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USPTO Data Jan 1 1976 - Dec 23 2025
1 Patents
#1,488 in Osaka
#15,539 in Japan
Sumitomo Chem.co., Ltd.
Forward Citations = 0
7 inventors:
Sumitomo Chem.co., Ltd.
Forward Citations = 0
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7 inventors (with patents filed for the assignee):
Hiroyuki Kai (1 out of 48 patents)
Moriyasu Masui (1 out of 30 patents)
Akihiko Nakamura (1 out of 15 patents)
4. Akira Takase (1 out of 27 patents)
5. Yujiro Kiyoshima (1 out of 6 patents)
6. Mikio Sasaki (1 out of 6 patents)
7. Katuhisa Masumoto (1 out of 6 patents)
1 patent:
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