Kenji Torazawa

Person

Ogaki, JP

People

Patents Grantslast 30 patents

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
Optical recording disc capable of preventing illegal copy
- Patent number 6,438,097
- Issue date Aug 20, 2002
- Sanyo Electric Co., LTD
- Seiji Kajiyama
- 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
Storage medium recorded with recording/reproducing conditions depen...
- Patent number 6,339,571
- Issue date Jan 15, 2002
- Sanyo Electric Co., Ltd.
- Kenji Torazawa
- G11 - INFORMATION STORAGE
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
Optical recording disc capable of preventing illegal copy
- Patent number 6,262,967
- Issue date Jul 17, 2001
- Sanyo Electric Co., LTD
- Seiji Kajiyama
- 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
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
Optical recording disc capable of preventing illegal copy
- Patent number 6,108,296
- Issue date Aug 22, 2000
- Sanyo Electric Co., Ltd.
- Seiji Kajiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Light guide plate and surface light source using the light guide plate
- Patent number 5,999,685
- Issue date Dec 7, 1999
- Sanyo Electric Co., Ltd.
- Youichiro Goto
- G02 - OPTICS
Information Patent Grant
Optical disc manufacturing apparatus
- Patent number 5,997,276
- Issue date Dec 7, 1999
- Sanyo Electric Co., Ltd.
- Kenji Torazawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical disk recording/playback device with means to recognize, rea...
- Patent number 5,914,929
- Issue date Jun 22, 1999
- Sanyo Electric Co., Ltd.
- Seizo Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Audio data recording/reproducing apparatus having digital high-spee...
- Patent number 5,363,364
- Issue date Nov 8, 1994
- Sanyo Electric Co., Ltd.
- Kenji Torazawa
- 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 Applicationslast 30 patents

Information Patent Application
Illuminating device and projection type image display unit
- Publication number 20060132725
- Publication date Jun 22, 2006
- Fusao Terada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Record medium and reproducing apparatus of the same
- Publication number 20010033532
- Publication date Oct 25, 2001
- Kenji Asano
- G11 - INFORMATION STORAGE

Kenji Torazawa

Person

Patents Grantslast 30 patents

Record medium and reproducing apparatus of the same for detecting a...

Information recording/reproducing apparatus

Optical recording disc capable of preventing illegal copy

Information recording/reproducing apparatus to record/reproduce inf...

Storage medium recorded with recording/reproducing conditions depen...

Digital disk recording and reproduction apparatus

Optical recording disc capable of preventing illegal copy

Recording and reproduction device for a magneto-optic recording med...

Digital recording method, digital disk, digital disk recording devi...

Optical recording disc capable of preventing illegal copy

Light guide plate and surface light source using the light guide plate

Optical disc manufacturing apparatus

Optical disk recording/playback device with means to recognize, rea...

Audio data recording/reproducing apparatus having digital high-spee...

Optical recording apparatus with simultaneous erasing and recording

Patents Applicationslast 30 patents

Illuminating device and projection type image display unit

RECORD MEDIUM ANDREPRODUCING APPARATUS OF THE SAME HAVING SIDEWALLS...

Record medium and reproducing apparatus of the same