32 Utility Patents
#30 in Sendai
#17,713 in Japan
#82,950 in the World
Forward Citations = 287
Company Filing History:
Other
Koji Hashimoto
Yoshida Kogyo K.k.
4. 6 out of 1,422

5. 4 out of 278

where one patent can have more than one assignee
Get your Inventor Badge Today