Tomohiro Sasagawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Planar light source device and liquid crystal display apparatus
- Patent number 9,753,213
- Issue date Sep 5, 2017
- Mitsubishi Electric Corporation
- Rena Nishitani
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 9,557,621
- Issue date Jan 31, 2017
- Mitsubishi Electric Corporation
- Akihiro Nagase
- G02 - OPTICS
Information Patent Grant
Optical element, screen, and display device
- Patent number 8,879,143
- Issue date Nov 4, 2014
- Mitsubishi Electric Corporation
- Satoru Okagaki
- G02 - OPTICS
Information Patent Grant
Backlight device and liquid crystal display apparatus
- Patent number 8,783,932
- Issue date Jul 22, 2014
- Mitsubishi Electric Corporation
- Rena Nishitani
- G02 - OPTICS
Information Patent Grant
Projection-type display apparatus
- Patent number 8,469,525
- Issue date Jun 25, 2013
- Mitsubishi Electric Corporation
- Kuniko Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection-type display apparatus with a projection optical system...
- Patent number 8,403,494
- Issue date Mar 26, 2013
- Mitsubishi Electric Corporation
- Kuniko Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection optical system and image display apparatus
- Patent number 8,337,024
- Issue date Dec 25, 2012
- Mitsubishi Electric Corporation
- Muneharu Kuwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image displaying apparatus and display controlling device
- Patent number 8,264,762
- Issue date Sep 11, 2012
- Mitsubishi Electric Corporation
- Yoko Inoue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image projection apparatus and projection optical system
- Patent number 8,139,166
- Issue date Mar 20, 2012
- Mitsubishi Electric Corporation
- Muneharu Kuwata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light diffusion element, screen, and image projector
- Patent number 8,134,526
- Issue date Mar 13, 2012
- Mitsubishi Electric Corporation
- Muneharu Kuwata
- G02 - OPTICS
Information Patent Grant
Illumination light source and image display apparatus
- Patent number 7,936,419
- Issue date May 3, 2011
- Mitsubishi Electric Corporation
- Rena Murase
- G02 - OPTICS
Information Patent Grant
Laser light beam coupling apparatus
- Patent number 7,830,609
- Issue date Nov 9, 2010
- Mitsubishi Electric Corporation
- Yoko Inoue
- G02 - OPTICS
Information Patent Grant
Image display projector having a drive unit for moving either a Fre...
- Patent number 7,816,637
- Issue date Oct 19, 2010
- Mitsubishi Electric Corporation
- Atsushi Michimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection display apparatus
- Patent number 7,794,093
- Issue date Sep 14, 2010
- Mitsubishi Electric Corporation
- Kuniko Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image projector
- Patent number 7,677,738
- Issue date Mar 16, 2010
- Mitsubishi Electric Corporation
- Muneharu Kuwata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illumination light source and image display apparatus
- Patent number 7,672,550
- Issue date Mar 2, 2010
- Mitsubishi Electric Corporation
- Rena Murase
- G02 - OPTICS
Information Patent Grant
Projection-type image display apparatus
- Patent number 7,652,819
- Issue date Jan 26, 2010
- Mitsubishi Electric Corporation
- Norihiro Watanabe
- G02 - OPTICS
Information Patent Grant
Image display apparatus and image display method
- Patent number 7,609,427
- Issue date Oct 27, 2009
- Mitsubishi Electric Corporation
- Jun Someya
- G02 - OPTICS
Information Patent Grant
Display device with light guide plate having antireflection portion...
- Patent number 7,576,805
- Issue date Aug 18, 2009
- Mitsubishi Denki Kabushiki Kaisha
- Atsushi Ito
- G02 - OPTICS
Information Patent Grant
Two sided liquid crystal display device having independently driven...
- Patent number 7,397,521
- Issue date Jul 8, 2008
- Mitsubishi Denki Kabushiki Kaisha
- Akimasa Yuuki
- G02 - OPTICS
Information Patent Grant
Display unit and electronic apparatus with display unit
- Patent number 7,210,836
- Issue date May 1, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Tomohiro Sasagawa
- G02 - OPTICS
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
Double-sided liquid crystal display device
- Patent number 7,139,053
- Issue date Nov 21, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Akimasa Yuuki
- G02 - OPTICS
Information Patent Grant
Imaging apparatus including a plurality of photoelectric transfer d...
- Patent number 7,098,953
- Issue date Aug 29, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuo Inoue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stereoscopic image display apparatus
- Patent number 7,057,638
- Issue date Jun 6, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Akimasa Yuuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Double-side liquid crystal display device and information appliance
- Patent number 7,002,649
- Issue date Feb 21, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Akimasa Yuuki
- G02 - OPTICS
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
Light diffusion film, plane light source device and liquid crystal...
- Patent number 6,917,396
- Issue date Jul 12, 2005
- Daicel Chemical Industries, Ltd.
- Masanori Hiraishi
- G02 - OPTICS
Information Patent Grant
Laser heat treatment method, laser heat treatment apparatus, and se...
- Patent number 6,753,548
- Issue date Jun 22, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuya Ogawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Reflective liquid crystal display device
- Patent number 6,738,116
- Issue date May 18, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Tomohiro Sasagawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20180203297
- Publication date Jul 19, 2018
- Mitsubishi Electric Corporation
