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Atsushi Yoshioka
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sound processing unit, sound processing system, audio output unit a...
Patent number
10,397,703
Issue date
Aug 27, 2019
MAXELL, LTD.
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sound processing unit, sound processing system, audio output unit a...
Patent number
10,136,221
Issue date
Nov 20, 2018
MAXELL, LTD.
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital information recording apparatus, reproducing apparatus and...
Patent number
9,773,522
Issue date
Sep 26, 2017
Hitachi Maxell, Ltd.
Hiroo Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital information recording apparatus, reproducing apparatus and...
Patent number
9,083,942
Issue date
Jul 14, 2015
Hitachi Maxell, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Sound processing unit, sound processing system, audio output unit a...
Patent number
8,903,105
Issue date
Dec 2, 2014
Hitachi Maxell, Ltd.
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital information recording apparatus, reproducing apparatus and...
Patent number
8,311,389
Issue date
Nov 13, 2012
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Sound processing unit, sound processing system, audio output unit a...
Patent number
8,213,630
Issue date
Jul 3, 2012
Hitachi, Ltd.
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital information recording apparatus and recording/reproducing a...
Patent number
7,856,560
Issue date
Dec 21, 2010
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Video information outputting apparatus, video information receiving...
Patent number
7,587,126
Issue date
Sep 8, 2009
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording and playback apparatus for stream data and transmission m...
Patent number
7,343,012
Issue date
Mar 11, 2008
Hitachi, Ltd.
Yoshimichi Kudo
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital information recording apparatus and recording/reproducing a...
Patent number
7,340,613
Issue date
Mar 4, 2008
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital information recording apparatus and outputting apparatus
Patent number
7,310,823
Issue date
Dec 18, 2007
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Video processing device
Patent number
7,289,168
Issue date
Oct 30, 2007
Hitachi, Ltd.
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for outputting digital information
Patent number
7,263,723
Issue date
Aug 28, 2007
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Video processing device
Patent number
7,019,791
Issue date
Mar 28, 2006
Hitachi, Ltd.
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable information processing apparatus
Patent number
6,840,448
Issue date
Jan 11, 2005
Hitachi, Ltd.
Shinichiro Fukushima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
DMA address buffer and cache-memory control system
Patent number
6,345,320
Issue date
Feb 5, 2002
Fujitsu Limited
Shigeaki Kawamata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Control data transmission system
Patent number
5,532,682
Issue date
Jul 2, 1996
Fujitsu Limited
Masami Murayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Wide picture video recording/reproducing system
Patent number
5,528,433
Issue date
Jun 18, 1996
Hitachi, Ltd.
Shigeyuki Itoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Magnetic recording and reproducing apparatus
Patent number
5,351,154
Issue date
Sep 27, 1994
Hitachi, Ltd.
Atsushi Yoshioka
G11 - INFORMATION STORAGE
Information
Patent Grant
Video tape recorder/player
Patent number
5,307,171
Issue date
Apr 26, 1994
Hitachi, Ltd.
Nobuo Azuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for initial program loading responding to notification from...
Patent number
5,305,457
Issue date
Apr 19, 1994
Fujitsu Limited
Masatoshi Takida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Emergency resumption processing apparatus for an information proces...
Patent number
5,226,151
Issue date
Jul 6, 1993
Fujitsu Limited
Masatoshi Takida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic video recording/reproducing apparatus for video signals of...
Patent number
5,122,885
Issue date
Jun 16, 1992
Hitachi, Ltd.
Atsushi Yoshioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Magnetic recording/reproducing apparatus
Patent number
5,121,266
Issue date
Jun 9, 1992
Hitachi, Ltd.
Yoichi Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Comb filter type luminance/chrominance signal separation circuit
Patent number
5,047,866
Issue date
Sep 10, 1991
Hitachi, Ltd.
Katsuyuki Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video signal recording and reproducing method and apparatus
Patent number
4,916,553
Issue date
Apr 10, 1990
Hitachi, Ltd.
Atsushi Yoshioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Magnetic recording and reproducing apparatus
Patent number
4,786,986
Issue date
Nov 22, 1988
Hitachi, Ltd.
