YU

Yutaka Uchiumi

TC Tsubakimoto Chain: 3 patents #140 of 593Top 25%
Overall (All Time): #1,633,585 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5902203 Silent chain Makoto Kanehira, Takero Nakagawa, Masahiro Sato, Nobuyuki Fujimoto, Hitoshi Ohara +1 more 1999-05-11
5026331 Rocker joint pin type CVT chain Yoshiaki Sugimoto, Toshihiro Hosokawa, Shuji Sasamoto, Nobuyuki Fujimoto 1991-06-25
4917658 Friction plate for CVT chain Yoshiaki Sugimoto, Toshihiro Hosokawa, Shuji Sasamoto, Nobuyuki Fujimoto 1990-04-17