Seizi Yamashita

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus magnetically detecting position or speed of moving body u...
- Patent number RE34443
- Issue date Nov 16, 1993
- Hitachi, Ltd.
- Tadashi Takahashi
- 324 - Electricity: measuring and testing
Information Patent Grant
Electric motor actuator
- Patent number 5,101,148
- Issue date Mar 31, 1992
- Hitachi, Ltd.
- Seizi Yamashita
- G05 - CONTROLLING REGULATING
Information Patent Grant
Electric power steering control system
- Patent number 4,875,539
- Issue date Oct 24, 1989
- Hitachi, Ltd.
- Toshimi Abukawa
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Torque detecting apparatus
- Patent number 4,874,053
- Issue date Oct 17, 1989
- Hitachi, Ltd.
- Hiroshi Kimura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Structure of stepping motor and method of driving the stepping motor
- Patent number 4,857,786
- Issue date Aug 15, 1989
- Hitachi, Ltd.
- Hideki Nihei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for magnetically detecting position or speed or moving bo...
- Patent number 4,818,939
- Issue date Apr 4, 1989
- Hitachi, Ltd.
- Tadashi Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Linear motor and control method thereof
- Patent number 4,678,971
- Issue date Jul 7, 1987
- Hitachi, Ltd.
- Hiroshi Kanazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronized induction motor
- Patent number 4,454,438
- Issue date Jun 12, 1984
- Hitachi, Ltd.
- Seizi Yamashita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stator of D.C. rotary machine
- Patent number 4,451,752
- Issue date May 29, 1984
- Hitachi, Ltd.
- Kazuo Tahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Induction motor
- Patent number 4,409,506
- Issue date Oct 11, 1983
- Hitachi, Ltd.
- Motoya Ito
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Permanent magnet rotor
- Patent number 4,403,161
- Issue date Sep 6, 1983
- Hitachi, Ltd.
- Kunio Miyashita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Armature of electric rotating machine
- Patent number 4,341,971
- Issue date Jul 27, 1982
- Hitachi, Ltd.
- Kazuo Tohara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Slotless brushless motor
- Patent number 4,336,475
- Issue date Jun 22, 1982
- Hitachi, Ltd.
- Shigeki Morinaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetron comprising ferromagnetic material members axially magneti...
- Patent number 4,166,235
- Issue date Aug 28, 1979
- Hitachi, Ltd.
- Seizi Yamashita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stress protection for permanent magnet type synchronous motor
- Patent number 4,144,469
- Issue date Mar 13, 1979
- Hitachi, Ltd.
- Kunio Miyashita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Seizi Yamashita

Person

Patents Grantslast 30 patents

Apparatus magnetically detecting position or speed of moving body u...

Electric motor actuator

Electric power steering control system

Torque detecting apparatus

Structure of stepping motor and method of driving the stepping motor

Apparatus for magnetically detecting position or speed or moving bo...

Linear motor and control method thereof

Synchronized induction motor

Stator of D.C. rotary machine

Induction motor

Permanent magnet rotor

Armature of electric rotating machine

Slotless brushless motor

Magnetron comprising ferromagnetic material members axially magneti...

Stress protection for permanent magnet type synchronous motor