Takahiro Yoshikawa

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Backlight unit and image display device
- Patent number 12,124,071
- Issue date Oct 22, 2024
- Nitto Denko Corporation
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Grant
Lighting device
- Patent number 12,105,313
- Issue date Oct 1, 2024
- Nitto Denko Corporation
- Kozo Nakamura
- G02 - OPTICS
Information Patent Grant
Backlight unit and image display device
- Patent number 12,044,880
- Issue date Jul 23, 2024
- Nitto Denko Corporation
- Daisuke Hattori
- G02 - OPTICS
Information Patent Grant
Optical member, and backlight unit and image display device using s...
- Patent number 11,994,709
- Issue date May 28, 2024
- Nitto Denko Corporation
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Grant
Optical member and backlight unit using said optical member, and im...
- Patent number 11,966,075
- Issue date Apr 23, 2024
- Nitto Denko Corporation
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Grant
Desktop illumination device
- Patent number 11,940,120
- Issue date Mar 26, 2024
- Nitto Denko Corporation
- Takahiro Yoshikawa
- F21 - LIGHTING
Information Patent Grant
Illumination device
- Patent number 11,921,311
- Issue date Mar 5, 2024
- Nitto Denko Corporation
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Grant
Optical sheet for light guide plate type liquid crystal display, ba...
- Patent number 11,402,569
- Issue date Aug 2, 2022
- Nitto Denko Corporation
- Daisuke Hattori
- G02 - OPTICS
Information Patent Grant
Display apparatus
- Patent number 10,302,988
- Issue date May 28, 2019
- Sakai Display Products Corporation
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Grant
Display apparatus
- Patent number 9,952,458
- Issue date Apr 24, 2018
- Sakai Display Products Corporation
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Grant
Light source device and display apparatus
- Patent number 9,952,381
- Issue date Apr 24, 2018
- Sakai Display Products Corporation
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Grant
Display device
- Patent number 9,829,736
- Issue date Nov 28, 2017
- Sakai Display Products Corporation
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Grant
Light source unit and display apparatus
- Patent number 9,488,770
- Issue date Nov 8, 2016
- Sakai Display Products Corporation
- Yuki Horiguchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT GUIDE MEMBER FOR LIGHT EMISSION DEVICE AND LIGHT EMISSION DEVICE
- Publication number 20240230978
- Publication date Jul 11, 2024
- Nitto Denko Corporation
- Yufeng WENG
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE MEMBER FOR LIGHTING DEVICE AND LIGHTING DEVICE
- Publication number 20240219620
- Publication date Jul 4, 2024
- Nitto Denko Corporation
- Shimpei MUKADEYAMA
- G02 - OPTICS
Information Patent Application
OPTICAL LAMINATE, METHOD FOR PRODUCING OPTICAL LAMINATE, OPTICAL ME...
- Publication number 20240200182
- Publication date Jun 20, 2024
- NITTO DENKO CORPORATION
- Ryota Morishima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
OPTICAL LAMINATE, METHOD FOR PRODUCING OPTICAL LAMINATE, OPTICAL ME...
- Publication number 20240192408
- Publication date Jun 13, 2024
- NITTO DENKO CORPORATION
- Ryota Morishima
- G02 - OPTICS
Information Patent Application
LIGHTING DEVICE
- Publication number 20230358942
- Publication date Nov 9, 2023
- Nitto Denko Corporation
- Kozo NAKAMURA
- G02 - OPTICS
Information Patent Application
BACKLIGHT UNIT AND IMAGE DISPLAY DEVICE
- Publication number 20230350129
- Publication date Nov 2, 2023
- NITTO DENKO CORPORATION
- Takahiro YOSHIKAWA
- G02 - OPTICS
Information Patent Application
OPTICAL MEMBER, MANUFACTURING METHOD THEREFOR, AND LIGHT DISTRIBUTI...
- Publication number 20230341608
- Publication date Oct 26, 2023
- Nitto Denko Corporation
- Naoyuki MATSUO
- G02 - OPTICS
Information Patent Application
OPTICAL LAMINATE WITH DOUBLE-SIDED ADHESIVE LAYER, AND OPTICAL DEVICE
- Publication number 20230312991
- Publication date Oct 5, 2023
- NITTO DENKO CORPORATION
- Daisuke Hattori
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SURFACE ILLUMINATION DEVICE, SPACE INCLUDING SURFACE ILLUMINATION D...
- Publication number 20230296217
- Publication date Sep 21, 2023
- Nitto Denko Corporation
- Takahiro YOSHIKAWA
- F21 - LIGHTING
Information Patent Application
DESKTOP ILLUMINATION DEVICE
