Masato Isogai

Person

Mito-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Battery control device and motor drive system
- Patent number 8,947,023
- Issue date Feb 3, 2015
- Hitachi, Ltd.
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery module, battery device, electric motor drive system and veh...
- Patent number 8,353,374
- Issue date Jan 15, 2013
- Hitachi Vehicle Energy, Ltd.
- Tatsuo Sugawara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
DC backup power supply system
- Patent number 7,495,415
- Issue date Feb 24, 2009
- Hitachi, Ltd.
- Akihiko Kanouda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
DC backup power supply device and method for diagnosing the same
- Patent number 7,245,469
- Issue date Jul 17, 2007
- Hitachi, Ltd.
- Minehiro Nemoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Backup power supply
- Patent number 7,157,810
- Issue date Jan 2, 2007
- Hitachi, Ltd.
- Akihiko Kanouda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Backup power supply
- Patent number 6,977,448
- Issue date Dec 20, 2005
- Hitachi, Ltd.
- Akihiko Kanouda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Nickel metal-hydride cell
- Patent number 6,593,031
- Issue date Jul 15, 2003
- Hitachi Maxell, Ltd.
- Masuhiro Onishi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Electric power system having series connected capacitor
- Patent number 6,430,066
- Issue date Aug 6, 2002
- Hitachi, Ltd.
- Akihiko Emori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Recording/reproducing method and recording/reproducing apparatus
- Patent number 5,898,607
- Issue date Apr 27, 1999
- Hitachi, Ltd.
- Toshiro Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
Dot-matrix type display device
- Patent number 5,313,293
- Issue date May 17, 1994
- Hitachi, Ltd.
- Jun-ichi Hirakata
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device and display apparatus using same
- Patent number 5,194,973
- Issue date Mar 16, 1993
- Hitachi, Ltd.
- Masato Isogai
- G02 - OPTICS
Information Patent Grant
Non-linear optical device
- Patent number 5,176,854
- Issue date Jan 5, 1993
- Hitachi, Ltd.
- Yuzo Ito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic non-linear optical device
- Patent number 5,101,411
- Issue date Mar 31, 1992
- Hitachi, Ltd.
- Hiromu Terao
- G02 - OPTICS
Information Patent Grant
Method and apparatus for forming a film
- Patent number 5,064,520
- Issue date Nov 12, 1991
- Hitachi, Ltd.
- Kiyoshi Miyake
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for driving liquid crystal element employing ferroelectric l...
- Patent number RE33120
- Issue date Nov 28, 1989
- Hitachi, Ltd.
- Yoshiharu Nagae
- 350 -
Information Patent Grant
Optical change-over switch utilizing ferroelectric liquid crystal m...
- Patent number 4,836,657
- Issue date Jun 6, 1989
- Hitachi, Ltd.
- Yasuhiro Gunji
- G02 - OPTICS
Information Patent Grant
Ferroelectric liquid crystal element with particular alignment film...
- Patent number 4,759,614
- Issue date Jul 26, 1988
- Hitachi, Ltd.
- Hisao Yokokura
- G02 - OPTICS
Information Patent Grant
Optical apparatus using ferroelectric liquid crystal and switching...
- Patent number 4,634,226
- Issue date Jan 6, 1987
- Hitachi, Ltd.
- Masato Isogai
- G02 - OPTICS
Information Patent Grant
Driving method and apparatus for optical printer with liquid-crysta...
- Patent number 4,591,886
- Issue date May 27, 1986
- Hitachi, Ltd.
- Takao Umeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical modulation element with surface parallel and unidirectional...
- Patent number 4,586,791
- Issue date May 6, 1986
- Hitachi, Ltd.
- Masato Isogai
- G02 - OPTICS
Information Patent Grant
Ferroelectric liquid crystal compounds and liquid crystal compositions
- Patent number 4,576,732
- Issue date Mar 18, 1986
- Hitachi, Ltd.
- Masato Isogai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for driving liquid crystal element employing ferroelectric l...
- Patent number 4,508,429
- Issue date Apr 2, 1985
- Hitachi, Ltd.
- Yoshiharu Nagae
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device
- Patent number 4,400,059
- Issue date Aug 23, 1983
- Hitachi, Ltd.
- Yoshiharu Nagae
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Battery Control Device and Motor Drive System
- Publication number 20120256569
- Publication date Oct 11, 2012
- Youhei Kawahara
- B60 - VEHICLES IN GENERAL
Information Patent Application
Battery Module, Battery Device, Electric Motor Drive System and Veh...
- Publication number 20100116570
- Publication date May 13, 2010
- HITACHI VEHICLE ENERGY, LTD.
- Tatsuo SUGAWARA
- B60 - VEHICLES IN GENERAL
Information Patent Application
DC backup power supply system
- Publication number 20050206242
- Publication date Sep 22, 2005
- Akihiko Kanouda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DC backup power supply system
- Publication number 20050146223
- Publication date Jul 7, 2005
- Akihiko Kanouda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Backup power supply
- Publication number 20040145926
- Publication date Jul 29, 2004
- Akihiko Kanouda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DC backup power supply device and method for diagnosing the same
- Publication number 20030231009
- Publication date Dec 18, 2003
- Minehiro Nemoto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DC backup power supply system
- Publication number 20030222618
- Publication date Dec 4, 2003
- Akihiko Kanouda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Backup power supply
- Publication number 20030184937
- Publication date Oct 2, 2003
- Hitachi, Ltd.
- Akihiko Kanouda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Backup power supply
- Publication number 20020186576
- Publication date Dec 12, 2002
- Akihiko Kanouda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Electric power system
- Publication number 20010028573
- Publication date Oct 11, 2001
- Akihiko Emori
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Masato Isogai

Person

Patents Grantslast 30 patents

Battery control device and motor drive system

Battery module, battery device, electric motor drive system and veh...

DC backup power supply system

DC backup power supply device and method for diagnosing the same

Backup power supply

Backup power supply

Nickel metal-hydride cell

Electric power system having series connected capacitor

Recording/reproducing method and recording/reproducing apparatus

Dot-matrix type display device

Liquid crystal display device and display apparatus using same

Non-linear optical device

Organic non-linear optical device

Method and apparatus for forming a film

Method for driving liquid crystal element employing ferroelectric l...

Optical change-over switch utilizing ferroelectric liquid crystal m...

Ferroelectric liquid crystal element with particular alignment film...

Optical apparatus using ferroelectric liquid crystal and switching...

Driving method and apparatus for optical printer with liquid-crysta...

Optical modulation element with surface parallel and unidirectional...

Ferroelectric liquid crystal compounds and liquid crystal compositions

Method for driving liquid crystal element employing ferroelectric l...

Liquid crystal display device

Patents Applicationslast 30 patents

Battery Control Device and Motor Drive System

Battery Module, Battery Device, Electric Motor Drive System and Veh...

DC backup power supply system

DC backup power supply system

Backup power supply

DC backup power supply device and method for diagnosing the same

DC backup power supply system

Backup power supply

Backup power supply

Electric power system