22 Utility Patents
#185 in Okazaki
#31,356 in Japan
#144,514 in the World
Forward Citations = 217
Company Filing History:


Koyo Seiko Company, Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today
#185 in Okazaki
#31,356 in Japan
#144,514 in the World
Company Filing History:


Get your Inventor Badge Today