- Publication number 20230280005
- Publication date Sep 7, 2023
- Nitto Denko Corporation
- Takahiro YOSHIKAWA
- F21 - LIGHTING
Information Patent Application
LIGHTING-DEVICE LIGHT GUIDE MEMBER, LIGHTING DEVICE, AND BUILDING M...
- Publication number 20230280523
- Publication date Sep 7, 2023
- Nitto Denko Corporation
- Kozo NAKAMURA
- F21 - LIGHTING
Information Patent Application
OPTICAL MEMBER, AND BACKLIGHT UNIT AND IMAGE DISPLAY DEVICE USING S...
- Publication number 20230152509
- Publication date May 18, 2023
- NITTO DENKO CORPORATION
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Application
ILLUMINATION DEVICE
- Publication number 20230145275
- Publication date May 11, 2023
- NITTO DENKO CORPORATION
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Application
BACKLIGHT UNIT AND IMAGE DISPLAY DEVICE
- Publication number 20230129382
- Publication date Apr 27, 2023
- NITTO DENKO CORPORATION
- Daisuke Hattori
- G02 - OPTICS
Information Patent Application
OPTICAL MEMBER AND BACKLIGHT UNIT USING SAID OPTICAL MEMBER, AND IM...
- Publication number 20230110580
- Publication date Apr 13, 2023
- NITTO DENKO CORPORATION
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Application
COLOR CORRECTION MEMBER AND OPTICAL FILM USING COLOR CORRECTION MEMBER
- Publication number 20210181574
- Publication date Jun 17, 2021
- NITTO DENKO CORPORATION
- Kozo Nakamura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OPTICAL MEMBER, AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVIC...
- Publication number 20210027970
- Publication date Jan 28, 2021
- Nitto Denko Corporation
- Kozo Nakamura
- B32 - LAYERED PRODUCTS
Information Patent Application
OPTICAL MEMBER, BACKLIGHT UNIT USING SAID OPTICAL MEMBER, AND LIQUI...
- Publication number 20200301207
- Publication date Sep 24, 2020
- NITTO DENKO CORPORATION
- Takahiro Yoshikawa
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTICAL SHEET FOR LIGHT GUIDE PLATE TYPE LIQUID CRYSTAL DISPLAY, BA...
- Publication number 20200116921
- Publication date Apr 16, 2020
- NITTO DENKO CORPORATION
- Daisuke Hattori
- G02 - OPTICS
Information Patent Application
OPTICAL MEMBER, BACKLIGHT UNIT USING SAID OPTICAL MEMBER, AND LIQUI...
- Publication number 20190113664
- Publication date Apr 18, 2019
- NITTO DENKO CORPORATION
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Application
ADHESIVE TAPE HAVING WAVELENGTH CONVERSION FUNCTION
- Publication number 20190092983
- Publication date Mar 28, 2019
- NITTO DENKO CORPORATION
- Kozo Nakamura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OPTICAL MEMBER, AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVIC...
- Publication number 20190051484
- Publication date Feb 14, 2019
- NITTO DENKO CORPORATION
- Kozo Nakamura
- B32 - LAYERED PRODUCTS
Information Patent Application
CONNECTOR, CONNECTOR MOUNTING BOARD, ILLUMINATION DEVICE, AND DISPL...
- Publication number 20180231228
- Publication date Aug 16, 2018
- SAKAI DISPLAY PRODUCTS CORPORATION
- Nobukazu KATO
- F21 - LIGHTING
Information Patent Application
Display Apparatus
- Publication number 20170045774
- Publication date Feb 16, 2017
- Sakai Display Products Corporation
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Application
Light Source Device and Display Apparatus
- Publication number 20170003443
- Publication date Jan 5, 2017
- Sakai Display Products Corporation
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Application
Display Apparatus
- Publication number 20160291385
- Publication date Oct 6, 2016
- SAKAI DISPLAY PRODUCTS CORPORATION
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Application
Display Device
- Publication number 20160004119
- Publication date Jan 7, 2016
- Sakai Display Products Corporation
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Application
Light Source Unit and Display Apparatus
- Publication number 20150078032
- Publication date Mar 19, 2015
- Sakai Display Products Corporation
- Yuki Horiguchi
- G02 - OPTICS
Information Patent Application
FLUORESCENT TUBE, ILLUMINATING APPARATUS FOR DISPLAY DEVICE, AND DI...
- Publication number 20100214512
- Publication date Aug 26, 2010
- Takahiro Yoshikawa
- G02 - OPTICS
Information Patent Application
LIGHTING DEVICE FOR USE WITH DISPLAY APPARATUS AND DISPLAY APPARATUS
- Publication number 20100134714
- Publication date Jun 3, 2010
- Takahiro Yoshikawa
- G02 - OPTICS

