Tomoyoshi Yamashita

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Resin composition for light guide article-preform, light guide arti...
- Patent number 9,507,077
- Issue date Nov 29, 2016
- Mitsubishi Rayon Co., Ltd.
- Fumiko Onuma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Acrylic film for punching, surface light-source device and process...
- Patent number 8,795,843
- Issue date Aug 5, 2014
- Mitsubishi Rayon Co., Ltd.
- Yuuhei Konokawa
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Light guide for surface light source device and surface light sourc...
- Patent number 7,815,357
- Issue date Oct 19, 2010
- Mitsubishi Rayon Co., Ltd.
- Kentaro Hayashi
- G02 - OPTICS
Information Patent Grant
Area light source and lightguide used therefore
- Patent number 7,736,045
- Issue date Jun 15, 2010
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Light deflector and light source device
- Patent number 7,578,607
- Issue date Aug 25, 2009
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Optical deflector element and light source device
- Patent number 7,534,024
- Issue date May 19, 2009
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Light source device and light deflection element
- Patent number 7,530,719
- Issue date May 12, 2009
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Planar light source and light guide for use therein
- Patent number 7,522,809
- Issue date Apr 21, 2009
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Area light source
- Patent number 7,520,652
- Issue date Apr 21, 2009
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Light deflection element and light source apparatus using the same
- Patent number 7,401,962
- Issue date Jul 22, 2008
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Planar light source system and light deflecting device therefor
- Patent number 7,380,969
- Issue date Jun 3, 2008
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Optical deflector element and light source device
- Patent number 7,380,968
- Issue date Jun 3, 2008
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Surface light source device and light guide used therefor
- Patent number 7,226,197
- Issue date Jun 5, 2007
- Mitsubishi Rayon Co., Ltd.
- Yasuko Hayashi
- G02 - OPTICS
Information Patent Grant
Light source device and light polarizing element
- Patent number 7,220,038
- Issue date May 22, 2007
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Edge lighted device with polarization
- Patent number 7,201,510
- Issue date Apr 10, 2007
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Light deflection element and light source apparatus using the same
- Patent number 7,153,017
- Issue date Dec 26, 2006
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Surface light source and light guide used therefor
- Patent number 7,139,464
- Issue date Nov 21, 2006
- Mitsubishi Rayon Co., Ltd.
- Hiroki Matsumoto
- G02 - OPTICS
Information Patent Grant
Light source device
- Patent number 7,128,456
- Issue date Oct 31, 2006
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Light source device
- Patent number 7,008,099
- Issue date Mar 7, 2006
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Light source device
- Patent number 7,004,610
- Issue date Feb 28, 2006
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Light source device
- Patent number 6,986,599
- Issue date Jan 17, 2006
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Light source device
- Patent number 6,874,902
- Issue date Apr 5, 2005
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Planar light source system and light deflecting device therefor
- Patent number 6,669,350
- Issue date Dec 30, 2003
- Mitsubish Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Grant
Graded index type optical fibers and method of making the same
- Patent number 6,631,233
- Issue date Oct 7, 2003
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Refractive index profile type optical fiber
- Patent number 6,529,665
- Issue date Mar 4, 2003
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Graded index type optical fibers and method of making the same
- Patent number 6,307,992
- Issue date Oct 23, 2001
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Graded index type optical fibers and method of making the same
- Patent number 6,185,353
- Issue date Feb 6, 2001
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for scattered light measurements
- Patent number 5,120,978
- Issue date Jun 9, 1992
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
RESIN COMPOSITION FOR LIGHT GUIDE ARTICLE-PREFORM, LIGHT GUIDE ARTI...
- Publication number 20150338568
- Publication date Nov 26, 2015
- Mitsubishi Rayon Co., Ltd.
- FUMIKO ONUMA
- G02 - OPTICS
Information Patent Application
ACRYLIC FILM FOR PUNCHING, SURFACE LIGHT-SOURCE DEVICE AND PROCESS...
- Publication number 20120127757
- Publication date May 24, 2012
- Mitsubishi Rayon Co., Ltd.
- Yuuhei Konokawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ANTIGLARE FILM AND DISPLAY DEVICE EMPLOYING THE SAME, AND LIGHT DIF...
- Publication number 20100033652
- Publication date Feb 11, 2010
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Prism Sheet and Production Method thereof and Surface Light Source...
- Publication number 20090147179
- Publication date Jun 11, 2009
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Area light source and lightguide used therefore
- Publication number 20080232136
- Publication date Sep 25, 2008
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Optical deflector element and light source device
- Publication number 20080144336
- Publication date Jun 19, 2008
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Light Deflector and Light Source Device
- Publication number 20080055926
- Publication date Mar 6, 2008
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Light Guide For Surface Light Source Device And Surface Light Sourc...
- Publication number 20080031011
- Publication date Feb 7, 2008
- Kentaro Hayashi
- G02 - OPTICS
Information Patent Application
Surface light source device and light guide using it and method the...
- Publication number 20070031106
- Publication date Feb 8, 2007
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Light deflection element and light source apparatus using the same
- Publication number 20060250817
- Publication date Nov 9, 2006
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Light source device
- Publication number 20060215419
- Publication date Sep 28, 2006
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Optical deflectro element and light source device
- Publication number 20060152827
- Publication date Jul 13, 2006
- MITSUBISHI RAYON CO,. LTD.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Area light source
- Publication number 20060056200
- Publication date Mar 16, 2006
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Planar light source and light guide for use therein
- Publication number 20050254771
- Publication date Nov 17, 2005
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Light source device and light polarizing element
- Publication number 20050254259
- Publication date Nov 17, 2005
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Flat light source device
- Publication number 20050248960
- Publication date Nov 10, 2005
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Surface light source and light guide used therefor
- Publication number 20050237768
- Publication date Oct 27, 2005
- MITSUBISHI RAYON CO., LTD
- Hiroki Matsumoto
- G02 - OPTICS
Information Patent Application
Surface light source device and light guide used therefor
- Publication number 20050174803
- Publication date Aug 11, 2005
- Yasuko Hayashi
- G02 - OPTICS
Information Patent Application
Light source device
- Publication number 20050105283
- Publication date May 19, 2005
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Light deflection element and light source apparatus using the same
- Publication number 20050094295
- Publication date May 5, 2005
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Light source device
- Publication number 20050094384
- Publication date May 5, 2005
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Light source device
- Publication number 20050041410
- Publication date Feb 24, 2005
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Area light source and lightguide used therefor
- Publication number 20040246697
- Publication date Dec 9, 2004
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Light source device
- Publication number 20040022050
- Publication date Feb 5, 2004
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Planar light source system and light deflecting device therefor
- Publication number 20040012945
- Publication date Jan 22, 2004
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Planar light source system and light deflecting device therefor
- Publication number 20020163790
- Publication date Nov 7, 2002
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Light source device
- Publication number 20020114149
- Publication date Aug 22, 2002
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- G02 - OPTICS
Information Patent Application
Graded index type optical fibers and method of making the same
- Publication number 20020044754
- Publication date Apr 18, 2002
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Graded index type optical fibers and method of making the same
- Publication number 20010000140
- Publication date Apr 5, 2001
- Mitsubishi Rayon Co., Ltd.
- Tomoyoshi Yamashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Tomoyoshi Yamashita

