KO

Katsumi Ooshima

TO Topre: 2 patents #5 of 35Top 15%
Overall (All Time): #2,322,298 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4907468 Pedal effort-reduction apparatus Yoshihiko Hagiwara 1990-03-13
4800774 Pedal-load lightening apparatus Yoshihiko Hagiwara 1989-01-31