Inventor · disambiguated record
Ryuichi Ichikawa
Also filed as: ICHIKAWA RYUICHI
3 granted patents·53 citations·filing 1990–1992
70Inventor score
Files withYAMAHA MOTOR CO LTD3
Top patents by PatentIndex Score
3 records- 0182US5211145AFuel injection system for engineYAMAHA MOTOR CO LTD·Filed 1992·Granted May 18, 1993·42 cites·20 claims
- 0238US5360079AFuel injected automotive engineYAMAHA MOTOR CO LTD·Filed 1990·Granted Nov 1, 1994·6 cites·17 claims
- 0334US5105792AFuel injection system for an engineYAMAHA MOTOR CO LTD·Filed 1990·Granted Apr 21, 1992·5 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Ryuichi Ichikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →