41 Utility Patents
#1 in Fujioka
#11,442 in Japan
#54,875 in the World
Forward Citations = 1,097
Company Filing History:
Mitsubishi Pencil Company, Limited
Mitsubishi Pencil Kabushiki Kaisha

4. 4 out of 1,037

5. 1 out of 1,708

where one patent can have more than one assignee
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