Hiromu Hirai

Person

Yatabe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Positioning control system for moving element and laser drilling ma...
- Patent number 8,872,064
- Issue date Oct 28, 2014
- Via Mechanics, Ltd.
- Takashi Ono
- G05 - CONTROLLING REGULATING
Information Patent Grant
Moving object feed-forward control method
- Patent number 8,452,424
- Issue date May 28, 2013
- National Univeristy Corporation Nagoya Institute of Technology
- Noriaki Hirose
- G05 - CONTROLLING REGULATING
Information Patent Grant
Servo control system for movable body, and laser drilling machine
- Patent number 7,768,225
- Issue date Aug 3, 2010
- Hitachi Via Mechanics Ltd.
- Souichi Toyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rocking actuator and laser machining apparatus
- Patent number 7,629,714
- Issue date Dec 8, 2009
- Hitachi Via Mechanics, Ltd.
- Souichi Toyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Controller for optical scanner
- Patent number 6,703,603
- Issue date Mar 9, 2004
- Hitachi Via Mechanics, Ltd.
- Souichi Tohyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Magnetic disk apparatus with slider and slider supporting mechanism...
- Patent number 6,181,524
- Issue date Jan 30, 2001
- Hitachi, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage device capable of using both optical and magnetic disk unit...
- Patent number 5,666,334
- Issue date Sep 9, 1997
- Hitachi, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary information recording/reproducing apparatus carriage actuato...
- Patent number 5,486,965
- Issue date Jan 23, 1996
- Hitachi, Ltd.
- Takeshi Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk apparatus and its control method
- Patent number 5,404,255
- Issue date Apr 4, 1995
- Hitachi, Ltd.
- Masahito Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk unit and manufacturing method of carriage structure t...
- Patent number 5,301,078
- Issue date Apr 5, 1994
- Hitachi, Ltd.
- Toshiaki Makino
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive and method of controlling the same
- Patent number 5,229,896
- Issue date Jul 20, 1993
- Hitachi, Ltd.
- Souichi Tohyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk system with sub-actuators for fine head displacement
- Patent number 5,189,578
- Issue date Feb 23, 1993
- Hitachi, Ltd.
- Kenji Mori
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for control of positioning
- Patent number 5,164,931
- Issue date Nov 17, 1992
- Hitachi, Ltd.
- Takashi Yamaguchi
- G05 - CONTROLLING REGULATING
Information Patent Grant
Sample moving apparatus, sample moving system and semiconductor man...
- Patent number 5,073,912
- Issue date Dec 17, 1991
- Hitachi, Ltd.
- Isao Kobayashi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of and apparatus for conveying object by utilizing vibration
- Patent number 4,997,177
- Issue date Mar 5, 1991
- Hitachi, Ltd.
- Kenji Mori
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and apparatus for driving a servo system while suppressing r...
- Patent number 4,956,789
- Issue date Sep 11, 1990
- Hitachi, Ltd.
- Yoosuke Hamada
- G05 - CONTROLLING REGULATING
Information Patent Grant
Table device
- Patent number 4,667,139
- Issue date May 19, 1987
- Hitachi, Ltd.
- Hiromu Hirai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electric servo system
- Patent number 4,587,469
- Issue date May 6, 1986
- Hitachi, Ltd.
- Yo Ikebe
- G05 - CONTROLLING REGULATING
Information Patent Grant
Tape transport control unit
- Patent number 4,525,654
- Issue date Jun 25, 1985
- Hitachi, Ltd.
- Fujio Tajima
- G11 - INFORMATION STORAGE
Information Patent Grant
Sheet feeding apparatus
- Patent number 4,430,606
- Issue date Feb 7, 1984
- Hitachi, Ltd.
- Haruaki Otsuki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Velocity feedback circuit
- Patent number 4,418,305
- Issue date Nov 29, 1983
- Hitachi, Ltd.
- Haruaki Otsuki
- G05 - CONTROLLING REGULATING
Information Patent Grant
Stability control system for vibration test device
- Patent number 4,297,888
- Issue date Nov 3, 1981
- Hitachi, Ltd.
- Hiromu Hirai
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for limiting acceleration in a servosystem
- Patent number 4,280,083
- Issue date Jul 21, 1981
- Hitachi, Ltd.
- Hiromu Hirai
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
MOVING OBJECT FEED-FORWARD CONTROL METHOD
- Publication number 20110087340
- Publication date Apr 14, 2011
- National University Corporation Nagoya Institute of Technology
- Noriaki Hirose
- G05 - CONTROLLING REGULATING
Information Patent Application
Rocking Actuator and Laser Machining Apparatus
- Publication number 20080036309
- Publication date Feb 14, 2008
- HITACHI VIA MECHANICS, LTD.
- Souichi Toyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Positioning control system for moving element and laser drilling ma...
- Publication number 20070227773
- Publication date Oct 4, 2007
- HITACHI VIA MECHANICS, LTD.
- Takashi Ono
- G05 - CONTROLLING REGULATING
Information Patent Application
Servo control system for movable body, and laser drilling machine
- Publication number 20050187650
- Publication date Aug 25, 2005
- Hitachi Via Mechanics Ltd.
- Souichi Toyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Controller for optical scanner
- Publication number 20030102427
- Publication date Jun 5, 2003
- Hitachi Via Mechanics, Ltd.
- Souichi Tohyama
- G02 - OPTICS

Hiromu Hirai

Person

Patents Grantslast 30 patents

Positioning control system for moving element and laser drilling ma...

Moving object feed-forward control method

Servo control system for movable body, and laser drilling machine

Rocking actuator and laser machining apparatus

Controller for optical scanner

Magnetic disk apparatus with slider and slider supporting mechanism...

Storage device capable of using both optical and magnetic disk unit...

Rotary information recording/reproducing apparatus carriage actuato...

Disk apparatus and its control method

Magnetic disk unit and manufacturing method of carriage structure t...

Disk drive and method of controlling the same

Disk system with sub-actuators for fine head displacement

Method and apparatus for control of positioning

Sample moving apparatus, sample moving system and semiconductor man...

Method of and apparatus for conveying object by utilizing vibration

Method and apparatus for driving a servo system while suppressing r...

Table device

Electric servo system

Tape transport control unit

Sheet feeding apparatus

Velocity feedback circuit

Stability control system for vibration test device

Apparatus for limiting acceleration in a servosystem

Patents Applicationslast 30 patents

MOVING OBJECT FEED-FORWARD CONTROL METHOD

Rocking Actuator and Laser Machining Apparatus

Positioning control system for moving element and laser drilling ma...

Servo control system for movable body, and laser drilling machine

Controller for optical scanner