DH

Daiji Hiraoka

KC Koyo Seiko Co.: 1 patents #26 of 135Top 20%
Overall (2003): #242,069 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6637107 Method of manufacturing disk for variator Shinji Yasuhara, Yoshihiro Ono, Yasuhiko Hasuda, Yasuharu Misada 2003-10-28