Yasuharu Gotoh

Person

Tsuchiura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of gas sulphonitriding
- Patent number 5,290,369
- Issue date Mar 1, 1994
- Hitachi Construction Machinery Co., Ltd.
- Kazuyoshi Hatano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Bent axis type variable displacement hydraulic machine
- Patent number 5,231,912
- Issue date Aug 3, 1993
- Hitachi Construction Machinery Co., Ltd.
- Yoshimichi Akasaka
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Sliding member, and method and apparatus for producing the same by...
- Patent number 5,187,017
- Issue date Feb 16, 1993
- Hitachi Construction Machinery Co., Ltd.
- Kazuyoshi Hatano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Bent axis type variable displacement hydraulic machine
- Patent number 5,182,978
- Issue date Feb 2, 1993
- Hitachi Construction Machinery Co., Ltd.
- Yoshimichi Akasaka
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Bent axis type variable displacement hydraulic machine
- Patent number 5,094,144
- Issue date Mar 10, 1992
- Yoshimichi Akasaka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Variable displacement bent axis type hydraulic machine
- Patent number 5,085,128
- Issue date Feb 4, 1992
- Hitachi Construction Machinery Co., Ltd.
- Shigetaka Nakamura
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Thrust hydrostatic bearing device for use in axial piston machine
- Patent number 4,788,902
- Issue date Dec 6, 1988
- Hitachi Ltd.
- Yoshimichi Akasaka
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Yasuharu Gotoh

Person

Patents Grantslast 30 patents

Method of gas sulphonitriding

Bent axis type variable displacement hydraulic machine

Sliding member, and method and apparatus for producing the same by...

Bent axis type variable displacement hydraulic machine

Bent axis type variable displacement hydraulic machine

Variable displacement bent axis type hydraulic machine

Thrust hydrostatic bearing device for use in axial piston machine