14 Utility Patents
#3,607 in Yokohama
#58,166 in Japan
#270,802 in the World
Forward Citations = 27
Company Filing History:
Mitsubishi Pencil Kabushiki Kaisha
Mitsubishi Pencil Company, Limited

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#3,607 in Yokohama
#58,166 in Japan
#270,802 in the World
Company Filing History:

Get your Inventor Badge Today