Toshinobu KATSUMATA

Person

Yamanashi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing light emitting device, light emitting devi...
- Patent number 12,125,953
- Issue date Oct 22, 2024
- Nichia Corporation
- Shimpei Sasaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing light-emitting device and planar light source
- Patent number 12,117,691
- Issue date Oct 15, 2024
- Nichia Corporation
- Takuya Nakabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting unit and surface-emission light source
- Patent number 11,901,498
- Issue date Feb 13, 2024
- Nichia Corporation
- Takuya Nakabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting unit and surface-emission light source
- Patent number 11,799,064
- Issue date Oct 24, 2023
- Nichia Corporation
- Takuya Nakabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device
- Patent number 11,777,055
- Issue date Oct 3, 2023
- Nichia Corporation
- Shimpei Sasaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Backlight device
- Patent number 11,754,878
- Issue date Sep 12, 2023
- Nichia Corporation
- Toshinobu Katsumata
- G02 - OPTICS
Information Patent Grant
Light-emitting module and surface-emitting light source
- Patent number 11,719,975
- Issue date Aug 8, 2023
- Nichia Corporation
- Ryohei Yamashita
- G02 - OPTICS
Information Patent Grant
Light-emitting module, surface light source, and liquid-crystal dis...
- Patent number 11,703,714
- Issue date Jul 18, 2023
- Nichia Corporation
- Keiji Emura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Backlight device
- Patent number 11,681,181
- Issue date Jun 20, 2023
- Nichia Corporation
- Toshinobu Katsumata
- G02 - OPTICS
Information Patent Grant
Planar light source
- Patent number 11,650,455
- Issue date May 16, 2023
- Nichia Corporation
- Toshinobu Katsumata
- G02 - OPTICS
Information Patent Grant
Surface light source
- Patent number 11,650,365
- Issue date May 16, 2023
- Nichia Corporation
- Ryohei Yamashita
- G02 - OPTICS
Information Patent Grant
Light-emitting unit and surface-emission light source
- Patent number 11,594,665
- Issue date Feb 28, 2023
- Nichia Corporation
- Takuya Nakabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting module
- Patent number 11,513,389
- Issue date Nov 29, 2022
- Nichia Corporation
- Ryohei Yamashita
- G02 - OPTICS
Information Patent Grant
Light-emitting device and planar light source
- Patent number 11,506,934
- Issue date Nov 22, 2022
- Nichia Corporation
- Takuya Nakabayashi
- G02 - OPTICS
Information Patent Grant
Light-emitting module, surface light source, and liquid-crystal dis...
- Patent number 11,506,932
- Issue date Nov 22, 2022
- Nichia Corporation
- Keiji Emura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Planar light source and liquid crystal display device
- Patent number 11,428,984
- Issue date Aug 30, 2022
- Nichia Corporation
- Toshinobu Katsumata
- G02 - OPTICS
Information Patent Grant
Surface light source
- Patent number 11,415,741
- Issue date Aug 16, 2022
- Nichia Corporation
- Ryohei Yamashita
- G02 - OPTICS
Information Patent Grant
Light-emitting unit and surface-emission light source
- Patent number 11,393,965
- Issue date Jul 19, 2022
- Nichia Corporation
- Takuya Nakabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting module
- Patent number 11,391,878
- Issue date Jul 19, 2022
- Nichia Corporation
- Ryohei Yamashita
- G02 - OPTICS
Information Patent Grant
Light emitting device
- Patent number 11,205,744
- Issue date Dec 21, 2021
- Nichia Corporation
- Shimpei Sasaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting module and surface-emitting light source
- Patent number 11,106,082
- Issue date Aug 31, 2021
- Nichia Corporation
- Ryohei Yamashita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Planar light unit
- Patent number 11,086,063
- Issue date Aug 10, 2021
- Citizen Watch Co., Ltd.
- Toshinobu Katsumata
- G02 - OPTICS
Information Patent Grant
Light emitting device
- Patent number 11,069,831
- Issue date Jul 20, 2021
- Nichia Corporation
- Shimpei Sasaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting module
- Patent number 11,061,178
- Issue date Jul 13, 2021
- Nichia Corporation
- Ryohei Yamashita
- G02 - OPTICS
Information Patent Grant
Light emittng module
- Patent number 10,884,290
- Issue date Jan 5, 2021
- Nichia Corporation
- Ryohei Yamashita
- G02 - OPTICS
Information Patent Grant
Light-emitting device
- Patent number 10,585,308
- Issue date Mar 10, 2020
- Citizen Watch Co., Ltd
- Toshinobu Katsumata
- G02 - OPTICS
Information Patent Grant
Light-emitting device
- Patent number 10,551,669
- Issue date Feb 4, 2020
- Citizen Watch Co., Ltd
- Toshinobu Katsumata
- G02 - OPTICS
Information Patent Grant
Side edge planar lighting unit
- Patent number 10,001,672
- Issue date Jun 19, 2018
- CITIZEN ELECTRONICS CO., LTD.
- Kiyokazu Watanabe
- G02 - OPTICS
Information Patent Grant
Planar light unit
- Patent number 9,715,054
- Issue date Jul 25, 2017
- Citizen Watch Co., Ltd.
- Toshinobu Katsumata
- G02 - OPTICS
Information Patent Grant
Method of manufacturing light guide plate, light guide plate, backl...
- Patent number 7,588,365
- Issue date Sep 15, 2009
- Citizen Electronics Co., Ltd.
- Toshinobu Katsumata
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT-EMITTING UNIT AND SURFACE-EMISSION LIGHT SOURCE
- Publication number 20230178702
- Publication date Jun 8, 2023
- Nichia Corporation.
- Takuya NAKABAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING DEVICE AND PLANAR LIGHT SOURCE
