23 Utility Patents
#9 in Hanno
#29,888 in Japan
#138,545 in the World
Forward Citations = 15
Company Filing History:

Mitsubishi Pencil Company, Limited
where one patent can have more than one assignee
Get your Inventor Badge Today
#9 in Hanno
#29,888 in Japan
#138,545 in the World
Company Filing History:

Get your Inventor Badge Today