Masao Hagiwara

Person

Hiratusuka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Solenoid driving device
- Patent number 6,839,216
- Issue date Jan 4, 2005
- Komatsu Ltd.
- Masao Hagiwara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Saturable reactor and power source apparatus for pulse laser utiliz...
- Patent number 6,594,292
- Issue date Jul 15, 2003
- Komatsu Ltd.
- Yasufumi Kawasuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
DC-DC converter circuit and inductive load driver using it
- Patent number 5,844,786
- Issue date Dec 1, 1998
- Komatsu Ltd.
- Daisuke Yoshida
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Binary subtraction device
- Patent number 5,784,308
- Issue date Jul 21, 1998
- Kabushiki Kaisha Komatsu Seisakusho
- Makoto Takebe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DC-DC converter circuit and inductive load drive device using DC-DC...
- Patent number 5,773,969
- Issue date Jun 30, 1998
- Komatsu Ltd.
- Tetsuya Nakayama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Serial controller
- Patent number 5,587,995
- Issue date Dec 24, 1996
- Kabushiki Kaisha Komatsu Seisakusho
- Makoto Takebe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Serial controller
- Patent number 5,461,617
- Issue date Oct 24, 1995
- Kabushiki Kaisha Komatsu Seisakusho
- Makoto Takebe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for preventing erroneous operation when the clock is interru...
- Patent number 5,287,010
- Issue date Feb 15, 1994
- Hagiwara; Masao
- Masao Hagiwara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Offset drift reducing device for use in a differential amplificatio...
- Patent number 5,276,367
- Issue date Jan 4, 1994
- Kabushiki Kaisha Komatsu Seisakusho
- Kanji Shibatani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Data extracting circuit for serial control apparatus
- Patent number 5,204,865
- Issue date Apr 20, 1993
- Kabushiki Kaisha Komatsu Seisakusho
- Masakazu Moritoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for carrying out serial control and method of controlling...
- Patent number 5,170,338
- Issue date Dec 8, 1992
- Kabushiki Kaisha Komatsu Seisakusho
- Masakazu Moritoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for carrying out serial control
- Patent number 5,163,056
- Issue date Nov 10, 1992
- Kabushiki Kaisha Komatsu Seisakusho
- Masao Hagiwara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device for detecting the position of broken line in a series contro...
- Patent number 5,105,426
- Issue date Apr 14, 1992
- Kabushiki Kaisha Komatsu Seisakusho
- Masao Hagiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for carrying out serial control
- Patent number 5,095,417
- Issue date Mar 10, 1992
- Kabushiki Kaisha Komatsu Seisakusho
- Masao Hagiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SATURABLE REACTOR AND POWER SOURCE APPARATUS FOR PULSE LASER UTILIS...
- Publication number 20020176460
- Publication date Nov 28, 2002
- YASUFUMI KAWASUJI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Solenoid driving device
- Publication number 20020024793
- Publication date Feb 28, 2002
- Masao Hagiwara
- H01 - BASIC ELECTRIC ELEMENTS

Masao Hagiwara

Person

Patents Grantslast 30 patents

Solenoid driving device

Saturable reactor and power source apparatus for pulse laser utiliz...

DC-DC converter circuit and inductive load driver using it

Binary subtraction device

DC-DC converter circuit and inductive load drive device using DC-DC...

Serial controller

Serial controller

Device for preventing erroneous operation when the clock is interru...

Offset drift reducing device for use in a differential amplificatio...

Data extracting circuit for serial control apparatus

Apparatus for carrying out serial control and method of controlling...

Apparatus for carrying out serial control

Device for detecting the position of broken line in a series contro...

Apparatus for carrying out serial control

Patents Applicationslast 30 patents

SATURABLE REACTOR AND POWER SOURCE APPARATUS FOR PULSE LASER UTILIS...

Solenoid driving device