Kyohei Fukuda

Person

Fujisawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for projecting image obtained by using liquid crystal panels...
- Patent number 5,875,006
- Issue date Feb 23, 1999
- Hitachi, Ltd.
- Yoshiharu Nagae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for projecting image obtained by using liquid crystal panels...
- Patent number 5,614,962
- Issue date Mar 25, 1997
- Hitachi, Ltd.
- Yoshiharu Nagae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for projecting image obtained by using liquid crystal panels...
- Patent number 5,404,175
- Issue date Apr 4, 1995
- Hitachi, Ltd.
- Yoshiharu Nagae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization transforming optics, polarizing beam splitter and liqu...
- Patent number 5,295,018
- Issue date Mar 15, 1994
- Hitachi, Ltd.
- Nobuhiro Konuma
- G02 - OPTICS
Information Patent Grant
Projection type stereoscopic image display system
- Patent number 5,162,897
- Issue date Nov 10, 1992
- Hitachi, Ltd.
- Hiroshi Jitsukata
- G02 - OPTICS
Information Patent Grant
Lens system for projection television receivers
- Patent number 5,029,993
- Issue date Jul 9, 1991
- Hitachi, Ltd.
- Kyohei Fukuda
- G02 - OPTICS
Information Patent Grant
Projection lens system
- Patent number 4,948,237
- Issue date Aug 14, 1990
- Hitachi, Ltd.
- Koji Hirata
- G02 - OPTICS
Information Patent Grant
Projection system with a cathode ray tube and a lens
- Patent number 4,933,599
- Issue date Jun 12, 1990
- Hitachi, Ltd.
- Kyohei Fukuda
- G02 - OPTICS
Information Patent Grant
Lens system for projection type television
- Patent number 4,924,244
- Issue date May 8, 1990
- Hitachi, Ltd.
- Hiroshi Kataoka
- G02 - OPTICS
Information Patent Grant
Lens system for projection television receivers
- Patent number 4,884,879
- Issue date Dec 5, 1989
- Hitachi, Ltd.
- Kyohei Fukuda
- G02 - OPTICS
Information Patent Grant
Projector using guest-host liquid crystal cells for improved color...
- Patent number 4,838,655
- Issue date Jun 13, 1989
- Hitachi, Ltd.
- Katuyuki Hunahata
- G02 - OPTICS
Information Patent Grant
Lens system for a cathode ray tube projection system
- Patent number 4,824,224
- Issue date Apr 25, 1989
- Hitachi, Ltd.
- Kyohei Fukuda
- G02 - OPTICS
Information Patent Grant
Projection system with a cathode ray tube and a lens
- Patent number 4,810,075
- Issue date Mar 7, 1989
- Hitachi, Ltd.
- Kyohei Fukuda
- G02 - OPTICS
Information Patent Grant
Projection lens for projection television
- Patent number 4,620,773
- Issue date Nov 4, 1986
- Hitachi, Ltd.
- Kyohei Fukuda
- G02 - OPTICS
Information Patent Grant
In-line type electromagnetic focusing cathode-ray tube
- Patent number 4,473,773
- Issue date Sep 25, 1984
- Hitachi, Ltd.
- Soichi Sakurai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic focusing, three in-line gun type color picture tube
- Patent number 4,460,844
- Issue date Jul 17, 1984
- Hitachi, Ltd.
- Soichi Sakurai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic focusing cathode-ray tube
- Patent number 4,439,710
- Issue date Mar 27, 1984
- Hitachi, Ltd.
- Kuniharu Osakabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color picture tube with a magnetic focusing device
- Patent number 4,362,964
- Issue date Dec 7, 1982
- Hitachi, Ltd.
- Soichi Sakurai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color picture tube with magnetic focusing system
- Patent number 4,345,183
- Issue date Aug 17, 1982
- Hitachi, Ltd.
- Kyohei Fukuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic focusing structure for three in-line gun type color pictur...
- Patent number 4,310,780
- Issue date Jan 12, 1982
- Hitachi, Ltd.
- Soichi Sakurai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun structure for a pickup tube
- Patent number 4,201,933
- Issue date May 6, 1980
- Hitachi, Ltd.
- Takanori Hisada
- H01 - BASIC ELECTRIC ELEMENTS

Kyohei Fukuda

Person

Patents Grantslast 30 patents

Method for projecting image obtained by using liquid crystal panels...

Method for projecting image obtained by using liquid crystal panels...

Method for projecting image obtained by using liquid crystal panels...

Polarization transforming optics, polarizing beam splitter and liqu...

Projection type stereoscopic image display system

Lens system for projection television receivers

Projection lens system

Projection system with a cathode ray tube and a lens

Lens system for projection type television

Lens system for projection television receivers

Projector using guest-host liquid crystal cells for improved color...

Lens system for a cathode ray tube projection system

Projection system with a cathode ray tube and a lens

Projection lens for projection television

In-line type electromagnetic focusing cathode-ray tube

Magnetic focusing, three in-line gun type color picture tube

Electromagnetic focusing cathode-ray tube

Color picture tube with a magnetic focusing device

Color picture tube with magnetic focusing system

Magnetic focusing structure for three in-line gun type color pictur...

Electron gun structure for a pickup tube