Hideo Tatsumi

Person

Mito, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Anisotropic magnet brushless motor having a rotor with elastic insu...
- Patent number 6,404,086
- Issue date Jun 11, 2002
- Hitachi, Ltd.
- Yoshinori Fukasaku
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fuel injector for use in internal combustion engine
- Patent number 6,032,879
- Issue date Mar 7, 2000
- Hitachi, Ltd.
- Yasunaga Hamada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electromagnetic clutch and method of manufacture
- Patent number 4,413,717
- Issue date Nov 8, 1983
- Hitachi, Ltd.
- Hisanobu Kanamaru
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Flywheel magneto rotor and manufacture method thereof
- Patent number 4,306,167
- Issue date Dec 15, 1981
- Hitachi, Ltd.
- Tosio Tomite
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of making an electromagnetic clutch
- Patent number 4,305,198
- Issue date Dec 15, 1981
- Hitachi, Ltd.
- Hisanobu Kanamaru
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Electromagnetic clutch
- Patent number 4,295,553
- Issue date Oct 20, 1981
- Hitachi, Ltd.
- Kosaku Sayo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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 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...

Hideo Tatsumi

Person

Patents Grantslast 30 patents

Anisotropic magnet brushless motor having a rotor with elastic insu...

Fuel injector for use in internal combustion engine

Electromagnetic clutch and method of manufacture

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

Flywheel magneto rotor and manufacture method thereof

Method of making an electromagnetic clutch

Electromagnetic clutch

Method of making V-grooved pulley assembly

Method for connecting two members