40 Utility Patents
#65 in Hamamatsu
#11,618 in Japan
#55,022 in the World
Forward Citations = 648
Company Filing History:


Nippondenso Co., Ltd.
4. 2 out of 6
Amso Co., Ltd.
5. 1 out of 21
Kawai Musical Instruments Mfg. Co., Ltd.
where one patent can have more than one assignee
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