Takao Sumida

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display device
- Patent number 10,816,837
- Issue date Oct 27, 2020
- Saturn Licensing LLC
- Takeshi Yamamoto
- G02 - OPTICS
Information Patent Grant
Display device and illumination device
- Patent number 10,502,891
- Issue date Dec 10, 2019
- Sony Corporation
- Soya Araki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Rear projection display apparatus and transmission type screen
- Patent number 7,554,729
- Issue date Jun 30, 2009
- Sony Corporation
- Takao Sumida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light-absorptive antireflection filter, with pigment containing lig...
- Patent number 6,784,608
- Issue date Aug 31, 2004
- Sony Corporation
- Soya Araki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Anti-reflection member and cathode ray tube
- Patent number 6,628,065
- Issue date Sep 30, 2003
- Sony Corporation
- Soya Araki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY DEVICE AND ILLUMINATION DEVICE
- Publication number 20170227705
- Publication date Aug 10, 2017
- SONY CORPORATION
- Soya Araki
- G02 - OPTICS
Information Patent Application
DISPLAY DEVICE
- Publication number 20170227806
- Publication date Aug 10, 2017
- SONY CORPORATION
- Takeshi Yamamoto
- G02 - OPTICS
Information Patent Application
DISPLAY UNIT AND ELECTRONIC APPARATUS
- Publication number 20140300710
- Publication date Oct 9, 2014
- SONY CORPORATION
- Masaki Shinoda
- G02 - OPTICS
Information Patent Application
Rear projection display apparatus and transmission type screen
- Publication number 20070206161
- Publication date Sep 6, 2007
- Takao Sumida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Anti-reflection member and cathode ray tube
- Publication number 20020047509
- Publication date Apr 25, 2002
- Soya Araki
- G02 - OPTICS
Information Patent Application
Light absorption/anti-reflection material member and display apparatus
- Publication number 20020018887
- Publication date Feb 14, 2002
- Takao Sumida
- B32 - LAYERED PRODUCTS
Information Patent Application
Light-absorptive antireflection filter, display device, and methods...
- Publication number 20010006324
- Publication date Jul 5, 2001
- Sony Corporation
- Soya Araki
- C03 - GLASS MINERAL OR SLAG WOOL