Fumihiko Yamanushi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
VTR having magnetic-head array capable of recording/reproducing sig...
Patent number
4,743,977
Issue date
May 10, 1988
Hitachi, Ltd.
Atsushi Yoshioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Recording and reproducing apparatus for a video tape recorder
Patent number
4,613,912
Issue date
Sep 23, 1986
Hitachi, Ltd.
Akira Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SOUND PROCESSING UNIT, SOUND PROCESSING SYSTEM, AUDIO OUTPUT UNIT A...
Publication number
20190052968
Publication date
Feb 14, 2019
Maxell, Ltd.
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIGITAL INFORMATION RECORDING APPARATUS, REPRODUCING APPARATUS AND...
Publication number
20170365292
Publication date
Dec 21, 2017
Hitachi Maxell, Ltd.
Hiroo OKAMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
DIGITAL INFORMATION RECORDING APPARATUS, REPRODUCING APPARATUS AND...
Publication number
20150340059
Publication date
Nov 26, 2015
Hitachi Maxell, Ltd.
HITOAKI OWASHI
G11 - INFORMATION STORAGE
Information
Patent Application
Advertising Provision System, Advertising Control Device, and Adver...
Publication number
20150058115
Publication date
Feb 26, 2015
KABUSHIKI KAISHA SEGA DBA SEGA CORPORATION
Minoru Iwaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Sound Processing Unit, Sound Processing System, Audio Output Unit A...
Publication number
20140363018
Publication date
Dec 11, 2014
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIGITAL INFORMATION RECORDING APPARATUS, REPRODUCING APPARATUS AND...
Publication number
20130094837
Publication date
Apr 18, 2013
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Sound Processing Unit, Sound Processing System, Audio Output Unit a...
Publication number
20110096935
Publication date
Apr 28, 2011
Hitachi, Ltd
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Video Information Outputting Apparatus, Video Information Receiving...
Publication number
20090290851
Publication date
Nov 26, 2009
Hitachi, Ltd
Hiroo Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SOUND PROCESSING UNIT, SOUND PROCESSING SYSTEM, AUDIO OUTPUT UNIT A...
Publication number
20090041257
Publication date
Feb 12, 2009
Hitachi, Ltd
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital Information Recording Apparatus and Outputting Apparatus
Publication number
20080310826
Publication date
Dec 18, 2008
Hitachi, Ltd
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Digital Information Recording Apparatus and Recording/Reproducing A...
Publication number
20080141038
Publication date
Jun 12, 2008
Hitachi, Ltd
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Application
DIGITAL INFORMATION RECORDING APPARATUS, REPRODUCING APPARATUS AND...
Publication number
20080031591
Publication date
Feb 7, 2008
Hiroo Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sound processing unit, sound processing system, audio output unit a...
Publication number
20070133812
Publication date
Jun 14, 2007
Hitachi, Ltd
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Video processing device
Publication number
20060125959
Publication date
Jun 15, 2006
Hitachi, Ltd
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Portable information processing apparatus
Publication number
20040041025
Publication date
Mar 4, 2004
Shinichiro Fukushima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus and method for outputting digital information
Publication number
20030219123
Publication date
Nov 27, 2003
Hiroo Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sound processing unit, sound processing system, audio output unit a...
Publication number
20030185400
Publication date
Oct 2, 2003
Hitachi, Ltd
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Video processing device
Publication number
20030090590
Publication date
May 15, 2003
Kazuhiko Yoshizawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Video information outputting apparatus, video information receiving...
Publication number
20030086695
Publication date
May 8, 2003
Hitachi, Ltd
Hiroo Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital information recording apparatus and recording/reproducing a...
Publication number
20030086567
Publication date
May 8, 2003
Hitachi, Ltd
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Digital information recording apparatus, reproducing apparatus and...
Publication number
20030077074
Publication date
Apr 24, 2003
Hiroo Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital information recording apparatus and outputting apparatus
Publication number
20030026425
Publication date
Feb 6, 2003
Hitachi, Ltd
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Recording and playback apparatus for stream data and transmission m...
Publication number
20020114462
Publication date
Aug 22, 2002
Hitachi, Ltd
Yoshimichi Kudo
G11 - INFORMATION STORAGE