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Masayuki Sukigara
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Suzuka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical sheet, backlight unit, liquid crystal display device, and i...
Patent number
11,886,075
Issue date
Jan 30, 2024
KEIWA INCORPORATED
Chengheng Tsai
G02 - OPTICS
Information
Patent Grant
Optical sheet, backlight unit, liquid crystal display device, and i...
Patent number
11,360,350
Issue date
Jun 14, 2022
Keiwa Inc.
Chengheng Tsai
G02 - OPTICS
Information
Patent Grant
Optical sheet, backlight unit, liquid crystal display device, and i...
Patent number
11,150,512
Issue date
Oct 19, 2021
Keiwa Inc.
Chengheng Tsai
G02 - OPTICS
Information
Patent Grant
Multilayer of light diffusers, backlight unit, and liquid crystal d...
Patent number
11,143,914
Issue date
Oct 12, 2021
Keiwa Inc.
Chengheng Tsai
G02 - OPTICS
Information
Patent Grant
Matte film
Patent number
7,879,440
Issue date
Feb 1, 2011
Asahi Kasei Life and Living Corporation
Michihiro Yatsuzuka
B32 - LAYERED PRODUCTS
Information
Patent Grant
Matte film or sheet
Patent number
7,820,276
Issue date
Oct 26, 2010
ASAHI KASEI CHEMICALS CORPORATION
Masayuki Sukigara
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Biaxially oriented polylactic acid-based resin films
Patent number
7,175,917
Issue date
Feb 13, 2007
Asahi Kasei Life and Living Corporation
Masayuki Sukigara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
LIGHT DIFFUSION SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVIC...
Publication number
20240345294
Publication date
Oct 17, 2024
Keiwa Incorporated
Masayuki SUKIGARA
G02 - OPTICS
Information
Patent Application
LIGHT DIFFUSION SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVIC...
Publication number
20240295678
Publication date
Sep 5, 2024
KEIWA INC.
Masayuki SUKIGARA
G02 - OPTICS
Information
Patent Application
OPTICAL SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE, AND I...
Publication number
20240134226
Publication date
Apr 25, 2024
Keiwa Incorporated
Chengheng TSAI
G02 - OPTICS
Information
Patent Application
LIGHT DIFFUSION SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVIC...
Publication number
20230400609
Publication date
Dec 14, 2023
KEIWA INC.
Masayuki SUKIGARA
G02 - OPTICS
Information
Patent Application
OPTICAL SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE, AND I...
Publication number
20220326571
Publication date
Oct 13, 2022
KEIWA INC.
Chengheng TSAI
G02 - OPTICS
Information
Patent Application
OPTICAL SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE, AND I...
Publication number
20220004058
Publication date
Jan 6, 2022
KEIWA INC.
Chengheng TSAI
G02 - OPTICS
Information
Patent Application
OPTICAL SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE, AND I...
Publication number
20200341335
Publication date
Oct 29, 2020
KEIWA INC.
Chengheng TSAI
G02 - OPTICS
Information
Patent Application
MULTILAYER OF LIGHT DIFFUSERS, BACKLIGHT UNIT, AND LIQUID CRYSTAL D...
Publication number
20200292881
Publication date
Sep 17, 2020
KEIWA INC.
Chengheng TSAI
G02 - OPTICS
Information
Patent Application
Biodegradable resin film or sheet and process for producing the same
Publication number
20100219557
Publication date
Sep 2, 2010
ASAHI KASEI LIFE & LIVING CORPORATION
Mitsuyoshi Itada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Matte Film or Sheet
Publication number
20080044650
Publication date
Feb 21, 2008
Masayuki Sukigara
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
Matte film
Publication number
20070160782
Publication date
Jul 12, 2007
Michihiro Yatsuzuka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Biodegradable resin film or sheet and process for producing the same
Publication number
20060257676
Publication date
Nov 16, 2006
Mitsuyoshi Itada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Biaxially oriented polylactic acid-based resin films
Publication number
20050008815
Publication date
Jan 13, 2005
Masayuki Sukigara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...