21 Utility Patents
#6,606 in Tokyo
#33,574 in Japan
#154,432 in the World
Forward Citations = 391
Company Filing History:

Richo Company, Ltd.

where one patent can have more than one assignee
Get your Inventor Badge Today
#6,606 in Tokyo
#33,574 in Japan
#154,432 in the World
Company Filing History:


Get your Inventor Badge Today