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USPTO Data Jan 1 1976 - Jan 6 2026
1 Patents
#5,734 in Tokyo
#15,549 in Japan
Hitachi Ltd. & Hitachi Video Eng.
Forward Citations = 18
6 inventors:
Hitachi Ltd. & Hitachi Video Eng.
Forward Citations = 18
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6 inventors (with patents filed for the assignee):
Kenji Katsumata (1 out of 44 patents)
Isao Nakagawa (1 out of 30 patents)
Masato Sugiyama (1 out of 19 patents)
4. Shigeru Hirahata (1 out of 31 patents)
5. Sunao Suzuki (1 out of 10 patents)
6. Akihide Okuda (1 out of 7 patents)
1 patent:
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