Tokyo, Japan

Kohwa Mfg. Co.


USPTO Granted Patents = 1

Forward Citations = 13

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6 inventors (with patents filed for the assignee):

goldMedal Ken-ichi Uruga (1 out of 5 patents)

silverMedal Masanori Itoh (1 out of 9 patents)

bronzeMedal Kiyoshi Yajima (1 out of 2 patents)

4 Takao Suzuki (1 out of 2 patents)

5 Hisanaga Hirabayashi (1 out of 2 patents)

6 Hitoshi Okuyama (1 out of 2 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#5,752 in Tokyo

#15,591 in Japan

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Tokyo, Japan
Forward Citations = 13

6 inventors:

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