Yoshiaki Hyodo

KC Koyo Seiko Co.: 2 patents #228 of 749Top 35%

NC Nippon Koshuha Steel Co.: 1 patents #3 of 32Top 10%

Overall (All Time): #2,280,589 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D372254	Pivot bearing	Shigeyoshi Hirayama, Mitsuhiro Ikeda	1996-07-30
4911885	High carbon chromium bearing steel	Masamichi Shibata, Toshihiro Miyakawa	1990-03-27