Hoko Hirai

Person

Saitama-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Pumping circuit and flat panel display device
- Patent number 7,019,735
- Issue date Mar 28, 2006
- Kabushiki Kaisha Toshiba
- Yasushi Sasaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pumping circuit and flat panel display device
- Patent number 6,617,796
- Issue date Sep 9, 2003
- Kabushiki Kaisha Toshiba
- Yasushi Sasaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Liquid crystal display device
- Patent number 6,414,668
- Issue date Jul 2, 2002
- Kabushiki Kaisha Toshiba
- Masao Karube
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Multi-gradation liquid crystal display apparatus with dual display...
- Patent number 5,874,933
- Issue date Feb 23, 1999
- Kabushiki Kaisha Toshiba
- Hoko Hirai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device in which no sticking phenomenon occur...
- Patent number 5,682,217
- Issue date Oct 28, 1997
- Kabushiki Kaisha Toshiba
- Yuzo Hisatake
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 5,646,643
- Issue date Jul 8, 1997
- Kabushiki Kaisha Toshiba
- Hoko Hirai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device
- Patent number 5,619,221
- Issue date Apr 8, 1997
- Kabushiki Kaisha Toshiba
- Hoko Hirai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display system
- Patent number 5,606,342
- Issue date Feb 25, 1997
- Kabushiki Kaisha Toshiba
- Masato Shoji
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device
- Patent number 5,434,599
- Issue date Jul 18, 1995
- Kabushiki Kaisha Toshiba
- Hoko Hirai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device
- Patent number 5,093,741
- Issue date Mar 3, 1992
- Kabushiki Kaisha Toshiba
- Kiyoshi Shohara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Pumping circuit and flat panel display device
- Publication number 20040012584
- Publication date Jan 22, 2004
- KABUSHIKI KAISHA TOSHIBA
- Yasushi Sasaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20020050964
- Publication date May 2, 2002
- MASAO KARUBE
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Pumping circuit and flat panel display device
- Publication number 20020011798
- Publication date Jan 31, 2002
- KABUSHIKI KAISHA TOSHIBA
- Yasushi Sasaki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Person

Patents Grantslast 30 patents

Pumping circuit and flat panel display device

Pumping circuit and flat panel display device

Liquid crystal display device

Multi-gradation liquid crystal display apparatus with dual display...

Liquid crystal display device in which no sticking phenomenon occur...

Liquid crystal display device

Liquid crystal display device

Liquid crystal display system

Liquid crystal display device

Liquid crystal display device

Patents Applicationslast 30 patents

Pumping circuit and flat panel display device

LIQUID CRYSTAL DISPLAY DEVICE

Pumping circuit and flat panel display device