17 Utility and 1 Design Patents
#4,198 in Kanagawa
#45,370 in Japan
#210,841 in the World
rank by utility patentsForward Citations = 204
Company Filing History:

Amp LLC

4. 2 out of 21,351

5. 2 out of 16
Dengensha Manufacturing Company Limited
where one patent can have more than one assignee
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