15 Utility Patents
#131 in Shiga
#53,317 in Japan
#248,103 in the World
Forward Citations = 88
Company Filing History:
Ishihara Sangyo Kaisha, Ltd.

Oiles Corporation
4. 1 out of 1
Bridgestone Kbg Co., Ltd
5. 1 out of 772
Koyo Seiko Company, Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today