- Publication number 20230085463
- Publication date Mar 16, 2023
- Nichia Corporation.
- Takuya NAKABAYASHI
- G02 - OPTICS
Information Patent Application
LIGHT-EMITTING MODULE, SURFACE LIGHT SOURCE, AND LIQUID-CRYSTAL DIS...
- Publication number 20230059057
- Publication date Feb 23, 2023
- Nichia Corporation.
- Keiji Emura
- G02 - OPTICS
Information Patent Application
PLANAR LIGHT SOURCE
- Publication number 20220357619
- Publication date Nov 10, 2022
- Nichia Corporation.
- Toshinobu KATSUMATA
- G02 - OPTICS
Information Patent Application
SURFACE LIGHT SOURCE
- Publication number 20220342143
- Publication date Oct 27, 2022
- Nichia Corporation.
- Ryohei YAMASHITA
- G02 - OPTICS
Information Patent Application
LIGHT-EMITTING UNIT AND SURFACE-EMISSION LIGHT SOURCE
- Publication number 20220310896
- Publication date Sep 29, 2022
- Nichia Corporation.
- Takuya NAKABAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-REFLECTING MEMBER AND LIGHT SOURCE DEVICE
- Publication number 20220308272
- Publication date Sep 29, 2022
- Nichia Corporation.
- Toshiyuki HASHIMOTO
- G02 - OPTICS
Information Patent Application
LIGHT-EMITTING MODULE AND SURFACE-EMITTING LIGHT SOURCE
- Publication number 20220269129
- Publication date Aug 25, 2022
- Nichia Corporation.
- Ryohei YAMASHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BACKLIGHT DEVICE
- Publication number 20220221761
- Publication date Jul 14, 2022
- Nichia Corporation.
- Toshinobu KATSUMATA
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING LIGHT EMITTING DEVICE, LIGHT EMITTING DEVI...
- Publication number 20220173285
- Publication date Jun 2, 2022
- Nichia Corporation.
- Shimpei SASAOKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURFACE LIGHT SOURCE
- Publication number 20220075111
- Publication date Mar 10, 2022
- Nichia Corporation.
- Ryohei YAMASHITA
- G02 - OPTICS
Information Patent Application
LIGHT-EMITTING DEVICE AND PLANAR LIGHT SOURCE
- Publication number 20220066267
- Publication date Mar 3, 2022
- Nichia Corporation.
- Takuya NAKABAYASHI
- G02 - OPTICS
Information Patent Application
LIGHT-EMITTING MODULE, SURFACE LIGHT SOURCE, AND LIQUID-CRYSTAL DIS...
- Publication number 20220035202
- Publication date Feb 3, 2022
- Nichia Corporation.
- Keiji Emura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PLANAR LIGHT SOURCE AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20210373385
- Publication date Dec 2, 2021
- Nichia Corporation.
- Toshinobu KATSUMATA
- G02 - OPTICS
Information Patent Application
BACKLIGHT DEVICE
- Publication number 20210341793
- Publication date Nov 4, 2021
- Citizen Electronics Co., Ltd.
- Toshinobu KATSUMATA
- G02 - OPTICS
Information Patent Application
LIGHT EMITTING DEVICE
- Publication number 20210313487
- Publication date Oct 7, 2021
- Nichia Corporation
- Shimpei Sasaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING MODULE
- Publication number 20210302644
- Publication date Sep 30, 2021
- Nichia Corporation.
- Ryohei YAMASHITA
- G02 - OPTICS
Information Patent Application
LIGHT EMITTNG MODULE
- Publication number 20210088851
- Publication date Mar 25, 2021
- Nichia Corporation.
- Ryohei YAMASHITA
- G02 - OPTICS
Information Patent Application
LIGHT-EMITTING MODULE AND SURFACE-EMITTING LIGHT SOURCE
- Publication number 20210063818
- Publication date Mar 4, 2021
- Nichia Corporation.
- Ryohei YAMASHITA
- G02 - OPTICS
Information Patent Application
LIGHT-EMITTING UNIT AND SURFACE-EMISSION LIGHT SOURCE
- Publication number 20210036198
- Publication date Feb 4, 2021
- Nichia Corporation.
- Takuya NAKABAYASHI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT-EMITTING UNIT AND SURFACE-EMISSION LIGHT SOURCE
- Publication number 20210036199
- Publication date Feb 4, 2021
- Nichia Corporation.
- Takuya NAKABAYASHI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT EMITTING MODULE
- Publication number 20200284968
- Publication date Sep 10, 2020
- Nichia Corporation.
- Ryohei YAMASHITA
- G02 - OPTICS
Information Patent Application
LIGHT EMITTNG MODULE
- Publication number 20200285114
- Publication date Sep 10, 2020
- Nichia Corporation.
- Ryohei YAMASHITA
- G02 - OPTICS
Information Patent Application
LIGHT EMITTING DEVICE
- Publication number 20200161516
- Publication date May 21, 2020
- Nichia Corporation
- Shimpei SASAOKA
- G02 - OPTICS
Information Patent Application
LIGHT EMITTING DEVICE
- Publication number 20200105966
- Publication date Apr 2, 2020
- Nichia Corporation
- Shimpei Sasaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING DEVICE
- Publication number 20190196271
- Publication date Jun 27, 2019
- CITIZEN WATCH CO., LTD
- Toshinobu KATSUMATA
- G02 - OPTICS
Information Patent Application
SIDE EDGE PLANAR LIGHTING UNIT
- Publication number 20180120643
- Publication date May 3, 2018
- CITIZEN ELECTRONICS CO., LTD.
- Kiyokazu WATANABE
- G02 - OPTICS
Information Patent Application
PLANAR LIGHT UNIT
- Publication number 20170276859
- Publication date Sep 28, 2017
- Citizen Watch Co., Ltd.
- TOSHINOBU KATSUMATA
- G02 - OPTICS
Information Patent Application
PLANAR LIGHT UNIT
- Publication number 20160085014
- Publication date Mar 24, 2016
- CITIZEN HOLDINGS CO., LTD.
- Toshinobu KATSUMATA
- G02 - OPTICS
Information Patent Application
METHOD OF MANUFACTURING LIGHT GUIDE PLATE, LIGHT GUIDE PLATE, BACKL...
- Publication number 20080310184
- Publication date Dec 18, 2008
- Toshinobu Katsumata
- G02 - OPTICS

