Hiroshi Sekiguchi

Person

Akishima, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reflective screen and image display device
- Patent number 12,108,195
- Issue date Oct 1, 2024
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reflective screen and image display device
- Patent number 11,695,904
- Issue date Jul 4, 2023
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display device
- Patent number 10,466,393
- Issue date Nov 5, 2019
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS
Information Patent Grant
Semi-transmissive reflection sheet, light guide plate and display d...
- Patent number 10,365,489
- Issue date Jul 30, 2019
- Dai Nippon Printing Co., Ltd.
- Hiroshi Sekiguchi
- G02 - OPTICS
Information Patent Grant
Method for manufacturing fuel cell assembly
- Patent number 10,256,483
- Issue date Apr 9, 2019
- Honda Motor Co., Ltd.
- Ryo Uozumi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Light guide plate, method for producing light guide plate, surface...
- Patent number 9,551,824
- Issue date Jan 24, 2017
- Dai Nippon Printing Co., Ltd.
- Hiroshi Yamamoto
- G02 - OPTICS
Information Patent Grant
Light guide plate and illumination apparatus
- Patent number 9,453,958
- Issue date Sep 27, 2016
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS
Information Patent Grant
Light guide plate, surface light source device, and display device
- Patent number 9,217,821
- Issue date Dec 22, 2015
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS
Information Patent Grant
Optical module and display device
- Patent number 9,188,721
- Issue date Nov 17, 2015
- Dai Nippon Printing Co., Ltd.
- Eiji Asano
- G02 - OPTICS
Information Patent Grant
Light guide plate with tapering unit optical elements
- Patent number 9,182,530
- Issue date Nov 10, 2015
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS
Information Patent Grant
Display device having enlarged viewing angle
- Patent number 8,848,136
- Issue date Sep 30, 2014
- Dai Nippon Printing Co., Ltd.
- Masahiro Gotou
- G02 - OPTICS
Information Patent Grant
Array-type display apparatus
- Patent number 8,807,775
- Issue date Aug 19, 2014
- Dai Nippon Printing Co., Ltd.
- Hiroshi Sekiguchi
- F21 - LIGHTING
Information Patent Grant
Light guide plate, surface light source device, and display device
- Patent number 8,797,480
- Issue date Aug 5, 2014
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS
Information Patent Grant
Surface light source device, liquid crystal display device and opti...
- Patent number 8,678,635
- Issue date Mar 25, 2014
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS
Information Patent Grant
Light guide plate, surface light source device and transmissive dis...
- Patent number 8,550,687
- Issue date Oct 8, 2013
- Dai Nippon Printing Co., Ltd.
- Masahiro Gotou
- G02 - OPTICS
Information Patent Grant
Fiber optical device and method of driving the same
- Patent number 8,363,308
- Issue date Jan 29, 2013
- Hamamatsu Photonics K.K.
- Hitoshi Yamaura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image recording system having a conversion apparatus
- Patent number 8,094,197
- Issue date Jan 10, 2012
- Sony Corporation
- Hiroshi Sekiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing apparatus
- Patent number 7,930,463
- Issue date Apr 19, 2011
- Sony Corporation
- Hiroshi Sekiguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reflecting screen, method of manufacturing the same, and reflection...
- Patent number 7,835,078
- Issue date Nov 16, 2010
- Dai Nippon Printing Co., Ltd.
- Nobuhiko Ichikawa
- G02 - OPTICS
Information Patent Grant
Gas monitoring apparatus and gas monitoring method
- Patent number 7,663,098
- Issue date Feb 16, 2010
- Hitachi, Ltd.
- Yasuo Seto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Communication system, communication apparatus and method, recording...
- Patent number 7,478,755
- Issue date Jan 20, 2009
- Sony Corporation
