58 Utility Patents
#1 in Yonezawa
#5,640 in Japan
#28,673 in the World
Forward Citations = 1,453
Company Filing History:
Other
Rohm Co., Ltd.
Dai Nippon Printing Co., Ltd.
4. 9 out of 4,578

5. 3 out of 60

where one patent can have more than one assignee
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