Tadashi Ebihara

Follow

Person

Hatogaya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Composite valve seat
- Patent number 4,509,722
- Issue date Apr 9, 1985
- Nippon Piston Ring Co., Ltd.
- Tadashi Ebihara
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Powder molding method and powder compression molded composite artic...
- Patent number 4,419,413
- Issue date Dec 6, 1983
- Nippon Piston Ring Co., Ltd.
- Tadashi Ebihara
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Two layer sintered piston ring with a rest-curve like boundary
- Patent number 4,414,284
- Issue date Nov 8, 1983
- Nippon Piston Ring Co., Ltd.
- Tadashi Ebihara
- B22 - CASTING POWDER METALLURGY