- Hiroshi Sekiguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fresnel lens sheet, rear projection screen, and rear-projection-typ...
- Patent number 7,453,638
- Issue date Nov 18, 2008
- Dai Nippon Printing Co., Ltd.
- Hiroshi Sekiguchi
- G02 - OPTICS
Information Patent Grant
Fresnel lens sheet and transmission type screen comprising it
- Patent number 7,352,508
- Issue date Apr 1, 2008
- Dai Nippon Printing Co., Ltd.
- Hiroshi Sekiguchi
- G02 - OPTICS
Information Patent Grant
Fresnel lens sheet, rear projection screen and rear projection display
- Patent number 7,317,572
- Issue date Jan 8, 2008
- Dai Nippon Printing Co., Ltd.
- Hiroshi Sekiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fresnel lens sheet, transmission screen provided with the same and...
- Patent number 7,277,227
- Issue date Oct 2, 2007
- Dai Nippon Printing Co., Ltd.
- Hiroshi Sekiguchi
- G02 - OPTICS
Information Patent Grant
Fresnel lens sheet holding structure and rear projection display
- Patent number 7,245,427
- Issue date Jul 17, 2007
- Dai Nippon Printing Co., Ltd.
- Hiroshi Sekiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fresnel lens, screen, image displaying device, lens forming mold ma...
- Patent number 7,116,476
- Issue date Oct 3, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Suzuki
- G02 - OPTICS
Information Patent Grant
Projection screen and projection display
- Patent number 7,072,109
- Issue date Jul 4, 2006
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS
Information Patent Grant
Fresnel lens sheet, rear projection screen and rear projection display
- Patent number 6,961,176
- Issue date Nov 1, 2005
- Dai Nippon Printing Co., Ltd.
- Hiroshi Sekiguchi
- G02 - OPTICS
Information Patent Grant
Fresnel lens sheet, process of producing Fresnel lens sheet, mold f...
- Patent number 6,947,225
- Issue date Sep 20, 2005
- Dai Nippon Printing Co., Ltd.
- Hiroshi Sekiguchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ASSEMBLING METHOD FOR FUEL CELL STACK AND STACKING APPARATUS
- Publication number 20240313246
- Publication date Sep 19, 2024
- Honda Motor Co., Ltd.
- Hiroshi Sekiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
REFLECTIVE SCREEN AND IMAGE DISPLAY DEVICE
- Publication number 20230291876
- Publication date Sep 14, 2023
- DAI NIPPON PRINTING CO., LTD.
- Masahiro GOTO
- G02 - OPTICS
Information Patent Application
METHOD FOR INSPECTING GAS LEAK FROM FUEL CELL STACK
- Publication number 20210305603
- Publication date Sep 30, 2021
- Honda Motor Co., Ltd.
- Yusuke OKABE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR INSPECTING GAS LEAK FROM FUEL CELL STACK
- Publication number 20210305602
- Publication date Sep 30, 2021
- Honda Motor Co., Ltd.
- Yusuke OKABE
- G01 - MEASURING TESTING
Information Patent Application
REFLECTIVE SCREEN AND IMAGE DISPLAY DEVICE
- Publication number 20210274137
- Publication date Sep 2, 2021
- DAI NIPPON PRINTING CO., LTD.
- Masahiro GOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISPLAY DEVICE
- Publication number 20180329122
- Publication date Nov 15, 2018
- DAI NIPPON PRINTING CO., LTD.
- Masahiro GOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SEMI-TRANSMISSIVE REFLECTION SHEET, LIGHT GUIDE PLATE AND DISPLAY D...
- Publication number 20170322417
- Publication date Nov 9, 2017
- DAI NIPPON PRINTING CO., LTD.
- Hiroshi SEKIGUCHI
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING FUEL CELL ASSEMBLY
- Publication number 20170222234
- Publication date Aug 3, 2017
- Honda Motor Co., Ltd.
- Ryo Uozumi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
LIGHT GUIDE PLATE AND ILLUMINATION APPARATUS
- Publication number 20150003105
- Publication date Jan 1, 2015
- DAI NIPPON PRINTING CO., LTD.
- Masahiro GOTO
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE, AND DISPLAY DEVICE
- Publication number 20140211127
- Publication date Jul 31, 2014
- DAI NIPPON PRINTING CO., LTD.
- Masahiro Goto
- G02 - OPTICS
Information Patent Application
ARRAY-TYPE DISPLAY APPARATUS
- Publication number 20140104712
- Publication date Apr 17, 2014
