24 Utility Patents
#5,721 in Tokyo
#28,079 in Japan
#130,155 in the World
Forward Citations = 82
Company Filing History:

Keiwa Inc.

where one patent can have more than one assignee
Get your Inventor Badge Today
#5,721 in Tokyo
#28,079 in Japan
#130,155 in the World
Company Filing History:


Get your Inventor Badge Today