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USPTO Data Jan 1 1976 - Dec 30 2025
1 Patents
#5,730 in Tokyo
#15,542 in Japan
Hitachi Tokyo Engineering Co., Ltd.
Forward Citations = 11
6 inventors:
Hitachi Tokyo Engineering Co., Ltd.
Forward Citations = 11
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6 inventors (with patents filed for the assignee):
Osamu Kakutani (1 out of 14 patents)
Ryuichi Kyomasu (1 out of 23 patents)
Tsutomu Mimata (1 out of 13 patents)
4. Nobuhiro Takasugi (1 out of 3 patents)
5. Isamu Yamazaki (1 out of 4 patents)
6. Kenji Watanabe (1 out of 41 patents)
1 patent:
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