Yasuo Nakajima

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wide-angel aspheric zoom lens
- Patent number 5,552,937
- Issue date Sep 3, 1996
- Matsushita Electric Industrial Co., Ltd.
- Shusuke Ono
- G02 - OPTICS
Information Patent Grant
Zoom lens assembly
- Patent number 5,396,367
- Issue date Mar 7, 1995
- Matsushita Electric Industrial Co., Ltd.
- Shusuke Ono
- G02 - OPTICS
Information Patent Grant
Zoom lens
- Patent number 5,100,223
- Issue date Mar 31, 1992
- Matsushita Electric Industrial Co., Ltd.
- Shusuke Ono
- G02 - OPTICS
Information Patent Grant
Projection lens and projection television system using the same
- Patent number 5,099,361
- Issue date Mar 24, 1992
- Matsushita Electric Industrial Co., Ltd.
- Yoshiharu Yamamoto
- G02 - OPTICS
Information Patent Grant
Objective lens for optical disk system and optical head using the same
- Patent number 4,927,247
- Issue date May 22, 1990
- Matsushita Electric Industrial Co., Ltd.
- Yasuhiro Tanaka
- G02 - OPTICS
Information Patent Grant
Single optical lense with diffraction limit converging capability a...
- Patent number 4,842,388
- Issue date Jun 27, 1989
- Matsushita Electric Industrial Co., Ltd.
- Yasuhiro Tanaka
- G02 - OPTICS
Information Patent Grant
Selective shading device and an optical device using the same
- Patent number 4,810,076
- Issue date Mar 7, 1989
- Matsushita Electric Industrial Co. Ltd.
- Tsugio Murao
- G02 - OPTICS
Information Patent Grant
Projection lens for high definition TV
- Patent number 4,792,218
- Issue date Dec 20, 1988
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Nakajima
- G02 - OPTICS
Information Patent Grant
Projection lens
- Patent number 4,767,199
- Issue date Aug 30, 1988
- Matsushita Electric Industrial Co., Ltd.
- Yoshiharu Yamamoto
- G02 - OPTICS
Information Patent Grant
Color corrected projection lens
- Patent number 4,733,953
- Issue date Mar 29, 1988
- Matsushita Electric Industrial Co., Ltd.
- Yoshiharu Yamamoto
- G02 - OPTICS
Information Patent Grant
Projection lens
- Patent number 4,704,009
- Issue date Nov 3, 1987
- Matsushita Electric Industrial Co., Ltd.
- Yoshiharu Yamamoto
- G02 - OPTICS
Information Patent Grant
Compact projection lens
- Patent number 4,690,515
- Issue date Sep 1, 1987
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Nakajima
- G02 - OPTICS
Information Patent Grant
Projection lens apparatus
- Patent number 4,548,480
- Issue date Oct 22, 1985
- Matsushita Electric Industrial Co., Ltd.
- Yoshiharu Yamamoto
- G02 - OPTICS
Information Patent Grant
Projection television apparatus
- Patent number 4,453,178
- Issue date Jun 5, 1984
- Matsushita Electric Industrial Co., Ltd.
- Yoshito Miyatake
- G02 - OPTICS
Information Patent Grant
Optical configuration for projection television apparatus
- Patent number 4,400,722
- Issue date Aug 23, 1983
- Matsushita Electric Industrial Co., Ltd.
- Yoshito Miyatake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yasuo Nakajima

Person

Patents Grantslast 30 patents

Wide-angel aspheric zoom lens

Zoom lens assembly

Zoom lens

Projection lens and projection television system using the same

Objective lens for optical disk system and optical head using the same

Single optical lense with diffraction limit converging capability a...

Selective shading device and an optical device using the same

Projection lens for high definition TV

Projection lens

Color corrected projection lens

Projection lens

Compact projection lens

Projection lens apparatus

Projection television apparatus

Optical configuration for projection television apparatus