Toshinobu KATSUMATA

Person

Patents Grantslast 30 patents

Method for manufacturing light emitting device, light emitting devi...

Method of producing light-emitting device and planar light source

Light-emitting unit and surface-emission light source

Light-emitting unit and surface-emission light source

Light emitting device

Backlight device

Light-emitting module and surface-emitting light source

Light-emitting module, surface light source, and liquid-crystal dis...

Backlight device

Planar light source

Surface light source

Light-emitting unit and surface-emission light source

Light emitting module

Light-emitting device and planar light source

Light-emitting module, surface light source, and liquid-crystal dis...

Planar light source and liquid crystal display device

Surface light source

Light-emitting unit and surface-emission light source

Light emitting module

Light emitting device

Light-emitting module and surface-emitting light source

Planar light unit

Light emitting device

Light emitting module

Light emittng module

Light-emitting device

Light-emitting device

Side edge planar lighting unit

Planar light unit

Method of manufacturing light guide plate, light guide plate, backl...

Patents Applicationslast 30 patents

LIGHT-EMITTING UNIT AND SURFACE-EMISSION LIGHT SOURCE

LIGHT-EMITTING DEVICE AND PLANAR LIGHT SOURCE

LIGHT-EMITTING MODULE, SURFACE LIGHT SOURCE, AND LIQUID-CRYSTAL DIS...

PLANAR LIGHT SOURCE

SURFACE LIGHT SOURCE

LIGHT-EMITTING UNIT AND SURFACE-EMISSION LIGHT SOURCE

LIGHT-REFLECTING MEMBER AND LIGHT SOURCE DEVICE

LIGHT-EMITTING MODULE AND SURFACE-EMITTING LIGHT SOURCE

BACKLIGHT DEVICE

METHOD FOR MANUFACTURING LIGHT EMITTING DEVICE, LIGHT EMITTING DEVI...

SURFACE LIGHT SOURCE

LIGHT-EMITTING DEVICE AND PLANAR LIGHT SOURCE

LIGHT-EMITTING MODULE, SURFACE LIGHT SOURCE, AND LIQUID-CRYSTAL DIS...

PLANAR LIGHT SOURCE AND LIQUID CRYSTAL DISPLAY DEVICE

BACKLIGHT DEVICE

LIGHT EMITTING DEVICE

LIGHT EMITTING MODULE

LIGHT EMITTNG MODULE

LIGHT-EMITTING MODULE AND SURFACE-EMITTING LIGHT SOURCE

LIGHT-EMITTING UNIT AND SURFACE-EMISSION LIGHT SOURCE

LIGHT-EMITTING UNIT AND SURFACE-EMISSION LIGHT SOURCE

LIGHT EMITTING MODULE

LIGHT EMITTNG MODULE

LIGHT EMITTING DEVICE

LIGHT EMITTING DEVICE

LIGHT-EMITTING DEVICE

SIDE EDGE PLANAR LIGHTING UNIT

PLANAR LIGHT UNIT

PLANAR LIGHT UNIT

METHOD OF MANUFACTURING LIGHT GUIDE PLATE, LIGHT GUIDE PLATE, BACKL...