10 Utility Patents
#4,826 in Yokohama
#82,811 in Japan
#383,765 in the World
Forward Citations = 60
Company Filing History:
Mitsubishi Pencil Kabushiki Kaisha
Nippon Kokan Kabushiki Kaisha
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#4,826 in Yokohama
#82,811 in Japan
#383,765 in the World
Company Filing History:
Get your Inventor Badge Today