42 Utility Patents
#71 in Hitachi
#10,356 in Japan
#48,413 in the World
Forward Citations = 430
Company Filing History:
Hitachi Chemical Company, Ltd.
Hitachi, Ltd.
Nippon Oil & Fats Co. Ltd.
4. 1 out of 1,446
5. 1 out of 228
where one patent can have more than one assignee
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