Company Badge
USPTO Data Jan 1 1976 - Jan 6 2026
1 Patents
#5,734 in Tokyo
#15,549 in Japan
Keihin Ryoko Concrete Industry Corporation
Forward Citations = 2
9 inventors:
Keihin Ryoko Concrete Industry Corporation
Forward Citations = 2
Loading Chart...
Loading Chart...
9 inventors (with patents filed for the assignee):
Mitsuo Sato (1 out of 12 patents)
Toshio Yonezawa (1 out of 11 patents)
Mitsuo Kinoshita (1 out of 28 patents)
4. Kenrou Mitsui (1 out of 5 patents)
5. Kunio Yanagibashi (1 out of 3 patents)
6. Hisatsugu Yoshida (1 out of 1 patent)
7. Etsurou Asakura (1 out of 1 patent)
8. Tooru Okuno (1 out of 1 patent)
9. Yousaku Ikeo (1 out of 1 patent)
1 patent:
Please report any incorrect information to support@idiyas.com
Please report any incorrect information to support@idiyas.com
Please report any incorrect information to support@idiyas.com