Takeya Sakai

Person

Nagoya-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display device and optical element
- Patent number 10,816,796
- Issue date Oct 27, 2020
- HAYASHI TELEMPU CORPORATION
- Takeya Sakai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Optical film laminate, method for producing the same, and liquid cr...
- Patent number 8,902,398
- Issue date Dec 2, 2014
- Hayashi Engineering Inc.
- Takeya Sakai
- G02 - OPTICS
Information Patent Grant
Depolarizing film having an optically anisotropic volumetric region
- Patent number 8,724,220
- Issue date May 13, 2014
- Hayashi Telempu Co., Ltd.
- Takeya Sakai
- G02 - OPTICS
Information Patent Grant
Retardation film and process for producing the same
- Patent number 7,300,687
- Issue date Nov 27, 2007
- Hayashi Telempu Co., Ltd.
- Takeya Sakai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Retardation film and process for producing the same
- Patent number 6,743,487
- Issue date Jun 1, 2004
- Hayashi Telempu Co., Ltd.
- Takeya Sakai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Alignment layer and a liquid crystal display using the same
- Patent number 6,696,114
- Issue date Feb 24, 2004
- Hayashi Telempu Co., Ltd.
- Yoshihiro Kawatsuki
- G02 - OPTICS
Information Patent Grant
Planar lighting device and method of making light guides used therein
- Patent number 6,206,535
- Issue date Mar 27, 2001
- Hayashi Telempu Co., Ltd.
- Yukitoshi Hattori
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY DEVICE AND OPTICAL ELEMENT
- Publication number 20190056589
- Publication date Feb 21, 2019
- HAYASHI TELEMPU CORPORATION
- Takeya Sakai
- B60 - VEHICLES IN GENERAL
Information Patent Application
OPTICALLY ANISOTROPIC PARTICLES AND METHOD FOR PRODUCING SAME, AND...
- Publication number 20150225496
- Publication date Aug 13, 2015
- Hayashi Telempu Co., Ltd.
- Takeya SAKAI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OPTICAL FILM LAMINATE, METHOD FOR PRODUCING THE SAME, AND LIQUID CR...
- Publication number 20120314159
- Publication date Dec 13, 2012
- HAYASHI ENGINEERING INC.
- Takeya SAKAI
- G02 - OPTICS
Information Patent Application
PHOTOCROSSLINKABLE ELECTROLYTE COMPOSITION AND DYE-SENSITIZED SOLAR...
- Publication number 20120227806
- Publication date Sep 13, 2012
- HAYASHI ENGINEERING INC.
- Takeya Sakai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DEPOLARIZING FILM
- Publication number 20110310482
- Publication date Dec 22, 2011
- HAYASHI TELEMPU CO., LTD.
- Takeya Sakai
- G02 - OPTICS
Information Patent Application
Retardation film and process for producing the same
- Publication number 20070019140
- Publication date Jan 25, 2007
- HAYASHI TELEMPU CO., LTD
- Takeya Sakai
- G02 - OPTICS
Information Patent Application
Retardation film and process for producing the same
- Publication number 20050083463
- Publication date Apr 21, 2005
- HAYASHI TELEMPU CO., LTD
- Takeya Sakai
- G02 - OPTICS
Information Patent Application
Retardation film and process for producing the same
- Publication number 20040166250
- Publication date Aug 26, 2004
- HAYASHI TELEMPU CO., LTD
- Takeya Sakai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Retardation film and process for producing the same
- Publication number 20020128341
- Publication date Sep 12, 2002
- HAYASHI TELEMPU CO., LTD
- Takeya Sakai
- G02 - OPTICS

Takeya Sakai

Person

Patents Grantslast 30 patents

Display device and optical element

Optical film laminate, method for producing the same, and liquid cr...

Depolarizing film having an optically anisotropic volumetric region

Retardation film and process for producing the same

Retardation film and process for producing the same

Alignment layer and a liquid crystal display using the same

Planar lighting device and method of making light guides used therein

Patents Applicationslast 30 patents

DISPLAY DEVICE AND OPTICAL ELEMENT

OPTICALLY ANISOTROPIC PARTICLES AND METHOD FOR PRODUCING SAME, AND...

OPTICAL FILM LAMINATE, METHOD FOR PRODUCING THE SAME, AND LIQUID CR...

PHOTOCROSSLINKABLE ELECTROLYTE COMPOSITION AND DYE-SENSITIZED SOLAR...

DEPOLARIZING FILM

Retardation film and process for producing the same

Retardation film and process for producing the same

Retardation film and process for producing the same

Retardation film and process for producing the same