49 Utility and 73 Design Patents
#1 in Ibaraki
#36 in Japan
#1,012 in the World
rank by design patentsForward Citations = 1,506
Company Filing History:

Sanwa Denki Kogyo Co., Ltd.
Mitsumi Newtech Co., Ltd.
4. 1 out of 832,680 patents
Other
5. 1 out of 304

where one patent can have more than one assignee
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