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Satoshi Sumi
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Gifu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Information recording and reproducing apparatus
Patent number
8,107,330
Issue date
Jan 31, 2012
Sanyo Electric Co., LTD
Yoshihisa Suzuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc device for recording and reproducing information on an...
Patent number
7,729,217
Issue date
Jun 1, 2010
Sanyo Electric Co., LTD
Ken Hirose
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium, optical recording method, optical reprodu...
Patent number
7,719,953
Issue date
May 18, 2010
Sanyo Electric Co., LTD
Morio Nakatani
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording medium and layer structure
Patent number
7,604,878
Issue date
Oct 20, 2009
Sanyo Electric Co., LTD
Morio Nakatani
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc device
Patent number
7,428,198
Issue date
Sep 23, 2008
Sanyo Electric Co., LTD
Kenji Nakao
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc device
Patent number
7,327,651
Issue date
Feb 5, 2008
Sanyo Electric Co., LTD
Kenji Nakao
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording apparatus capable of adjusting the magnet...
Patent number
6,920,087
Issue date
Jul 19, 2005
Sanyo Electric Co., LTD
Satoshi Sumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording medium including a calibration magnetic d...
Patent number
6,847,590
Issue date
Jan 25, 2005
Sanyo Electric Co., Ltd.
Atsushi Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Record medium and reproducing apparatus of the same for detecting a...
Patent number
6,621,772
Issue date
Sep 16, 2003
Sanyo Electric Co., Ltd.
Kenji Asano
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording/reproducing apparatus
Patent number
6,538,968
Issue date
Mar 25, 2003
Sanyo Electric Co,. Ltd.
Atsushi Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording media having an auxiliary magnetic layer
Patent number
6,424,601
Issue date
Jul 23, 2002
Hitachi Maxell, Ltd.
Satoru Oonuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording/reproducing apparatus to record/reproduce inf...
Patent number
6,400,653
Issue date
Jun 4, 2002
Sanyo Electric Co. Ltd.
Kenji Torazawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup device having compatibility with tracking system, an...
Patent number
6,385,158
Issue date
May 7, 2002
Sanyo Electric Co., LTD
Naoyuki Takagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording and reproduction apparatus carrying out recor...
Patent number
6,327,232
Issue date
Dec 4, 2001
Sanyo Electric Co., LTD
Kenji Tanase
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Digital disk recording and reproduction apparatus
Patent number
6,324,138
Issue date
Nov 27, 2001
Sanyo Electric Co., Ltd.
Yoshihiro Hori
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording and reproduction apparatus carrying out recor...
Patent number
6,324,137
Issue date
Nov 27, 2001
Sanyo Electric Co., LTD
Kenji Tanase
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Information recording and reproduction apparatus carrying out recor...
Patent number
6,314,070
Issue date
Nov 6, 2001
Sanyo Electric Co., LTD
Kenji Tanase
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magneto-optical recording medium and recording/reproducing apparatu...
Patent number
6,301,199
Issue date
Oct 9, 2001
Sanyo Electric Co., Ltd.
Atsushi Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording and reproduction device for a magneto-optic recording med...
Patent number
6,243,326
Issue date
Jun 5, 2001
Sanyo Electric Co., Ltd.
Satoshi Sumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording and reproduction apparatus using a pulsed las...
Patent number
6,240,056
Issue date
May 29, 2001
Sanyo Electric Co., LTD
Kenji Tanase
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magneto-optical recording and reproducing apparatus and method
Patent number
6,205,092
Issue date
Mar 20, 2001
Sanyo Electric Co., Ltd.
Atsushi Yamaguchi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Digital recording method, digital disk, digital disk recording devi...
Patent number
6,198,710
Issue date
Mar 6, 2001
Sanyo Electric Co., Ltd.
Yoshihiro Hori
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and method for recording/reproducing magneto-optical info...
Patent number
6,169,714
Issue date
Jan 2, 2001
Hitachi, Ltd.
Yasuhito Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording medium and manufacturing method thereof
Patent number
5,968,678
Issue date
Oct 19, 1999
Sanyo Electric., Ltd.
