Tetsuo Ito

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of forming thin film magnetic recording head with narrow tra...
- Patent number 6,530,141
- Issue date Mar 11, 2003
- Hitachi, Ltd.
- Matahiro Komuro
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving device and optical disc apparatus
- Patent number 6,496,451
- Issue date Dec 17, 2002
- Hitachi, Ltd.
- Katsuhiko Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic recording head with very narrow track width perf...
- Patent number 6,091,582
- Issue date Jul 18, 2000
- Hitachi, Ltd.
- Matahiro Komuro
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Plant operating and monitoring apparatus
- Patent number 5,777,896
- Issue date Jul 7, 1998
- Hitachi, Ltd.
- Setsuo Arita
- G05 - CONTROLLING REGULATING
Information Patent Grant
Plant operating and monitoring apparatus
- Patent number 5,748,495
- Issue date May 5, 1998
- Hitachi, Ltd.
- Setsuo Arita
- G05 - CONTROLLING REGULATING
Information Patent Grant
Information processing apparatus having a neural network and an exp...
- Patent number 5,701,394
- Issue date Dec 23, 1997
- Hitachi, Ltd.
- Setsuo Arita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Automatic alarm display processing system in plant
- Patent number 5,581,242
- Issue date Dec 3, 1996
- Hitachi, Ltd.
- Setsuo Arita
- G05 - CONTROLLING REGULATING
Information Patent Grant
Multicontroller apparatus, multicontroller system, nuclear reactor...
- Patent number 5,287,264
- Issue date Feb 15, 1994
- Hitachi, Ltd.
- Setsuo Arita
- G05 - CONTROLLING REGULATING
Information Patent Grant
Multiplex control system
- Patent number 5,095,418
- Issue date Mar 10, 1992
- Hitachi, Ltd.
- Setsuo Arita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multiplex control system
- Patent number 4,989,129
- Issue date Jan 29, 1991
- Hitachi, Ltd.
- Setsuo Arita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Nuclear power plant
- Patent number 4,879,087
- Issue date Nov 7, 1989
- Hitachi, Ltd.
- Takao Akiyama
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Method and apparatus for controlling centrifugal thin film dryer
- Patent number 4,872,948
- Issue date Oct 10, 1989
- Hitachi, Ltd.
- Mitsuo Kinoshita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Optical recording and reproducing device
- Patent number 4,811,328
- Issue date Mar 7, 1989
- Hitachi, Ltd.
- Tetsuo Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Beam spot control device using a thin micro lens with an actuator
- Patent number 4,775,967
- Issue date Oct 4, 1988
- Hitachi, Ltd.
- Satoshi Shimada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording device
- Patent number 4,773,060
- Issue date Sep 20, 1988
- Hitachi, Ltd.
- Satoshi Shimada
- G11 - INFORMATION STORAGE
Information Patent Grant
Light signal transmission/reception system
- Patent number 4,742,575
- Issue date May 3, 1988
- Hitachi, Ltd.
- Setsuo Arita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of applying a resist
- Patent number 4,738,910
- Issue date Apr 19, 1988
- Hitachi, Ltd.
- Tetsuo Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical information apparatus and method of recording and erasing i...
- Patent number 4,718,053
- Issue date Jan 5, 1988
- Hitachi, Ltd.
- Yoshio Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Image transmission system
- Patent number 4,673,974
- Issue date Jun 16, 1987
- Hitachi, Ltd.
- Tetsuo Ito
- G08 - SIGNALLING
Information Patent Grant
Method and apparatus for detecting the position of a movable object...
- Patent number 4,654,590
- Issue date Mar 31, 1987
- Hitachi, Ltd.
- Wataru Kitaura
- G01 - MEASURING TESTING
Information Patent Grant
Information recording medium
- Patent number 4,651,172
- Issue date Mar 17, 1987
- Hitachi, Ltd.
- Ryuji Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Multiplex transmission system
- Patent number 4,644,346
- Issue date Feb 17, 1987
- Hitachi, Ltd.
- Tetsuo Ito
- G08 - SIGNALLING
Information Patent Grant
Distributed control system
- Patent number 4,542,479
- Issue date Sep 17, 1985
- Hitachi, Ltd.
- Hiroshi Kamimura
- G05 - CONTROLLING REGULATING
Information Patent Grant
Signal diagnostic method and apparatus for multiple transmission sy...
- Patent number 4,520,483
- Issue date May 28, 1985
- Hitachi, Ltd.
- Setsuo Arita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of controlling nuclear power plant
- Patent number 4,440,715
- Issue date Apr 3, 1984
- Hitachi, Ltd.
- Takao Sato
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Multiple digital controller system
- Patent number 4,432,048
- Issue date Feb 14, 1984
- Hitachi, Ltd.
- Tetsuo Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Liquid crystal display device
- Patent number 4,400,059
- Issue date Aug 23, 1983
- Hitachi, Ltd.
- Yoshiharu Nagae
- G02 - OPTICS
Information Patent Grant
Charging current integrating type photodetectors
- Patent number 4,348,110
- Issue date Sep 7, 1982
- Hitachi, Ltd.
- Tetsuo Ito
- G01 - MEASURING TESTING
Information Patent Grant
Semiconductor switch
- Patent number 4,184,086
- Issue date Jan 15, 1980
- Hitachi, Ltd.
- Akio Sagawa
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Optical Pickup Device and Optical Disc Apparatus Using the Same
- Publication number 20090119692
- Publication date May 7, 2009
- Shinya Fujimori
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens driving device and optical disc apparatus
- Publication number 20020071376
- Publication date Jun 13, 2002
- Katsuhiko Kimura
- G11 - INFORMATION STORAGE
Information Patent Application
Method of forming thin film magnetic recording head with narrow tra...
- Publication number 20010027603
- Publication date Oct 11, 2001
- Matahiro Komuro
- B82 - NANO-TECHNOLOGY

Person

Patents Grantslast 30 patents

Method of forming thin film magnetic recording head with narrow tra...

Objective lens driving device and optical disc apparatus

Thin film magnetic recording head with very narrow track width perf...

Plant operating and monitoring apparatus

Plant operating and monitoring apparatus

Information processing apparatus having a neural network and an exp...

Automatic alarm display processing system in plant

Multicontroller apparatus, multicontroller system, nuclear reactor...

Multiplex control system

Multiplex control system

Nuclear power plant

Method and apparatus for controlling centrifugal thin film dryer

Optical recording and reproducing device

Beam spot control device using a thin micro lens with an actuator

Optical information recording device

Light signal transmission/reception system

Method of applying a resist

Optical information apparatus and method of recording and erasing i...

Image transmission system

Method and apparatus for detecting the position of a movable object...

Information recording medium

Multiplex transmission system

Distributed control system

Signal diagnostic method and apparatus for multiple transmission sy...

Method of controlling nuclear power plant

Multiple digital controller system

Liquid crystal display device

Charging current integrating type photodetectors

Semiconductor switch

Patents Applicationslast 30 patents

Optical Pickup Device and Optical Disc Apparatus Using the Same

Objective lens driving device and optical disc apparatus

Method of forming thin film magnetic recording head with narrow tra...