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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light emitting element drive apparatus and portable apparatus using...
Patent number
9,717,124
Issue date
Jul 25, 2017
Sony Corporation
Kazuhito Tsuchida
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Light emitting element drive apparatus and portable apparatus using...
Patent number
9,148,927
Issue date
Sep 29, 2015
Sony Corporation
Kazuhito Tsuchida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light emitting element drive apparatus and portable apparatus using...
Patent number
9,041,643
Issue date
May 26, 2015
Sony Corporation
Kazuhito Tsuchida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light emitting element drive apparatus and portable apparatus using...
Patent number
8,941,581
Issue date
Jan 27, 2015
Sony Corporation
Kazuhito Tsuchida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light emitting element drive apparatus and portable apparatus using...
Patent number
8,654,059
Issue date
Feb 18, 2014
Sony Corporation
Kazuhito Tsuchida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light emitting element drive apparatus and portable apparatus using...
Patent number
8,618,745
Issue date
Dec 31, 2013
Sony Corporation
Kazuhito Tsuchida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Light emitting element drive apparatus and portable apparatus using...
Patent number
7,365,718
Issue date
Apr 29, 2008
Sony Corporation
Kazuhito Tsuchida
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
LIGHT EMITTING ELEMENT DRIVE APPARATUS AND PORTABLE APPARATUS USING...
Publication number
20150359058
Publication date
Dec 10, 2015
SONY CORPORATION
Kazuhito Tsuchida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LIGHT EMITTING ELEMENT DRIVE APPARATUS AND PORTABLE APPARATUS USING...
Publication number
20140339997
Publication date
Nov 20, 2014
Kazuhito Tsuchida
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
LIGHT EMITTING ELEMENT DRIVE APPARATUS AND PORTABLE APPARATUS USING...
Publication number
20140225522
Publication date
Aug 14, 2014
SONY MOBILE COMMUNICATIONS INC.
Kazuhito Tsuchida
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
LIGHT EMITTING ELEMENT DRIVE APPARATUS AND PORTABLE APPARATUS USING...
Publication number
20140078030
Publication date
Mar 20, 2014
SONY MOBILE COMMUNICATIONS INC.
Kazuhito Tsuchida
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
LIGHT EMITTING ELEMENT DRIVE APPARATUS AND PORTABLE APPARATUS USING...
Publication number
20130033196
Publication date
Feb 7, 2013
Sony Mobile Communications Japan, Inc.
Kazuhito Tsuchida
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Light emitting element drive apparatus and portable apparatus using...
Publication number
20080204381
Publication date
Aug 28, 2008
SONY CORPORATION
Kazuhito Tsuchida
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Light emitting element drive device and mobile device using the same
Publication number
20050225515
Publication date
Oct 13, 2005
Sony Corporation
Kazuhito Tsuchida
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Power supply device, transistor driving method, recording medium
Publication number
20030164727
Publication date
Sep 4, 2003
Kazuo Sudo
G05 - CONTROLLING REGULATING