Nobuhiko Tsukahara

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cartridge drive apparatus for a disc cartridge that holds a disc
- Patent number 8,356,312
- Issue date Jan 15, 2013
- Sony Corporation
- Takeharu Takasawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc cartridge
- Patent number 8,307,383
- Issue date Nov 6, 2012
- Sony Corporation
- Takeshi Kubo
- G11 - INFORMATION STORAGE
Information Patent Grant
Mechanism to load disc from cartridge to recording apparatus
- Patent number 8,281,327
- Issue date Oct 2, 2012
- Sony Corporation
- Naofumi Goto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk recording and reproducing apparatus, remote controller...
- Patent number 7,948,379
- Issue date May 24, 2011
- Sony Corporation
- Kunihiko Miyake
- G11 - INFORMATION STORAGE
Information Patent Grant
Data transmission cable
- Patent number 7,112,746
- Issue date Sep 26, 2006
- Sony Corporation
- Nobuhiko Tsukahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical communication system, optical communication apparatus, and...
- Patent number 7,079,733
- Issue date Jul 18, 2006
- Sony Corporation
- Yoichi Toriumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Disc tray, disc-tray accommodating apparatus and disc drive apparatus
- Patent number 6,414,928
- Issue date Jul 2, 2002
- Sony Corporation
- Sunao Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk tray, disk storing apparatus and disk drive
- Patent number 6,407,982
- Issue date Jun 18, 2002
- Sony Corporation
- Sunao Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc tray, disc-tray accommodating apparatus and disc drive apparatus
- Patent number 6,345,035
- Issue date Feb 5, 2002
- Sony Corporation
- Sunao Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Two-layer optical disk unaffected by position deviation
- Patent number 6,151,293
- Issue date Nov 21, 2000
- Sony Corporation
- Sunao Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device and recording and/or reproducing apparatus fo...
- Patent number 6,021,107
- Issue date Feb 1, 2000
- Sony Corporation
- Nobuhiko Tsukahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc and disc cartridge
- Patent number 5,970,045
- Issue date Oct 19, 1999
- Sony Corporation
- Sunao Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnet-optical disc drive device with sure disc placement
- Patent number 5,448,537
- Issue date Sep 5, 1995
- Sony Corporation
- Nobuhiko Tsukahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Microfloppy disk drive with centering mechanism
- Patent number 4,989,107
- Issue date Jan 29, 1991
- Sony Corporation
- Nobuhiko Tsukahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus with automatic centering arrangement
- Patent number 4,697,216
- Issue date Sep 29, 1987
- Sony Corporation
- Nobuhiko Tsukahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Head moving apparatus using stepping motor
- Patent number 4,612,588
- Issue date Sep 16, 1986
- Sony Corporation
- Nobuhiko Tsukahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Flexible magnetic disk cassette and a recording and/or reproducing...
- Patent number 4,445,155
- Issue date Apr 24, 1984
- Sony Corporation
- Kiyoshi Takahashi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DISC CARTRIDGE
- Publication number 20110225602
- Publication date Sep 15, 2011
- SONY CORPORATION
- Takeshi Kubo
- G11 - INFORMATION STORAGE
Information Patent Application
DISC LOADING MECHANISM
- Publication number 20110119691
- Publication date May 19, 2011
- SONY CORPORATION
- Naofumi Goto
- G11 - INFORMATION STORAGE
Information Patent Application
CARTRIDGE DRIVE APPARATUS
- Publication number 20110119693
- Publication date May 19, 2011
- SONY CORPORATION
- Takeharu Takasawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk drive apparatus and optical recording-reproducing appa...
- Publication number 20070121481
- Publication date May 31, 2007
- Nobuhiko Tsukahara
- G11 - INFORMATION STORAGE
Information Patent Application
Pickup unit, drive unit, recording medium drive, and electronic device
- Publication number 20060174254
- Publication date Aug 3, 2006
- Takeharu Takasawa
- G11 - INFORMATION STORAGE
Information Patent Application
Data transmission cable
- Publication number 20060042819
- Publication date Mar 2, 2006
- Nobuhiko Tsukahara
- G02 - OPTICS
Information Patent Application
Optical disk recording and reproducing apparatus, remote controller...
- Publication number 20060013094
- Publication date Jan 19, 2006
- SONY CORPORATION
- Kunihiko Miyake
- G11 - INFORMATION STORAGE
Information Patent Application
Optical communication system, optical communication apparatus, and...
- Publication number 20050053340
- Publication date Mar 10, 2005
- Yoichi Toriumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Magnetic disk drive and disk cartridge
- Publication number 20020196580
- Publication date Dec 26, 2002
- Nobuhiko Tsukahara
- G11 - INFORMATION STORAGE

Nobuhiko Tsukahara

Person

Patents Grantslast 30 patents

Cartridge drive apparatus for a disc cartridge that holds a disc

Disc cartridge

Mechanism to load disc from cartridge to recording apparatus

Optical disk recording and reproducing apparatus, remote controller...

Data transmission cable

Optical communication system, optical communication apparatus, and...

Disc tray, disc-tray accommodating apparatus and disc drive apparatus

Disk tray, disk storing apparatus and disk drive

Disc tray, disc-tray accommodating apparatus and disc drive apparatus

Two-layer optical disk unaffected by position deviation

Optical pickup device and recording and/or reproducing apparatus fo...

Optical disc and disc cartridge

Magnet-optical disc drive device with sure disc placement

Microfloppy disk drive with centering mechanism

Disk drive apparatus with automatic centering arrangement

Head moving apparatus using stepping motor

Flexible magnetic disk cassette and a recording and/or reproducing...

Patents Applicationslast 30 patents

DISC CARTRIDGE

DISC LOADING MECHANISM

CARTRIDGE DRIVE APPARATUS

Optical disk drive apparatus and optical recording-reproducing appa...

Pickup unit, drive unit, recording medium drive, and electronic device

Data transmission cable

Optical disk recording and reproducing apparatus, remote controller...

Optical communication system, optical communication apparatus, and...

Magnetic disk drive and disk cartridge