Person

Patents Grantslast 30 patents

Resin composition for light guide article-preform, light guide arti...

Acrylic film for punching, surface light-source device and process...

Light guide for surface light source device and surface light sourc...

Area light source and lightguide used therefore

Light deflector and light source device

Optical deflector element and light source device

Light source device and light deflection element

Planar light source and light guide for use therein

Area light source

Light deflection element and light source apparatus using the same

Planar light source system and light deflecting device therefor

Optical deflector element and light source device

Surface light source device and light guide used therefor

Light source device and light polarizing element

Edge lighted device with polarization

Light deflection element and light source apparatus using the same

Surface light source and light guide used therefor

Light source device

Light source device

Light source device

Light source device

Light source device

Planar light source system and light deflecting device therefor

Graded index type optical fibers and method of making the same

Refractive index profile type optical fiber

Graded index type optical fibers and method of making the same

Graded index type optical fibers and method of making the same

Method and apparatus for scattered light measurements

Patents Applicationslast 30 patents

RESIN COMPOSITION FOR LIGHT GUIDE ARTICLE-PREFORM, LIGHT GUIDE ARTI...

ACRYLIC FILM FOR PUNCHING, SURFACE LIGHT-SOURCE DEVICE AND PROCESS...

ANTIGLARE FILM AND DISPLAY DEVICE EMPLOYING THE SAME, AND LIGHT DIF...

Prism Sheet and Production Method thereof and Surface Light Source...

Area light source and lightguide used therefore

Optical deflector element and light source device

Light Deflector and Light Source Device

Light Guide For Surface Light Source Device And Surface Light Sourc...

Surface light source device and light guide using it and method the...

Light deflection element and light source apparatus using the same

Light source device

Optical deflectro element and light source device

Area light source

Planar light source and light guide for use therein

Light source device and light polarizing element

Flat light source device

Surface light source and light guide used therefor

Surface light source device and light guide used therefor

Light source device

Light deflection element and light source apparatus using the same

Light source device

Light source device

Area light source and lightguide used therefor

Light source device

Planar light source system and light deflecting device therefor

Planar light source system and light deflecting device therefor

Light source device

Graded index type optical fibers and method of making the same

Graded index type optical fibers and method of making the same