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USPTO Data Jan 1 1976 - Dec 16 2025
1 Patents
#46 in Hokkaido
#15,539 in Japan
Sanko Concrete Building Material Manufacturing Co., Ltd.
Forward Citations = 11
8 inventors:
Sanko Concrete Building Material Manufacturing Co., Ltd.
Forward Citations = 11
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8 inventors (with patents filed for the assignee):
Shinji Tanaka (1 out of 7 patents)
Mitsuo Noborisaka (1 out of 1 patent)
Masashi Noborisaka (1 out of 1 patent)
4. Toshiaki Fukagai (1 out of 1 patent)
5. Takashi Taniguchi (1 out of 1 patent)
6. Yuuji Satou (1 out of 1 patent)
7. Kazuhiro Tanaka (1 out of 1 patent)
8. Noriaki Yamamoto (1 out of 1 patent)
1 patent:
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