Kei Adachi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light emitting device
- Patent number 10,415,794
- Issue date Sep 17, 2019
- Nichia Corporation
- Seiji Kiyota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device
- Patent number 8,773,630
- Issue date Jul 8, 2014
- Japan Display Inc.
- Eisuke Hatakeyama
- G02 - OPTICS
Information Patent Grant
Front sheet and display device using the same
- Patent number 7,980,716
- Issue date Jul 19, 2011
- Hitachi, Ltd.
- Koji Hirata
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Reflector and projection type display apparatus
- Patent number 7,952,650
- Issue date May 31, 2011
- Hitachi, Ltd.
- Hiroshi Sasaki
- F21 - LIGHTING
Information Patent Grant
Front sheet and display device using the same
- Patent number 7,791,257
- Issue date Sep 7, 2010
- Hitachi, Ltd.
- Koji Hirata
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Image display device and light diffusion component for use therein
- Patent number 7,712,911
- Issue date May 11, 2010
- Hitachi, Ltd.
- Masahiko Yatsu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Color separating unit and projection type video display apparatus p...
- Patent number 7,665,849
- Issue date Feb 23, 2010
- Hitachi, Ltd.
- Hidehiro Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reflecting mirror and projection image display apparatus using the...
- Patent number 7,316,482
- Issue date Jan 8, 2008
- Hitachi, Ltd.
- Kei Adachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Back reflective mirror and back projection type video display devic...
- Patent number 7,059,730
- Issue date Jun 13, 2006
- Hitachi, Ltd.
- Nobuo Masuoka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING DEVICE
- Publication number 20170284634
- Publication date Oct 5, 2017
- NICHIA CORPORATION
- Seiji KIYOTA
- F21 - LIGHTING
Information Patent Application
DISPLAY DEVICE
- Publication number 20120229750
- Publication date Sep 13, 2012
- Hitachi Displays, Ltd.
- Eisuke HATAKEYAMA
- G02 - OPTICS
Information Patent Application
FRONT SHEET AND DISPLAY DEVICE USING THE SAME
- Publication number 20100315819
- Publication date Dec 16, 2010
- Hitachi, Ltd
- Koji HIRATA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
OPTICAL MATERIALS
- Publication number 20090148688
- Publication date Jun 11, 2009
- Hiroshi Sasaki
- G02 - OPTICS
Information Patent Application
OPTICAL SHEET AND DISPLAY UNIT USING THE SAME
- Publication number 20080297908
- Publication date Dec 4, 2008
- Kei Adachi
- G02 - OPTICS
Information Patent Application
IMAGE DISPLAY DEVICE AND LIGHT DIFFUSION COMPONENT FOR USE THEREIN
- Publication number 20080089094
- Publication date Apr 17, 2008
- MASAHIKO YATSU
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Front sheet and display device using the same
- Publication number 20070279939
- Publication date Dec 6, 2007
- Koji Hirata
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Reflector and projection type display apparatus
- Publication number 20070034977
- Publication date Feb 15, 2007
- Hiroshi Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Color separating unit and projection type video display apparatus p...
- Publication number 20070019163
- Publication date Jan 25, 2007
- Hitachi, Ltd
- Hidehiro Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Projection type display apparatus and optical unit used therefor
- Publication number 20060274274
- Publication date Dec 7, 2006
- Kei Adachi
- G02 - OPTICS
Information Patent Application
Reflecting mirror and projection type image display apparatus using...
- Publication number 20050254012
- Publication date Nov 17, 2005
- Kei Adachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Reflection mirror and rear projection type image display apparatus
- Publication number 20050018330
- Publication date Jan 27, 2005
- Hitachi, Ltd
- Megumi Sakoo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Back reflective mirror and back projection type video display devic...
- Publication number 20040246611
- Publication date Dec 9, 2004
- Hitachi, Ltd
- Nobuo Masuoka
- G02 - OPTICS

Person

Patents Grantslast 30 patents

Light emitting device

Display device

Front sheet and display device using the same

Reflector and projection type display apparatus

Front sheet and display device using the same

Image display device and light diffusion component for use therein

Color separating unit and projection type video display apparatus p...

Reflecting mirror and projection image display apparatus using the...

Back reflective mirror and back projection type video display devic...

Patents Applicationslast 30 patents

LIGHT EMITTING DEVICE

DISPLAY DEVICE

FRONT SHEET AND DISPLAY DEVICE USING THE SAME

OPTICAL MATERIALS

OPTICAL SHEET AND DISPLAY UNIT USING THE SAME

IMAGE DISPLAY DEVICE AND LIGHT DIFFUSION COMPONENT FOR USE THEREIN

Front sheet and display device using the same

Reflector and projection type display apparatus

Color separating unit and projection type video display apparatus p...

Projection type display apparatus and optical unit used therefor

Reflecting mirror and projection type image display apparatus using...

Reflection mirror and rear projection type image display apparatus

Back reflective mirror and back projection type video display devic...