Tokyo, Japan

Opt Gate Co., Ltd.


Patents = 2

Trademarks = 1

Forward Citations = 0


where 'Filed Patents' based on already Granted Patents

where 'Inventors Filed' based on already Granted Patents


4 inventors (with patents filed for the assignee):

goldMedal Masayuki Tanaka (2 out of 168 patents)

silverMedal Moritsugu Sakamoto (1 out of 2 patents)

bronzeMedal Kohei Noda (1 out of 1 patent)

4 Hiroshi Ono (1 out of 1 patent)


2 patents:

1. 12480866 - Optical measurement apparatus (2025-11-25),
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USPTO Data Jan 1 1976 - Dec 2 2025

2 Patents

#4,071 in Tokyo

#10,991 in Japan

...
Tokyo, Japan
Forward Citations = 0

4 inventors:

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