Osaka, Japan

O.c. Engineering Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 13

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5 inventors (with patents filed for the assignee):

goldMedal Yoshikiyo Serizawa (1 out of 1 patent)

silverMedal Takuo Yamoto (1 out of 1 patent)

bronzeMedal Masahiro Konishi (1 out of 2 patents)

4 Motoo Kano (1 out of 1 patent)

5 Eiji Iwaihara (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#1,026 in Osaka

#10,988 in Japan

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Osaka, Japan
Forward Citations = 13

5 inventors:

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