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USPTO Data Jan 1 1976 - Jan 6 2026
1 Patents
#5,734 in Tokyo
#15,549 in Japan
Keihin Ryoko Concrete Ind. Corp.
Forward Citations = 15
9 inventors:
Keihin Ryoko Concrete Ind. Corp.
Forward Citations = 15
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9 inventors (with patents filed for the assignee):
Mitsuo Sato (1 out of 12 patents)
Toshio Yonezawa (1 out of 11 patents)
Hayao Aoyagi (1 out of 6 patents)
4. Toru Okuno (1 out of 1 patent)
5. Kenzo Kitazawa (1 out of 1 patent)
6. Ken-ichi Mase (1 out of 1 patent)
7. Yasuyuki Saito (1 out of 1 patent)
8. Tetsuo Oura (1 out of 1 patent)
9. Kenro Mitsui (1 out of 1 patent)
1 patent:
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