logo

For the Inventor, By the Inventor

Tokyo, Japan

Toa Doro Kogyo Co., Ltd.


USPTO Granted Patents = 1

Forward Citations = 14

Loading Chart...
Loading Chart...

6 inventors (with patents filed for the assignee):

goldMedal Koji Nakagawa (1 out of 7 patents)

silverMedal Yutaka Harada (1 out of 2 patents)

bronzeMedal Yoshiro Higuchi (1 out of 1 patent)

4.  Toshio Sato (1 out of 1 patent)

5.  Iwazo Kawaguchi (1 out of 1 patent)

6.  Yasushi Kasahara (1 out of 1 patent)


1 patent:

1. 4084981 - Quick hardening cement-asphalt composition (1978-04-18),
logo

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#5,735 in Tokyo

#15,539 in Japan

...
Tokyo, Japan

Toa Doro Kogyo Co., Ltd.

Forward Citations = 14

6 inventors:

goldMedal Koji Nakagawa (1 out of 7 patents)

silverMedal Yutaka Harada (1 out of 2 patents)

bronzeMedal Yoshiro Higuchi (1 out of 1 patent)

4.  Toshio Sato (1 out of 1 patent)

5.  Iwazo Kawaguchi (1 out of 1 patent)

Please report any incorrect information to support@idiyas.com
Loading…