Osaka, Japan

Sumitomo Speical Metals Co., Ltd.


USPTO Granted Patents = 1

Forward Citations = 7

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3 inventors (with patents filed for the assignee):

goldMedal Takaki Hamada (1 out of 10 patents)

silverMedal Yutaka Matsuura (1 out of 30 patents)

bronzeMedal Tetsuji Hayakawa (1 out of 3 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#1,495 in Osaka

#15,591 in Japan

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Osaka, Japan
Forward Citations = 7

3 inventors:

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