)

6 Toshiyuki Ishii (1 out of 25 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#7 in Hamamatsu-shi

#15,591 in Japan

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Hamamatsu-shi, Japan
Forward Citations = 1

6 inventors:

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