Kunio Miyashita

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Vacuum cleaner
- Patent number 5,381,584
- Issue date Jan 17, 1995
- Hitachi, Ltd.
- Fumio Jyoraku
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Method and apparatus for operating vacuum cleaner
- Patent number 5,294,872
- Issue date Mar 15, 1994
- Hitachi, Ltd.
- Haruo Koharagi
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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
Vacuum cleaner with fuzzy logic control
- Patent number 5,243,732
- Issue date Sep 14, 1993
- Hitachi, Ltd.
- Haruo Koharagi
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Device for detecting rotation of rotary shaft and rotation controll...
- Patent number 5,239,490
- Issue date Aug 24, 1993
- Hitachi, Ltd.
- Ryoso Masaki
- G01 - MEASURING TESTING
Information Patent Grant
Magneto resistive sensor for detecting movement of a rotating body
- Patent number RE34355
- Issue date Aug 24, 1993
- Hitachi, Ltd.
- Tadashi Takahashi
- 324 - Electricity: measuring and testing
Information Patent Grant
Control apparatus for electric generator
- Patent number 5,231,344
- Issue date Jul 27, 1993
- Hitachi Ltd.
- Katsuji Marumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for operating vacuum cleaner
- Patent number RE34286
- Issue date Jun 22, 1993
- Hitachi, Ltd.
- Hisanori Toyoshima
- 015 - Brushing, scrubbing, and general cleaning
Information Patent Grant
Motor control apparatus for an electric vacuum cleaner
- Patent number 5,166,585
- Issue date Nov 24, 1992
- Hitachi, Ltd.
- Haruo Koharagi
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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
Method and apparatus for operating vacuum cleaner
- Patent number 5,075,607
- Issue date Dec 24, 1991
- Hitachi, Ltd.
- Haruo Koharagi
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Permanent magnet reversible synchronous motor
- Patent number 5,038,065
- Issue date Aug 6, 1991
- Hitachi, Ltd.
- Jun Matsubayashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Speed control apparatus for movable equipment
- Patent number 5,023,924
- Issue date Jun 11, 1991
- Hitachi, Ltd.
- Fumio Tajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for detecting positions and/or speed of a movi...
- Patent number 5,019,773
- Issue date May 28, 1991
- Hitachi, Ltd.
- Yasuyuki Sugiura
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic position detection apparatus having two magnetic recording...
- Patent number 5,019,776
- Issue date May 28, 1991
- Hitachi, Ltd.
- Syooichi Kawamata
- G01 - MEASURING TESTING
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
Method and apparatus for operating vacuum cleaner
- Patent number 4,983,895
- Issue date Jan 8, 1991
- Hitachi, Ltd.
- Haruo Koharagi
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Speed control apparatus of movable equipment
- Patent number 4,980,617
- Issue date Dec 25, 1990
- Hitachi, Ltd.
- Fumio Tajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for operating vacuum cleaner
- Patent number 4,958,406
- Issue date Sep 25, 1990
- Hitachi, Ltd.
- Hisanori Toyoshima
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Permanent magnet type linear pulse motor
- Patent number 4,945,268
- Issue date Jul 31, 1990
- Hitachi, Ltd.
- Hideki Nihei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Torque detecting apparatus
- Patent number 4,939,435
- Issue date Jul 3, 1990
- Tadashi Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Position/speed detection method and apparatus
- Patent number 4,922,175
- Issue date May 1, 1990
- Hitachi, Ltd.
- Yasuyuki Sugiura
- G01 - MEASURING TESTING
Information Patent Grant
Low ripple-torque permanent magnet brushless motor
- Patent number 4,918,346
- Issue date Apr 17, 1990
- Hitachi, Ltd.
- Fumio Tajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for controlling the speed of moving body
- Patent number 4,914,361
- Issue date Apr 3, 1990
- Hitachi, Ltd.
- Fumio Tajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for magnetically detecting positions with minimum length...
- Patent number 4,904,937
- Issue date Feb 27, 1990
- Hitachi, Ltd.
- Tadashi Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
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 for operating vacuum cleaner
- Patent number 4,880,474
- Issue date Nov 14, 1989
- Hitachi, Ltd.
- Haruo Koharagi
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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
Speed control apparatus for a brushless direct current motor
- Patent number 4,855,652
- Issue date Aug 8, 1989
- Hitachi, Ltd.
- Koujirou Yamashita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Kunio Miyashita

Person

Patents Grantslast 30 patents

Vacuum cleaner

Method and apparatus for operating vacuum cleaner

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

Vacuum cleaner with fuzzy logic control

Device for detecting rotation of rotary shaft and rotation controll...

Magneto resistive sensor for detecting movement of a rotating body

Control apparatus for electric generator

Method and apparatus for operating vacuum cleaner

Motor control apparatus for an electric vacuum cleaner

Electric motor actuator

Method and apparatus for operating vacuum cleaner

Permanent magnet reversible synchronous motor

Speed control apparatus for movable equipment

Method and apparatus for detecting positions and/or speed of a movi...

Magnetic position detection apparatus having two magnetic recording...

Actuator with stepping motion function

Method and apparatus for operating vacuum cleaner

Speed control apparatus of movable equipment

Method and apparatus for operating vacuum cleaner

Permanent magnet type linear pulse motor

Torque detecting apparatus

Position/speed detection method and apparatus

Low ripple-torque permanent magnet brushless motor

Method and apparatus for controlling the speed of moving body

Apparatus for magnetically detecting positions with minimum length...

Low-speed high-torque motor

Method and apparatus for operating vacuum cleaner

Torque detecting apparatus

Structure of stepping motor and method of driving the stepping motor

Speed control apparatus for a brushless direct current motor