Takahiro Yoshikawa

Person

Patents Grantslast 30 patents

Backlight unit and image display device

Lighting device

Backlight unit and image display device

Optical member, and backlight unit and image display device using s...

Optical member and backlight unit using said optical member, and im...

Desktop illumination device

Illumination device

Optical sheet for light guide plate type liquid crystal display, ba...

Display apparatus

Display apparatus

Light source device and display apparatus

Display device

Light source unit and display apparatus

Patents Applicationslast 30 patents

LIGHT GUIDE MEMBER FOR LIGHT EMISSION DEVICE AND LIGHT EMISSION DEVICE

LIGHT GUIDE MEMBER FOR LIGHTING DEVICE AND LIGHTING DEVICE

OPTICAL LAMINATE, METHOD FOR PRODUCING OPTICAL LAMINATE, OPTICAL ME...

OPTICAL LAMINATE, METHOD FOR PRODUCING OPTICAL LAMINATE, OPTICAL ME...

LIGHTING DEVICE

BACKLIGHT UNIT AND IMAGE DISPLAY DEVICE

OPTICAL MEMBER, MANUFACTURING METHOD THEREFOR, AND LIGHT DISTRIBUTI...

OPTICAL LAMINATE WITH DOUBLE-SIDED ADHESIVE LAYER, AND OPTICAL DEVICE

SURFACE ILLUMINATION DEVICE, SPACE INCLUDING SURFACE ILLUMINATION D...

DESKTOP ILLUMINATION DEVICE

LIGHTING-DEVICE LIGHT GUIDE MEMBER, LIGHTING DEVICE, AND BUILDING M...

OPTICAL MEMBER, AND BACKLIGHT UNIT AND IMAGE DISPLAY DEVICE USING S...

ILLUMINATION DEVICE

BACKLIGHT UNIT AND IMAGE DISPLAY DEVICE

OPTICAL MEMBER AND BACKLIGHT UNIT USING SAID OPTICAL MEMBER, AND IM...

COLOR CORRECTION MEMBER AND OPTICAL FILM USING COLOR CORRECTION MEMBER

OPTICAL MEMBER, AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVIC...

OPTICAL MEMBER, BACKLIGHT UNIT USING SAID OPTICAL MEMBER, AND LIQUI...

OPTICAL SHEET FOR LIGHT GUIDE PLATE TYPE LIQUID CRYSTAL DISPLAY, BA...

OPTICAL MEMBER, BACKLIGHT UNIT USING SAID OPTICAL MEMBER, AND LIQUI...

ADHESIVE TAPE HAVING WAVELENGTH CONVERSION FUNCTION

OPTICAL MEMBER, AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVIC...

CONNECTOR, CONNECTOR MOUNTING BOARD, ILLUMINATION DEVICE, AND DISPL...

Display Apparatus

Light Source Device and Display Apparatus

Display Apparatus

Display Device

Light Source Unit and Display Apparatus

FLUORESCENT TUBE, ILLUMINATING APPARATUS FOR DISPLAY DEVICE, AND DI...

LIGHTING DEVICE FOR USE WITH DISPLAY APPARATUS AND DISPLAY APPARATUS