Ryoichi Watanabe

Follow

Person

Toyokawa-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Lightened disk for a wheel and a method for manufacturing the same
- Patent number 6,839,967
- Issue date Jan 11, 2005
- Topy Kogyo Kabushiki Kaisha
- Kishiro Abe
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Multi-piece rim
- Patent number 5,947,175
- Issue date Sep 7, 1999
- Topy Kogyo Kabushiki Kaisha
- Ryoichi Watanabe
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Lightened disk for a wheel and a method for manufacturing the same
- Publication number 20020180255
- Publication date Dec 5, 2002
- TOPY KOGYO KABUSHIKI KAISHA
- Kishiro Abe
- B60 - VEHICLES IN GENERAL