Hiroshi Hayashida

Person

Tokaimura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Actuator
- Patent number 4,983,875
- Issue date Jan 8, 1991
- Hitachi, Ltd.
- Ryoso Masaki
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Actuator with stepping motion function
- Patent number 4,983,893
- Issue date Jan 8, 1991
- Hitachi, Ltd.
- Kunio Miyashita
- G05 - CONTROLLING REGULATING
Information Patent Grant
Low-speed high-torque motor
- Patent number 4,890,024
- Issue date Dec 26, 1989
- Hitachi, Ltd.
- Ichiro Hashimoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus therefor in motor speed control
- Patent number 4,638,225
- Issue date Jan 20, 1987
- Hitachi, Ltd.
- Shigeki Morinaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magneto resistive sensor for detecting movement of a rotating body
- Patent number 4,628,259
- Issue date Dec 9, 1986
- Hitachi, Ltd.
- Tadashi Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Device for detecting the relative and absolute position of a moving...
- Patent number 4,599,561
- Issue date Jul 8, 1986
- Hitachi, Ltd.
- Tadashi Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for counting an infinite length with a counter...
- Patent number 4,586,152
- Issue date Apr 29, 1986
- Hitachi, Ltd.
- Hiroshi Hayashida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and system for controlling speed of electric motor
- Patent number 4,580,084
- Issue date Apr 1, 1986
- Hitachi, Ltd.
- Tadashi Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for position control of an electric motor
- Patent number 4,558,265
- Issue date Dec 10, 1985
- Hitachi, Ltd.
- Hiroshi Hayashida
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method for controlling angular position and apparatus therefor
- Patent number 4,473,786
- Issue date Sep 25, 1984
- Hitachi, Ltd.
- Kunio Miyashita
- G05 - CONTROLLING REGULATING
Information Patent Grant
Magnetic rotary encoder
- Patent number 4,418,372
- Issue date Nov 29, 1983
- Hitachi, Ltd.
- Hiroshi Hayashida
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic head for sensing the position of a moving member
- Patent number 4,403,187
- Issue date Sep 6, 1983
- Hitachi, Ltd.
- Tadashi Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Variable speed control apparatus for induction motor
- Patent number 4,099,108
- Issue date Jul 4, 1978
- Hitachi, Ltd.
- Tadashi Okawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Hiroshi Hayashida

Person

Patents Grantslast 30 patents

Actuator

Actuator with stepping motion function

Low-speed high-torque motor

Method and apparatus therefor in motor speed control

Magneto resistive sensor for detecting movement of a rotating body

Device for detecting the relative and absolute position of a moving...

Method and apparatus for counting an infinite length with a counter...

Method and system for controlling speed of electric motor

Method and apparatus for position control of an electric motor

Method for controlling angular position and apparatus therefor

Magnetic rotary encoder

Magnetic head for sensing the position of a moving member

Variable speed control apparatus for induction motor