- Tetsuo FUNAKURA
- G02 - OPTICS
Information Patent Application
PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS
- Publication number 20150301269
- Publication date Oct 22, 2015
- Mitsubishi Electric Corporation
- Rena Nishitani
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20150277164
- Publication date Oct 1, 2015
- Mitsubishi Electric Corporation
- Akihiro Nagase
- G02 - OPTICS
Information Patent Application
PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20150160394
- Publication date Jun 11, 2015
- Mitsubishi Electric Corporation
- Nami Nakano
- G02 - OPTICS
Information Patent Application
BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS
- Publication number 20130033901
- Publication date Feb 7, 2013
- Mitsubishi Electric Corporation
- Rena Nishitani
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20120235891
- Publication date Sep 20, 2012
- Rena Nishitani
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT, SCREEN, AND DISPLAY DEVICE
- Publication number 20120224109
- Publication date Sep 6, 2012
- Satoru Okagaki
- G02 - OPTICS
Information Patent Application
PROJECTION DISPLAY APPARATUS
- Publication number 20100220300
- Publication date Sep 2, 2010
- Jun KONDO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTION-TYPE DISPLAY APPARATUS
- Publication number 20100165301
- Publication date Jul 1, 2010
- Kuniko Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROJECTION-TYPE DISPLAY APPARATUS
- Publication number 20100033686
- Publication date Feb 11, 2010
- Mitsubishi Electric Corporation
- Kuniko Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image projection apparatus and projection optical system
- Publication number 20090273719
- Publication date Nov 5, 2009
- MITSUBISHI ELECTRIC CORPORATION
- Muneharu Kuwata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISPLAY DEVICE
- Publication number 20090213299
- Publication date Aug 27, 2009
- Mitsubishi Denki Kabushiki Kaisha
- Atsushi Ito
- G02 - OPTICS
Information Patent Application
Laser light beam coupling apparatus
- Publication number 20090122416
- Publication date May 14, 2009
- MITSUBISHI ELECTRIC CORPORATION
- Yoko Inoue
- G02 - OPTICS
Information Patent Application
Illumination light source and image display apparatus
- Publication number 20090052203
- Publication date Feb 26, 2009
- MITSUBISHI ELECTRIC CORPORATION
- Rena Murase
- G02 - OPTICS
Information Patent Application
Illumination light source and image display apparatus
- Publication number 20080259605
- Publication date Oct 23, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Rena Murase
- G02 - OPTICS
Information Patent Application
Projection-type image display apparatus
- Publication number 20080252968
- Publication date Oct 16, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Norihiro Watanabe
- G02 - OPTICS
Information Patent Application
Light diffusion element, screen, and image projector
- Publication number 20080246895
- Publication date Oct 9, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Muneharu Kuwata
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Image displaying apparatus and display controlling device
- Publication number 20080239171
- Publication date Oct 2, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Yoko Inoue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light diffusion element, screen, and image projector
- Publication number 20080129896
- Publication date Jun 5, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Muneharu Kuwata
- G02 - OPTICS
Information Patent Application
Projection display apparatus
- Publication number 20080049197
- Publication date Feb 28, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Kuniko Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image display apparatus and image display method
- Publication number 20080018972
- Publication date Jan 24, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Jun Someya
- G02 - OPTICS
Information Patent Application
Projection type display apparatus
- Publication number 20070252956
- Publication date Nov 1, 2007
- Mitsubishi Electric Corporation
- Muneharu Kuwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image electric projector and image displaying method
- Publication number 20070247707
- Publication date Oct 25, 2007
- Mitsubishi Electric Corporation
- Atsushi Michimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image Projector
- Publication number 20070229779
- Publication date Oct 4, 2007
- Muneharu Kuwata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Imaging apparatus
- Publication number 20060250514
- Publication date Nov 9, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuo Inoue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Liquid cristal display device and information device with the displ...
- Publication number 20060170844
- Publication date Aug 3, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Akimasa Yuuki
- G02 - OPTICS
Information Patent Application
Display device
- Publication number 20060132673
- Publication date Jun 22, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Atsushi Ito
- G02 - OPTICS
Information Patent Application
STEREOSCOPIC IMAGE DISPLAY APPARATUS
- Publication number 20060114317
- Publication date Jun 1, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Akimasa Yuuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Double-sided liquid crystal display device
- Publication number 20060007372
- Publication date Jan 12, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Akimasa Yuuki
- G02 - OPTICS
Information Patent Application
Display unit and electronic apparatus with display unit
- Publication number 20050276071
- Publication date Dec 15, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Tomohiro Sasagawa
- G02 - OPTICS

