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For the Inventor, By the Inventor

Tokyo, Japan

Hirai Co., Ltd.


USPTO Granted Patents = 1

Forward Citations = 29

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6 inventors (with patents filed for the assignee):

goldMedal Shinichi Nakao (1 out of 28 patents)

silverMedal Masao Hayakawa (1 out of 1 patent)

bronzeMedal Yoshikazu Yokoi (1 out of 1 patent)

4.  Yoshitaka Ina (1 out of 1 patent)

5.  Masahiro Ishibashi (1 out of 1 patent)

6.  Masaki Takamoto (1 out of 1 patent)


1 patent:

1. 6012474 - Mass flow control method and device utilizing a sonic nozzle (2000-01-11),
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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#5,734 in Tokyo

#15,549 in Japan

...
Tokyo, Japan

Hirai Co., Ltd.

Forward Citations = 29

6 inventors:

goldMedal Shinichi Nakao (1 out of 28 patents)

silverMedal Masao Hayakawa (1 out of 1 patent)

bronzeMedal Yoshikazu Yokoi (1 out of 1 patent)

4.  Yoshitaka Ina (1 out of 1 patent)

5.  Masahiro Ishibashi (1 out of 1 patent)

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