Tokyo, Japan

Kabushikikaisha Riken & Simizu Construction Co.


USPTO Granted Patents = 1

Forward Citations = 8

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4 inventors (with patents filed for the assignee):

goldMedal Noboru Ishikawa (1 out of 15 patents)

silverMedal Kenzo Suzuki (1 out of 2 patents)

bronzeMedal Hiroyoshi Ishii (1 out of 3 patents)

4 Misao Kaneko (1 out of 3 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 = 8

4 inventors:

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