28 Utility Patents
#4,581 in Tokyo
#21,899 in Japan
#102,033 in the World
Forward Citations = 32
Company Filing History:
Dai Nippon Printing Co., Ltd.

where one patent can have more than one assignee
Get your Inventor Badge Today
#4,581 in Tokyo
#21,899 in Japan
#102,033 in the World
Company Filing History:

Get your Inventor Badge Today