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Naoya OKA
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Ibaraki-shi, Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Video display apparatus-apparatus communication
Patent number
10,509,614
Issue date
Dec 17, 2019
MAXELL, LTD.
Hiroyuki Urata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Projection video display apparatus
Patent number
10,491,868
Issue date
Nov 26, 2019
MAXELL, LTD.
Shuhei Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projection-type image display device
Patent number
9,900,569
Issue date
Feb 20, 2018
Hitachi Maxell, Ltd.
Eriko Nagata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Television device for adjusting quality of video image to be displayed
Patent number
8,390,640
Issue date
Mar 5, 2013
Hitachi Consumer Electronics Co., Ltd.
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image display apparatus, image signal processing circuit used there...
Patent number
7,916,158
Issue date
Mar 29, 2011
Hitachi, Ltd.
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid crystal display, as well as, a backlight controller and a me...
Patent number
7,825,893
Issue date
Nov 2, 2010
Hitachi, Ltd.
Naoya Oka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image processing apparatus
Patent number
7,719,619
Issue date
May 18, 2010
Hitachi, Ltd.
Naoya Oka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image display apparatus
Patent number
7,369,183
Issue date
May 6, 2008
Hitachi, Ltd.
Naoya Oka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
VIDEO DISPLAY DEVICE AND PROJECTOR
Publication number
20230051479
Publication date
Feb 16, 2023
Maxell, Ltd.
Hiroshi AOKI
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
PROJECTION TYPE VIDEO DISPLAY DEVICE
Publication number
20220070421
Publication date
Mar 3, 2022
Maxell, Ltd.
Eriko NAGATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROJECTION VIDEO DISPLAY APPARATUS
Publication number
20190191132
Publication date
Jun 20, 2019
Maxell, Ltd.
Shuhei KOBAYASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VIDEO DISPLAY APPARATUS
Publication number
20190005917
Publication date
Jan 3, 2019
Maxell, Ltd.
Hiroyuki URATA
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
PROJECTION-TYPE IMAGE DISPLAY DEVICE
Publication number
20170155880
Publication date
Jun 1, 2017
HITACHI MAXELL, LTD.
Eriko NAGATA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
Publication number
20110316829
Publication date
Dec 29, 2011
Hitachi Consumer Electronics Co., Ltd.
Naoya OKA
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
TELEVISION DEVICE
Publication number
20100220109
Publication date
Sep 2, 2010
Hiroshi AOKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIQUID CRYSTAL DISPLAY, AS WELL AS, A BACKLIGHT CONTROLLER AND A ME...
Publication number
20080117160
Publication date
May 22, 2008
Naoya Oka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Image processing apparatus
Publication number
20060256240
Publication date
Nov 16, 2006
Naoya Oka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image display apparatus, image signal processing circuit used there...
Publication number
20060245017
Publication date
Nov 2, 2006
Hiroshi Aoki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image display apparatus
Publication number
20060061842
Publication date
Mar 23, 2006
Naoya Oka
H04 - ELECTRIC COMMUNICATION TECHNIQUE