Tomiyoshi Ushiyama

Person

Nagano-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical element, polarization illumination device, and projector
- Patent number RE40251
- Issue date Apr 22, 2008
- Seiko Epson Corporation
- Yasunori Ogawa
- 359 - Optical: systems and elements
Information Patent Grant
Dichroic prism, prism unit, and projection display apparatus
- Patent number RE39859
- Issue date Sep 25, 2007
- Seiko Epson Corporation
- Tomiyoshi Ushiyama
- 359 - Optical: systems and elements
Information Patent Grant
Liquid crystal projector comprising a plurality of light shielding...
- Patent number 7,126,648
- Issue date Oct 24, 2006
- Seiko Epson Corporation
- Makoto Fuse
- G02 - OPTICS
Information Patent Grant
Optical element, polarization illumination device, and projector
- Patent number RE39243
- Issue date Aug 22, 2006
- Seiko Epson Corporation
- Yasunori Ogawa
- 359 - Optical: systems and elements
Information Patent Grant
Light-source lamp unit, light-source device and projection-type dis...
- Patent number 7,006,004
- Issue date Feb 28, 2006
- Seiko Epson Corporation
- Kiyoshi Miyashita
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optical component casing, optical device and projector
- Patent number 6,994,438
- Issue date Feb 7, 2006
- Seiko Epson Corporation
- Taisuke Uehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Circuit for driving light source, projector, method for controlling...
- Patent number 6,979,960
- Issue date Dec 27, 2005
- Seiko Epson Corporation
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Projector
- Patent number 6,805,450
- Issue date Oct 19, 2004
- Seiko Epson Corporation
- Kazuhiro Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-source lamp unit, light-source device and projection-type dis...
- Patent number 6,690,282
- Issue date Feb 10, 2004
- Seiko Epson Corporation
- Kiyoshi Miyashita
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Projection display device
- Patent number 6,637,886
- Issue date Oct 28, 2003
- Seiko Epson Corporation
- Tomiyoshi Ushiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection display device
- Patent number 6,612,702
- Issue date Sep 2, 2003
- Seiko Corporation
- Tomiyoshi Ushiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projector and prism used therein
- Patent number 6,556,256
- Issue date Apr 29, 2003
- Seiko Epson Corporation
- Hisamaro Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projector
- Patent number 6,547,401
- Issue date Apr 15, 2003
- Seiko Epson Corporation
- Kazuhiro Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projector
- Patent number 6,443,576
- Issue date Sep 3, 2002
- Seiko Epson Corporation
- Kazuhiro Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projector
- Patent number 6,371,617
- Issue date Apr 16, 2002
- Seiko Epson Corporation
- Kazuhiro Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-source lamp unit, light-source device and projection-type dis...
- Patent number 6,268,799
- Issue date Jul 31, 2001
- Seiko Epson Corporation
- Kiyoshi Miyashita
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Dichroic prism, prism unit, and projection display apparatus
- Patent number 6,141,150
- Issue date Oct 31, 2000
- Seiko Epson Corporation
- Tomiyoshi Ushiyama
- G02 - OPTICS
Information Patent Grant
Polarizing illumination device and projection display device
- Patent number 6,092,901
- Issue date Jul 25, 2000
- Seiko Epson Corporation
- Toshiaki Hashizume
- G02 - OPTICS
Information Patent Grant
Polarizing illumination device and projection display device
- Patent number 6,084,714
- Issue date Jul 4, 2000
- Seiko Epson Corporation
- Tomiyoshi Ushiyama
- G02 - OPTICS
Information Patent Grant
Replacement lamp for projector
- Patent number D420455
- Issue date Feb 8, 2000
- Seiko Epson Corporation
- Shinji Haba
- D26 - Lighting
Information Patent Grant
Optical element, polarization illumination device, and projection d...
- Patent number 5,978,136
- Issue date Nov 2, 1999
- Seiko Epson Corporation
- Yasunori Ogawa
- G02 - OPTICS
Information Patent Grant
Projection-type display apparatus
- Patent number 5,909,944
- Issue date Jun 8, 1999
- Seiko Epson Corporation
- Akitaka Yajima
- G02 - OPTICS
Information Patent Grant
Projection-type display apparatus
- Patent number 5,743,610
- Issue date Apr 28, 1998
- Seiko Epson Corporation
- Akitaka Yajima
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20080192210
- Publication date Aug 14, 2008
- SEIKO EPSON CORPORATION
- Tomiyoshi USHIYAMA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20080024853
- Publication date Jan 31, 2008
- SEIKO EPSON CORPORATION
- Kazuhiro TANAKA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Liquid crystal projector
- Publication number 20040263697
- Publication date Dec 30, 2004
- Makoto Fuse
- G02 - OPTICS
Information Patent Application
Optical component casing, optical device and projector
- Publication number 20040150800
- Publication date Aug 5, 2004
- SEIKO EPSON CORPORATION
- Taisuke Uehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Circuit for driving light source, projector, method for controlling...
- Publication number 20040136134
- Publication date Jul 15, 2004
- SEIKO EPSON CORPORATION
- Kazuo Okawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Light-source lamp unit, light-source device and projection-type dis...
- Publication number 20040080715
- Publication date Apr 29, 2004
- SEIKO EPSON CORPORATION
- Kiyoshi Miyashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Projection display device
- Publication number 20030107713
- Publication date Jun 12, 2003
- SEIKO EPSON CORPORATION
- Tomiyoshi Ushiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Projector
- Publication number 20020048000
- Publication date Apr 25, 2002
- Seiko Epson Corporation
- Kazuhiro Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Projector
- Publication number 20020027642
- Publication date Mar 7, 2002
- SEIKO EPSON CORPORATION
- Kazuhiro Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Light-source lamp unit, light-source device and projection-type dis...
- Publication number 20010005172
- Publication date Jun 28, 2001
- Seiko Epson
- Kiyoshi Miyashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tomiyoshi Ushiyama

Person

Patents Grantslast 30 patents

Optical element, polarization illumination device, and projector

Dichroic prism, prism unit, and projection display apparatus

Liquid crystal projector comprising a plurality of light shielding...

Optical element, polarization illumination device, and projector

Light-source lamp unit, light-source device and projection-type dis...

Optical component casing, optical device and projector

Circuit for driving light source, projector, method for controlling...

Projector

Light-source lamp unit, light-source device and projection-type dis...

Projection display device

Projection display device

Projector and prism used therein

Projector

Projector

Projector

Light-source lamp unit, light-source device and projection-type dis...

Dichroic prism, prism unit, and projection display apparatus

Polarizing illumination device and projection display device

Polarizing illumination device and projection display device

Replacement lamp for projector

Optical element, polarization illumination device, and projection d...

Projection-type display apparatus

Projection-type display apparatus

Patents Applicationslast 30 patents

LIGHT SOURCE DEVICE AND PROJECTOR

LIGHT SOURCE DEVICE AND PROJECTOR

Liquid crystal projector

Optical component casing, optical device and projector

Circuit for driving light source, projector, method for controlling...

Light-source lamp unit, light-source device and projection-type dis...

Projection display device

Projector

Projector

Light-source lamp unit, light-source device and projection-type dis...