Toshihiko Matsuda

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor power conversion apparatus
- Patent number 8,213,146
- Issue date Jul 3, 2012
- Hitachi, Ltd.
- Shuji Katoh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Distributed control system and method of configuring the system
- Patent number 5,978,851
- Issue date Nov 2, 1999
- Hitachi, Ltd.
- Masahiro Kayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for inputting character data
- Patent number 5,857,034
- Issue date Jan 5, 1999
- Hitachi, Ltd.
- Masayuki Tsuchiya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-written character recognition apparatus with a personal dictio...
- Patent number 5,592,565
- Issue date Jan 7, 1997
- Hitachi, Ltd.
- Hiroshi Shojima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Printer and computer system with detachable built-in printer
- Patent number 5,559,932
- Issue date Sep 24, 1996
- Hitachi, Ltd.
- Tetsuo Machida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Programmable controller and sequence control method
- Patent number 5,504,930
- Issue date Apr 2, 1996
- Hitachi, Ltd.
- Mitsuaki Kobayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic detector using Matteucci effect
- Patent number 5,446,377
- Issue date Aug 29, 1995
- Hitachi, Ltd.
- Kaneo Mohri
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Coordinate input device using Matteucci effect
- Patent number 5,298,689
- Issue date Mar 29, 1994
- Hitachi, Ltd.
- Kaneo Mohri
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for producing from document image a form display...
- Patent number 5,228,100
- Issue date Jul 13, 1993
- Hitachi, Ltd.
- Haruo Takeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-written character recognition apparatus with a personal dictio...
- Patent number 5,191,622
- Issue date Mar 2, 1993
- Hitachi, Ltd.
- Hiroshi Shojima
- G06 - COMPUTING CALCULATING COUNTING
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
Control apparatus for inverter for driving AC motor
- Patent number 4,965,504
- Issue date Oct 23, 1990
- Hitachi, Ltd.
- Shigeta Ueda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Coordinate input apparatus
- Patent number 4,872,000
- Issue date Oct 3, 1989
- Hitachi, Ltd.
- Mitsunari Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Speed detecting apparatus
- Patent number 4,839,834
- Issue date Jun 13, 1989
- Hitachi, Ltd.
- Tsutomu Omae
- G01 - MEASURING TESTING
Information Patent Grant
Speed control apparatus for motor
- Patent number 4,814,678
- Issue date Mar 21, 1989
- Hitachi, Ltd.
- Tsutomu Omae
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Load current detecting device for pulse width modulation inverter
- Patent number 4,772,996
- Issue date Sep 20, 1988
- Hitachi, Ltd.
- Hiroyuki Hanei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Speed detecting method and apparatus
- Patent number 4,584,528
- Issue date Apr 22, 1986
- Hitachi, Ltd.
- Tsutomu Ohmae
- G01 - MEASURING TESTING
Information Patent Grant
Control apparatus for rotation type storage device
- Patent number 4,507,693
- Issue date Mar 26, 1985
- Hitachi, Ltd.
- Toshihiko Matsuda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for controlling load current
- Patent number 4,468,724
- Issue date Aug 28, 1984
- Hitachi, Ltd.
- Tsutomu Omae
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for controlling firing phases of thyristors
- Patent number 4,337,509
- Issue date Jun 29, 1982
- Hitachi, Ltd.
- Tsutomu Omae
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR POWER CONVERSION APPARATUS
- Publication number 20100321847
- Publication date Dec 23, 2010
- Shuji KATOH
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor Power Conversion Apparatus
- Publication number 20080084642
- Publication date Apr 10, 2008
- Shuji Kato
- H03 - BASIC ELECTRONIC CIRCUITRY

Toshihiko Matsuda

Person

Patents Grantslast 30 patents

Semiconductor power conversion apparatus

Distributed control system and method of configuring the system

System for inputting character data

Hand-written character recognition apparatus with a personal dictio...

Printer and computer system with detachable built-in printer

Programmable controller and sequence control method

Magnetic detector using Matteucci effect

Coordinate input device using Matteucci effect

Method and system for producing from document image a form display...

Hand-written character recognition apparatus with a personal dictio...

Actuator

Control apparatus for inverter for driving AC motor

Coordinate input apparatus

Speed detecting apparatus

Speed control apparatus for motor

Load current detecting device for pulse width modulation inverter

Speed detecting method and apparatus

Control apparatus for rotation type storage device

Method and apparatus for controlling load current

Method and apparatus for controlling firing phases of thyristors

Patents Applicationslast 30 patents

SEMICONDUCTOR POWER CONVERSION APPARATUS

Semiconductor Power Conversion Apparatus