18 Utility Patents
#178 in Tsukuba
#41,952 in Japan
#194,568 in the World
Forward Citations = 1,306
Company Filing History:

Mitsubishi Pencil Company, Limited
Mitsubishi Pencil Kabushiki Kaisha
4. 3 out of 348
Ministry of International Trade & Industry
5. 3 out of 30
Director General Agency of Industrial Science and Technology
where one patent can have more than one assignee
Get your Inventor Badge Today