- DAI NIPPON PRINTING CO., LTD.
- Hiroshi SEKIGUCHI
- G02 - OPTICS
Information Patent Application
ARRAY-TYPE DISPLAY APPARATUS
- Publication number 20140071657
- Publication date Mar 13, 2014
- DAI NIPPON PRINTING CO., LTD.
- Hiroshi SEKIGUCHI
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE, AND DISPLAY DEVICE
- Publication number 20130093980
- Publication date Apr 18, 2013
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE PLATE, SUFRACE LIGHT SOURCE DEVICE, AND DISPLAY DEVICE
- Publication number 20130057807
- Publication date Mar 7, 2013
- DAI NIPPON PRINTING CO., LTD.
- Masahiro GOTO
- G02 - OPTICS
Information Patent Application
OPTICAL MODULE AND DISPLAY DEVICE
- Publication number 20130039031
- Publication date Feb 14, 2013
- DAI NIPPON PRINTING CO., LTD.
- Eiji Asano
- G02 - OPTICS
Information Patent Application
DISPLAY DEVICE
- Publication number 20120320311
- Publication date Dec 20, 2012
- DAI NIPPON PRINTING CO., LTD.
- Masahiro Gotou
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE AND TRANSMISSIVE DIS...
- Publication number 20120201045
- Publication date Aug 9, 2012
- DAI NIPPON PRINTING CO., LTD.
- Masahiro Gotou
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE PLATE, METHOD FOR PRODUCING LIGHT GUIDE PLATE, SURFACE...
- Publication number 20120127397
- Publication date May 24, 2012
- Dal Nippon Printing Co., Ltd
- Hiroshi Yamamoto
- G02 - OPTICS
Information Patent Application
SURFACE LIGHT SOURCE DEVICE, LIQUID CRYSTAL DISPLAY DEVICE AND OPTI...
- Publication number 20120113158
- Publication date May 10, 2012
- Dai Nippon Printing Co., Ltd.
- Masahiro GOTO
- G02 - OPTICS
Information Patent Application
Reflecting screen, method of manufacturing the same, and reflection...
- Publication number 20110027474
- Publication date Feb 3, 2011
- DAI NIPPON PRINTING CO., LTD.
- Nobuhiko Ichikawa
- G02 - OPTICS
Information Patent Application
SPEECH REPRODUCING METHOD, SPEECH REPRODUCING DEVICE, AND COMPUTER...
- Publication number 20100298959
- Publication date Nov 25, 2010
- VOXMOL LLC
- Hiroshi Sekiguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
FIBER OPTICAL DEVICE AND METHOD OF DRIVING THE SAME
- Publication number 20100290107
- Publication date Nov 18, 2010
- Hamamatsu Photonics K. K.
- Hitoshi Yamaura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INFORMATION PROCESSING APPARATUS
- Publication number 20090193170
- Publication date Jul 30, 2009
- SONY CORPORATION
- Hiroshi SEKIGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE RECORDING SYSTEM
- Publication number 20080180531
- Publication date Jul 31, 2008
- SONY CORPORATION
- Hiroshi Sekiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Gas monitoring apparatus and gas monitoring method
- Publication number 20080054172
- Publication date Mar 6, 2008
- Yasuo Seto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Reflecting Screen, Method of Manufacturing the Same, and Reflection...
- Publication number 20080030882
- Publication date Feb 7, 2008
- DAI NIPPON PRINTING CO., LTD.
- Nobuhiko Ichikawa
- G02 - OPTICS
Information Patent Application
Sound Electronic Circuit and Method for Adjusting Sound Level Thereof
- Publication number 20070291960
- Publication date Dec 20, 2007
- ADC Technology Inc.
- Hiroshi Sekiguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Fresnel lens sheet, transmission screen and rear projection display
- Publication number 20070002439
- Publication date Jan 4, 2007
- DAI NIPPON PRINTING CO., LTD.
- Hiroshi Sekiguchi
- G02 - OPTICS
Information Patent Application
Communication system, communication apparatus and method, recording...
- Publication number 20060208088
- Publication date Sep 21, 2006
- Sony Corporation
- Hiroshi Sekiguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Installation structure for fresnel lens sheet and rear-projection d...
- Publication number 20050237610
- Publication date Oct 27, 2005
- Hiroshi Sekiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroshi Sekiguchi

