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USPTO Data Jan 1 1976 - Dec 30 2025
1 Patents
#5,740 in Tokyo
#15,554 in Japan
Hitachi Ltd. Et Al.
Forward Citations = 19
4 inventors:
Hitachi Ltd. Et Al.
Forward Citations = 19
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4 inventors (with patents filed for the assignee):
Toshihiko Tanaka (1 out of 122 patents)
Akira Imai (1 out of 124 patents)
Norio Hasegawa (1 out of 108 patents)
4. Hiroshi Fukuda (1 out of 63 patents)
1 patent:
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