Yoshio Miyasaka

FC Fuji Kihan Co.: 26 patents #1 of 12Top 9%

AC Art Metal Mfg. Co.: 4 patents #2 of 24Top 9%

TO Toyota: 1 patents #15,335 of 26,838Top 60%

Overall (All Time): #134,339 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #	Title	Co-Inventors	Date
6038900	Method for a surface treatment of metallic product	—	2000-03-21
6018854	Method of making surface-hardened metal shot	—	2000-02-01
5592840	Method of preventing abrasion at sliding portion of metal-product	—	1997-01-14