Akira Sekiguchi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Lamp, condensing optical system, and image display device
- Patent number 7,178,922
- Issue date Feb 20, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Akira Sekiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lamp, polarization converting optical system, condensing optical sy...
- Patent number 6,997,565
- Issue date Feb 14, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Akira Sekiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image display apparatus
- Patent number 6,846,080
- Issue date Jan 25, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Yoko Inoue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display projector
- Patent number 6,799,852
- Issue date Oct 5, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Akira Sekiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
LIGHT CONVERGING OPTICAL SYSTEM FOR CONVERGING LIGHT ONTO A REFLECT...
- Patent number 6,724,546
- Issue date Apr 20, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Junichi Nishimae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electromagnet relay
- Patent number 4,959,627
- Issue date Sep 25, 1990
- NEC Corporation
- Makoto Iizumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flat electromagnetic relay
- Patent number 4,290,037
- Issue date Sep 15, 1981
- Nippon Electric Co., Ltd.
- Takashi Inagawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Lamp, condensing optical system, and image display device
- Publication number 20050243572
- Publication date Nov 3, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Akira Sekiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Lamp polarization converting optical system, and image display system
- Publication number 20040252512
- Publication date Dec 16, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Akira Sekiguchi
- G02 - OPTICS
Information Patent Application
Lamp, condensing optical system, and image display device
- Publication number 20040070735
- Publication date Apr 15, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Akira Sekiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image display projector
- Publication number 20040070738
- Publication date Apr 15, 2004
- Akira Sekiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image display apparatus
- Publication number 20040041744
- Publication date Mar 4, 2004
- Yoko Inoue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Lamp, polarization converting optical system, condensing optical sy...
- Publication number 20040021827
- Publication date Feb 5, 2004
- Akira Sekiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Light converging optical system for converging light onto a reflect...
- Publication number 20030202259
- Publication date Oct 30, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Junichi Nishimae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Akira Sekiguchi

Person

Patents Grantslast 30 patents

Lamp, condensing optical system, and image display device

Lamp, polarization converting optical system, condensing optical sy...

Image display apparatus

Image display projector

LIGHT CONVERGING OPTICAL SYSTEM FOR CONVERGING LIGHT ONTO A REFLECT...

Electromagnet relay

Flat electromagnetic relay

Patents Applicationslast 30 patents

Lamp, condensing optical system, and image display device

Lamp polarization converting optical system, and image display system

Lamp, condensing optical system, and image display device

Image display projector

Image display apparatus

Lamp, polarization converting optical system, condensing optical sy...

Light converging optical system for converging light onto a reflect...