21 Utility and 17 Design Patents
#4 in Kitakatsushika-gun
#34,089 in Japan
#157,531 in the World
rank by utility patentsForward Citations = 244
Company Filing History:
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#4 in Kitakatsushika-gun
#34,089 in Japan
#157,531 in the World
rank by utility patentsCompany Filing History:
Get your Inventor Badge Today