Kenji Tanase
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording device having a controllable polarizing f...
Patent number
5,796,683
Issue date
Aug 18, 1998
Sanyo Electric Co., Ltd.
Satoshi Sumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Signal recording method for optical disk and apparatus therefor
Patent number
5,327,414
Issue date
Jul 5, 1994
Sanyo Electric Co., Ltd.
Masami Makino
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording apparatus with simultaneous erasing and recording
Patent number
4,993,011
Issue date
Feb 12, 1991
Sanyo Electric Co., Ltd.
Kenji Torazawa
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Production method of curved-surface metal mold having fine uneven s...
Publication number
20070144700
Publication date
Jun 28, 2007
SANYO ELECTRIC CO., LTD.
Shinji Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Optical recording medium, optical recording method, optical reprodu...
Publication number
20060083154
Publication date
Apr 20, 2006
SANYO ELECTRIC CO., LTD.
Morio Nakatani
G11 - INFORMATION STORAGE
Information
Patent Application
Magneto-optical recording medium and layer structure
Publication number
20060053433
Publication date
Mar 9, 2006
SANYO ELECTRIC CO., LTD.
Morio Nakatani
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disc device
Publication number
20050232122
Publication date
Oct 20, 2005
SANYO ELECTRIC CO., LTD.
Kenji Nakao
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disc device
Publication number
20050213452
Publication date
Sep 29, 2005
SANYO ELECTRIC CO., LTD.
Ken Hirose
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disc device
Publication number
20050213451
Publication date
Sep 29, 2005
SANYO ELECTRIC CO., LTD.
Kenji Nakao
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk device
Publication number
20050195724
Publication date
Sep 8, 2005
SANYO ELECTRIC CO., LTD.
Noboru Mamiya
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording and reproducing apparatus
Publication number
20050180278
Publication date
Aug 18, 2005
SANYO ELECTRIC CO., LTD.
Yoshihisa Suzuki
G11 - INFORMATION STORAGE
Information
Patent Application
Magneto-optical disk apparatus
Publication number
20030227832
Publication date
Dec 11, 2003
Satoshi Sumi
G11 - INFORMATION STORAGE
Information
Patent Application
Magneto-optical recording medium having different magnetic domain r...
Publication number
20030107956
Publication date
Jun 12, 2003
Hitachi Maxwell, Ltd.
Hiroyuki Awano
G11 - INFORMATION STORAGE
Information
Patent Application
Magneto-optical recording medium having different magnetic domain r...
Publication number
20020018404
Publication date
Feb 14, 2002
HITACHI MAXELL, LTD.
Hiroyuki Awano
G11 - INFORMATION STORAGE
Information
Patent Application
RECORD MEDIUM ANDREPRODUCING APPARATUS OF THE SAME HAVING SIDEWALLS...
Publication number
20020012295
Publication date
Jan 31, 2002
Sanyo Electric Co., Ltd.
KENJI ASANO
G11 - INFORMATION STORAGE
Information
Patent Application
Magneto-optical recording medium and recording/reproducing apparatu...
Publication number
20010050885
Publication date
Dec 13, 2001
SANYO ELECTRIC CO., LTD.
Atsushi Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Application
Record medium and reproducing apparatus of the same
Publication number
20010033532
Publication date
Oct 25, 2001
Kenji Asano
G11 - INFORMATION STORAGE
Information
Patent Application
Magneto-optical recording and reproducing apparatus and method
Publication number
20010015937
Publication date
Aug 23, 2001
Sanyo Electric Co. Ltd,
Atsushi Yamaguchi
B82 - NANO-TECHNOLOGY
Information
Patent Application
Information recording and reproduction apparatus carrying out recor...
Publication number
20010014065
Publication date
Aug 16, 2001
Sanyo Electric Co., Ltd.
Kenji Tanase
B82 - NANO-TECHNOLOGY
Information
Patent Application
Information recording and reproduction apparatus carrying out recor...
Publication number
20010012251
Publication date
Aug 9, 2001
Sanyo Electric Co., Ltd.
Kenji Tanase
B82 - NANO-TECHNOLOGY