Yoshio Iwai

Person

Kanazawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Retardation matching using the liquid crystal twist angle for diffe...
- Patent number 6,661,484
- Issue date Dec 9, 2003
- Matsushita Electric Industrial Co., Ltd.
- Yoshio Iwai
- G02 - OPTICS
Information Patent Grant
Reflection type liquid crystal display device
- Patent number 6,633,352
- Issue date Oct 14, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hisanori Yamaguchi
- G02 - OPTICS
Information Patent Grant
Reflection liquid crystal display device
- Patent number 6,567,149
- Issue date May 20, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hisanori Yamaguchi
- G02 - OPTICS
Information Patent Grant
Reflection liquid crystal display element
- Patent number 6,480,251
- Issue date Nov 12, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hisanori Yamaguchi
- G02 - OPTICS
Information Patent Grant
Reflective liquid crystal display device
- Patent number 6,407,787
- Issue date Jun 18, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tomoaki Sekime
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device, and video display apparatus, informa...
- Patent number 6,392,722
- Issue date May 21, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tomoaki Sekime
- G02 - OPTICS
Information Patent Grant
Reflection type liquid crystal display element
- Patent number 6,373,541
- Issue date Apr 16, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tomoaki Sekime
- G02 - OPTICS
Information Patent Grant
Reflective liquid crystal display device
- Patent number 6,297,863
- Issue date Oct 2, 2001
- Matsushita Electric Industrial Co. Ltd.
- Hisanori Yamaguchi
- G02 - OPTICS
Information Patent Grant
Reflection type liquid crystal display device
- Patent number 6,278,508
- Issue date Aug 21, 2001
- Matsushita Electric Industrial Co., Ltd.
- Tetsu Ogawa
- G02 - OPTICS
Information Patent Grant
Reflective liquid crystal display device
- Patent number 6,271,905
- Issue date Aug 7, 2001
- Matsushita Electric Industrial Co., Ltd.
- Tomoaki Sekime
- G02 - OPTICS
Information Patent Grant
Liquid crystal display apparatus having a random orientation alignm...
- Patent number 5,446,569
- Issue date Aug 29, 1995
- Matsushita Electric Industrial Co., Ltd.
- Yoshio Iwai
- G02 - OPTICS
Information Patent Grant
Pixel-gap controlled ferroelectric liquid crystal display device an...
- Patent number 5,151,803
- Issue date Sep 29, 1992
- Matsushita Electric Industrial Co., Ltd.
- Naohide Wakita
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
REFLECTION TYPE LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20030103175
- Publication date Jun 5, 2003
- HISANORI YAMAGUCHI
- G02 - OPTICS

Yoshio Iwai

Person

Patents Grantslast 30 patents

Retardation matching using the liquid crystal twist angle for diffe...

Reflection type liquid crystal display device

Reflection liquid crystal display device

Reflection liquid crystal display element

Reflective liquid crystal display device

Liquid crystal display device, and video display apparatus, informa...

Reflection type liquid crystal display element

Reflective liquid crystal display device

Reflection type liquid crystal display device

Reflective liquid crystal display device

Liquid crystal display apparatus having a random orientation alignm...

Pixel-gap controlled ferroelectric liquid crystal display device an...

Patents Applicationslast 30 patents

REFLECTION TYPE LIQUID CRYSTAL DISPLAY DEVICE