NI

Noritoki Ishikawa

RY Ryobi: 2 patents #95 of 309Top 35%
Overall (All Time): #2,347,727 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D283415 Bicycle derailleur — 1986-04-15
4552546 Device for controlling the tension of a transmission chain in an externally mounted speed changer for a bicycle — 1985-11-12