Tomohiro Sasagawa

Person

Patents Grantslast 30 patents

Planar light source device and liquid crystal display apparatus

Liquid crystal display device

Optical element, screen, and display device

Backlight device and liquid crystal display apparatus

Projection-type display apparatus

Projection-type display apparatus with a projection optical system...

Projection optical system and image display apparatus

Image displaying apparatus and display controlling device

Image projection apparatus and projection optical system

Light diffusion element, screen, and image projector

Illumination light source and image display apparatus

Laser light beam coupling apparatus

Image display projector having a drive unit for moving either a Fre...

Projection display apparatus

Image projector

Illumination light source and image display apparatus

Projection-type image display apparatus

Image display apparatus and image display method

Display device with light guide plate having antireflection portion...

Two sided liquid crystal display device having independently driven...

Display unit and electronic apparatus with display unit

Lamp, condensing optical system, and image display device

Double-sided liquid crystal display device

Imaging apparatus including a plurality of photoelectric transfer d...

Stereoscopic image display apparatus

Double-side liquid crystal display device and information appliance

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

Light diffusion film, plane light source device and liquid crystal...

Laser heat treatment method, laser heat treatment apparatus, and se...

Reflective liquid crystal display device

Patents Applicationslast 30 patents

SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE

PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS

LIQUID CRYSTAL DISPLAY DEVICE

PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE

BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS

LIQUID CRYSTAL DISPLAY DEVICE

OPTICAL ELEMENT, SCREEN, AND DISPLAY DEVICE

PROJECTION DISPLAY APPARATUS

PROJECTION-TYPE DISPLAY APPARATUS

PROJECTION-TYPE DISPLAY APPARATUS

Image projection apparatus and projection optical system

DISPLAY DEVICE

Laser light beam coupling apparatus

Illumination light source and image display apparatus

Illumination light source and image display apparatus

Projection-type image display apparatus

Light diffusion element, screen, and image projector

Image displaying apparatus and display controlling device

Light diffusion element, screen, and image projector

Projection display apparatus

Image display apparatus and image display method

Projection type display apparatus

Image electric projector and image displaying method

Image Projector

Imaging apparatus

Liquid cristal display device and information device with the displ...

Display device

STEREOSCOPIC IMAGE DISPLAY APPARATUS

Double-sided liquid crystal display device

Display unit and electronic apparatus with display unit