57 Utility Patents
#1,405 in Tokyo
#5,980 in Japan
#30,260 in the World
Forward Citations = 454
Company Filing History:


Alps Electric Co., Ltd.
4. 5 out of 832,761 patents
Other
5. 5 out of 393
Ishihara Sangyo Kaisha, Ltd.
where one patent can have more than one assignee
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