13 Utility and 2 Design Patents
#80 in Kawagoe
#63,450 in Japan
#297,024 in the World
rank by utility patentsForward Citations = 41
Company Filing History:

Mitsubishi Pencil Company, Limited
Pica-Marker VermÖgens Gmbh & Co. Kg
4. 1 out of 99
Fujicopian Co., Ltd.
where one patent can have more than one assignee
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