Akira Tohkairin

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Armature for an electric rotary machine and method of manufacturing...
- Patent number 4,829,206
- Issue date May 9, 1989
- Hitachi, Ltd.
- Teruhisa Honshima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fluid machine
- Patent number 4,644,850
- Issue date Feb 24, 1987
- Hitachi, Ltd.
- Hisanobu Kanamaru
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Inside chuck device for machine tools
- Patent number 4,541,315
- Issue date Sep 17, 1985
- Hitachi, Ltd.
- Hisanobu Kanamaru
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of joining two metal members
- Patent number 4,392,296
- Issue date Jul 12, 1983
- Hitachi, Ltd.
- Hisanobu Kanamaru
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rotary electric machine rotor and a method of manufacturing the same
- Patent number 4,377,762
- Issue date Mar 22, 1983
- Hitachi, Ltd.
- Hideo Tatsumi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of joining members of metal by forced insertion
- Patent number 4,376,333
- Issue date Mar 15, 1983
- Hitachi, Ltd.
- Hisanobu Kanamaru
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of coupling two metallic members
- Patent number 4,370,793
- Issue date Feb 1, 1983
- Hitachi, Ltd.
- Hisanobu Kanamaru
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of making rotor of rotary machines
- Patent number 4,339,873
- Issue date Jul 20, 1982
- Hitachi, Ltd.
- Hisanobu Kanamaru
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of coupling two concentrically disposed members
- Patent number 4,335,496
- Issue date Jun 22, 1982
- Hitachi, Ltd.
- Hisanobu Kanamaru
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hydraulic pressure producing system for a hydraulic press
- Patent number 4,325,678
- Issue date Apr 20, 1982
- Hitachi, Ltd.
- Hisanobu Kanamaru
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method of making V-grooved pulley assembly
- Patent number 4,290,295
- Issue date Sep 22, 1981
- Hitachi, Ltd.
- Hisanobu Kanamaru
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for manufacturing high precision slugs
- Patent number 4,253,323
- Issue date Mar 3, 1981
- Aida Engineering, Ltd.
- Kinshiro Murakami
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for connecting two members
- Patent number 4,249,298
- Issue date Feb 10, 1981
- Hitachi, Ltd.
- Hisanobu Kanamaru
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Akira Tohkairin

Person

Patents Grantslast 30 patents

Armature for an electric rotary machine and method of manufacturing...

Fluid machine

Inside chuck device for machine tools

Method of joining two metal members

Rotary electric machine rotor and a method of manufacturing the same

Method of joining members of metal by forced insertion

Method of coupling two metallic members

Method of making rotor of rotary machines

Method of coupling two concentrically disposed members

Hydraulic pressure producing system for a hydraulic press

Method of making V-grooved pulley assembly

Method for manufacturing high precision slugs

Method for connecting two members