Person

Patents Grantslast 30 patents

Reflective screen and image display device

Reflective screen and image display device

Display device

Semi-transmissive reflection sheet, light guide plate and display d...

Method for manufacturing fuel cell assembly

Light guide plate, method for producing light guide plate, surface...

Light guide plate and illumination apparatus

Light guide plate, surface light source device, and display device

Optical module and display device

Light guide plate with tapering unit optical elements

Display device having enlarged viewing angle

Array-type display apparatus

Light guide plate, surface light source device, and display device

Surface light source device, liquid crystal display device and opti...

Light guide plate, surface light source device and transmissive dis...

Fiber optical device and method of driving the same

Image recording system having a conversion apparatus

Information processing apparatus

Reflecting screen, method of manufacturing the same, and reflection...

Gas monitoring apparatus and gas monitoring method

Communication system, communication apparatus and method, recording...

Fresnel lens sheet, rear projection screen, and rear-projection-typ...

Fresnel lens sheet and transmission type screen comprising it

Fresnel lens sheet, rear projection screen and rear projection display

Fresnel lens sheet, transmission screen provided with the same and...

Fresnel lens sheet holding structure and rear projection display

Fresnel lens, screen, image displaying device, lens forming mold ma...

Projection screen and projection display

Fresnel lens sheet, rear projection screen and rear projection display

Fresnel lens sheet, process of producing Fresnel lens sheet, mold f...

Patents Applicationslast 30 patents

ASSEMBLING METHOD FOR FUEL CELL STACK AND STACKING APPARATUS

REFLECTIVE SCREEN AND IMAGE DISPLAY DEVICE

METHOD FOR INSPECTING GAS LEAK FROM FUEL CELL STACK

METHOD FOR INSPECTING GAS LEAK FROM FUEL CELL STACK

REFLECTIVE SCREEN AND IMAGE DISPLAY DEVICE

DISPLAY DEVICE

SEMI-TRANSMISSIVE REFLECTION SHEET, LIGHT GUIDE PLATE AND DISPLAY D...

METHOD FOR MANUFACTURING FUEL CELL ASSEMBLY

LIGHT GUIDE PLATE AND ILLUMINATION APPARATUS

LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE, AND DISPLAY DEVICE

ARRAY-TYPE DISPLAY APPARATUS

ARRAY-TYPE DISPLAY APPARATUS

LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE, AND DISPLAY DEVICE

LIGHT GUIDE PLATE, SUFRACE LIGHT SOURCE DEVICE, AND DISPLAY DEVICE

OPTICAL MODULE AND DISPLAY DEVICE

DISPLAY DEVICE

LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE AND TRANSMISSIVE DIS...

LIGHT GUIDE PLATE, METHOD FOR PRODUCING LIGHT GUIDE PLATE, SURFACE...

SURFACE LIGHT SOURCE DEVICE, LIQUID CRYSTAL DISPLAY DEVICE AND OPTI...

Reflecting screen, method of manufacturing the same, and reflection...

SPEECH REPRODUCING METHOD, SPEECH REPRODUCING DEVICE, AND COMPUTER...

FIBER OPTICAL DEVICE AND METHOD OF DRIVING THE SAME

INFORMATION PROCESSING APPARATUS

IMAGE RECORDING SYSTEM

Gas monitoring apparatus and gas monitoring method

Reflecting Screen, Method of Manufacturing the Same, and Reflection...

Sound Electronic Circuit and Method for Adjusting Sound Level Thereof

Fresnel lens sheet, transmission screen and rear projection display

Communication system, communication apparatus and method, recording...

Installation structure for fresnel lens sheet and rear-projection d...