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Yutaka Akiba
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Back light device, liquid crystal display apparatus and image displ...
Patent number
8,259,257
Issue date
Sep 4, 2012
Hitachi Consumer Electronics Co., Ltd.
Yutaka Akiba
G02 - OPTICS
Information
Patent Grant
Light source and liquid crystal display device using the same
Patent number
8,017,959
Issue date
Sep 13, 2011
Hitachi, Ltd.
Yutaka Akiba
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plasma display panel and display employing the same having transpar...
Patent number
7,605,778
Issue date
Oct 20, 2009
Hitachi, Ltd.
Yutaka Akiba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
AC drive type plasma display panel having display electrodes on fro...
Patent number
7,046,218
Issue date
May 16, 2006
Hitachi, Ltd.
Yutaka Akiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for driving plasma display panel
Patent number
7,009,586
Issue date
Mar 7, 2006
Hitachi, Ltd.
Yutaka Akiba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Plasma display panel driving method, driving circuit and image disp...
Patent number
6,947,015
Issue date
Sep 20, 2005
Hitachi, Ltd.
Yutaka Akiba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method for driving plasma display panel
Patent number
6,903,711
Issue date
Jun 7, 2005
Hitachi, Ltd.
Yutaka Akiba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Plasma display panel with metal barrier plates with projections
Patent number
6,873,105
Issue date
Mar 29, 2005
Hitachi, Ltd.
Yutaka Akiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
AC drive type plasma display panel having display electrodes on fro...
Patent number
6,784,616
Issue date
Aug 31, 2004
Hitachi, Ltd.
Yutaka Akiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low-EMI electronic apparatus, low-EMI circuit board, and method of...
Patent number
6,707,682
Issue date
Mar 16, 2004
Hitachi, Ltd.
Yutaka Akiba
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
AC drive type plasma display panel having display electrodes on fro...
Patent number
6,696,787
Issue date
Feb 24, 2004
Hitachi, Ltd.
Yutaka Akiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
AC drive type plasma display panel having display electrodes on fro...
Patent number
6,414,435
Issue date
Jul 2, 2002
Hitachi, Ltd.
Yutaka Akiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low-EMI electronic apparatus, low-EMI circuit board, and method of...
Patent number
6,353,540
Issue date
Mar 5, 2002
Hitachi, Ltd.
Yutaka Akiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low-EMI circuit board and low-EMI cable connector
Patent number
6,188,297
Issue date
Feb 13, 2001
Hitachi, Ltd.
Yutaka Akiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Shielding method and circuit board employing the same
Patent number
5,491,301
Issue date
Feb 13, 1996
Hitachi, Ltd.
Yutaka Akiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic bubble memory module with interconnection member
Patent number
4,975,871
Issue date
Dec 4, 1990
Hitachi, Ltd.
Yutaka Akiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic bubble memory module with interconnection member
Patent number
4,972,369
Issue date
Nov 20, 1990
Hitachi, Ltd.
Yutaka Akiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing probing head for testing equipment of semi-...
Patent number
4,952,272
Issue date
Aug 28, 1990
Hitachi, Ltd.
Hironobu Okino
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for testing semiconductor device
Patent number
4,931,726
Issue date
Jun 5, 1990
Hitachi, Ltd.
Susumu Kasukabe
G01 - MEASURING TESTING
Information
Patent Grant
Magneto-optical recorder with small-sized, low-powered electromagne...
Patent number
4,803,674
Issue date
Feb 7, 1989
Hitachi, Ltd.
Takeshi Nakao
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic field confirming case with inclined portions for magnetic...
Patent number
4,730,271
Issue date
Mar 8, 1988
Hitachi, Ltd.
Yutaka Akiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic bubble memory module
Patent number
4,694,423
Issue date
Sep 15, 1987
Hitachi, Ltd.
Yutaka Akiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic bubble memory unit
Patent number
4,663,737
Issue date
May 5, 1987
Hitachi, Ltd.
Yutaka Akiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic bubble memory device
Patent number
4,592,014
Issue date
May 27, 1986
Hitachi, Ltd.
Yutaka Akiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic bubble memory module
Patent number
4,592,015
Issue date
May 27, 1986
Hitachi, Ltd.
Yutaka Akiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Litz wire for degreasing skin effect at high frequency
Patent number
4,549,042
Issue date
Oct 22, 1985
Hitachi, Ltd.
Yutaka Akiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Litz wire
Patent number
4,546,210
Issue date
Oct 8, 1985
Hitachi, Ltd.
Yutaka Akiba
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
BACK LIGHT DEVICE, LIQUID CRYSTAL DISPLAY APPARATUS AND IMAGE DISPL...
Publication number
20100066943
Publication date
Mar 18, 2010
Yutaka AKIBA
G02 - OPTICS
Information
Patent Application
Illumination Device and Display Device Using Illumination Device
Publication number
20080002100
Publication date
Jan 3, 2008
Hiroki Kaneko
G02 - OPTICS
Information
Patent Application
Light source and liquid crystal display device using the same
Publication number
20070194340
Publication date
Aug 23, 2007
Yutaka Akiba
G02 - OPTICS
Information
Patent Application
Plasma display panel and display employing the same
Publication number
20030132898
Publication date
Jul 17, 2003
Yutaka Akiba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Method for driving plasma display panel
Publication number
20030122742
Publication date
Jul 3, 2003
Yutaka Akiba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Plasma display panel driving method, driving circuit and image disp...
Publication number
20020149548
Publication date
Oct 17, 2002
Hitachi, Ltd
Yutaka Akiba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Plasma display panel
Publication number
20020145387
Publication date
Oct 10, 2002
Hitachi, Ltd
Yutaka Akiba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for driving plasma display panel
Publication number
20020135545
Publication date
Sep 26, 2002
Hitachi, Ltd
Yutaka Akiba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS