using magnetic foils

Industry

CPC
G11B5/016

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GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B5/00Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor

Current Industry

G11B5/016using magnetic foils

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording and reproduction method
- Patent number 7,092,210
- Issue date Aug 15, 2006
- Fuji Photo Film Co., Ltd.
- Hitoshi Noguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording apparatus
- Patent number 7,057,839
- Issue date Jun 6, 2006
- Rohm Co., Ltd.
- Daisuke Shikuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and device for varying resonant frequency of magnetic memory...
- Patent number 6,940,673
- Issue date Sep 6, 2005
- Sony Corporation
- Satoshi Goto
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital VFO device
- Patent number 6,833,971
- Issue date Dec 21, 2004
- NEC Electronics Corporation
- Tomokazu Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Flexible disk device, disk formatting method, and recording/reprodu...
- Patent number 6,768,605
- Issue date Jul 27, 2004
- Matsushita Electric Industrial Co., Ltd.
- Masaki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Monolithic optical pickup and an assembly including the pickup with...
- Patent number 6,747,257
- Issue date Jun 8, 2004
- Infineon Technologies North America Corp.
- Stephen W. Farnsworth
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking error signal detection system for optical recording medium
- Patent number 6,728,192
- Issue date Apr 27, 2004
- Matsushita Electric Industrial Co., Ltd.
- Shin-ichi Kadowaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic head
- Patent number 6,675,464
- Issue date Jan 13, 2004
- Minebea Co., Ltd.
- Motoji Egawa
- B24 - GRINDING POLISHING
Information Patent Grant
Magnetic recording medium with a specific relative speed to a magne...
- Patent number 6,673,477
- Issue date Jan 6, 2004
- Fuji Photo Film Co., Ltd.
- Nobuo Yamazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film write head with universal coil design
- Patent number 6,674,610
- Issue date Jan 6, 2004
- Western Digital (Fremont), Inc.
- Mark Thomas
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with cutouts corresponding to the number of lead wires
- Patent number 6,624,969
- Issue date Sep 23, 2003
- Minebea Co., Ltd.
- Motoji Egawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Floppy disk drive unit with mounting plate between carriage and low...
- Patent number 6,473,267
- Issue date Oct 29, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Head amplifier circuit
- Patent number 6,411,455
- Issue date Jun 25, 2002
- Mitsumi Electric Co., Ltd.
- Yukihiro Terada
- G11 - INFORMATION STORAGE
Information Patent Grant
Complex magnetic head and manufacturing method of complex magnetic...
- Patent number 6,400,530
- Issue date Jun 4, 2002
- Mitsubishi Denki K.K.
- Hirofumi Ouchi
- G11 - INFORMATION STORAGE
Information Patent Grant
High/low density magnetic head slider with lateral incision
- Patent number 6,396,662
- Issue date May 28, 2002
- Mitsumi Electric Co., Ltd.
- Tomohiko Osaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head assembly for a flexible disk drive having grooves for...
- Patent number 6,396,659
- Issue date May 28, 2002
- NEC Corporation
- Makoto Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head device and recording medium drive
- Patent number 6,388,839
- Issue date May 14, 2002
- Sony Corporation
- Yutaka Souda
- G11 - INFORMATION STORAGE
Information Patent Grant
Media stabilization for laser servowriting
- Patent number 6,353,590
- Issue date Mar 5, 2002
- Imation Corp.
- James K. Knudsen
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc-like recording medium, disc drive, and method for reading disc...
- Patent number 6,337,779
- Issue date Jan 8, 2002
- Sony Corporation
- Kyoichi Shirane
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head device and recording medium drive
- Patent number 6,304,419
- Issue date Oct 16, 2001
- Sony Corporation
- Yutaka Souda
- G11 - INFORMATION STORAGE
Information Patent Grant
Low impedance head/preamplifier chip position in a disk drive
- Patent number 6,278,583
- Issue date Aug 21, 2001
- Questek Innovations, Inc.
- James M. Adley
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for reading from and writing to a rotated magnetic di...
- Patent number 6,222,703
- Issue date Apr 24, 2001
- Mitsumi Electric Co., Ltd.
- Tomohiko Osaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for recording data on magnetic record medium
- Patent number 6,204,983
- Issue date Mar 20, 2001
- Sony Corporation
- Hajime Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head
- Patent number 6,097,576
- Issue date Aug 1, 2000
- TEAC Corporation
- Kiyoshi Fukuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing method of complex magnetic head core
- Patent number 6,088,909
- Issue date Jul 18, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Hirofumi Ouchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit device for reading and writing
- Patent number 6,078,446
- Issue date Jun 20, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Yasuyuki Sohara
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for adjusting data window phase when retrievin...
- Patent number 6,078,451
- Issue date Jun 20, 2000
- International Business Machines Corporation
- Kazuya Ioki
- G11 - INFORMATION STORAGE
Information Patent Grant
Complex magnetic head having upper and lower rank core chips and me...
- Patent number 6,034,846
- Issue date Mar 7, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Hirofumi Ouchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo pattern forming method for floppy disk
- Patent number 6,031,674
- Issue date Feb 29, 2000
- Alps Electric, Co., Ltd.
- Masashi Tabata
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of writing servo data and magnetic recording medium on which...
- Patent number 6,021,028
- Issue date Feb 1, 2000
- Mitsumi Electric Co., Ltd.
- Tsuneo Uwabo
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic recording and reproduction method
- Publication number 20050013046
- Publication date Jan 20, 2005
- Fuji Photo Film Co., Ltd.
- Hitoshi Noguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing a magnetic head
- Publication number 20030196317
- Publication date Oct 23, 2003
- MINEBEA CO., LTD.
- Motoji Egawa
- B24 - GRINDING POLISHING
Information Patent Application
Digital VFO device
- Publication number 20030189779
- Publication date Oct 9, 2003
- Tomokazu Kondo
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording apparatus
- Publication number 20030142433
- Publication date Jul 31, 2003
- Daisuke Shikuma
- G11 - INFORMATION STORAGE
Information Patent Application
Flexible disk device, disk formatting method, and recording/reprodu...
- Publication number 20020159178
- Publication date Oct 31, 2002
- Masaki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium
- Publication number 20020119345
- Publication date Aug 29, 2002
- Nobuo Yamazaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic reproducing device
- Publication number 20020118478
- Publication date Aug 29, 2002
- Satoshi Goto
- G11 - INFORMATION STORAGE
Information Patent Application
Floppy disk drive preventing data errors from occurring on side of...
- Publication number 20020080511
- Publication date Jun 27, 2002
- Alps Electric Co., Ltd.
- Mikio Sekine
- G11 - INFORMATION STORAGE
Information Patent Application
DISC-LIKE RECORDING MEDIUM, DISC DRIVE, AND METHOD FOR READING DISC...
- Publication number 20010055171
- Publication date Dec 27, 2001
- KYOICHI SHIRANE
- G11 - INFORMATION STORAGE
Information Patent Application
Floppy disk drive unit
- Publication number 20010040768
- Publication date Nov 15, 2001
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Hiroshi Nishizawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Magnetic head device and recording medium drive
- Publication number 20010038513
- Publication date Nov 8, 2001
- Sony Corporation
- Yutaka Souda
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head
- Publication number 20010026418
- Publication date Oct 4, 2001
- MINEBEA CO., LTD.
- Motoji Egawa
- G11 - INFORMATION STORAGE

using magnetic foils

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Magnetic recording and reproduction method

Magnetic recording apparatus

Method and device for varying resonant frequency of magnetic memory...

Digital VFO device

Flexible disk device, disk formatting method, and recording/reprodu...

Monolithic optical pickup and an assembly including the pickup with...

Tracking error signal detection system for optical recording medium

Method of manufacturing a magnetic head

Magnetic recording medium with a specific relative speed to a magne...

Thin film write head with universal coil design

Magnetic head with cutouts corresponding to the number of lead wires

Floppy disk drive unit with mounting plate between carriage and low...

Head amplifier circuit

Complex magnetic head and manufacturing method of complex magnetic...

High/low density magnetic head slider with lateral incision

Magnetic head assembly for a flexible disk drive having grooves for...

Magnetic head device and recording medium drive

Media stabilization for laser servowriting

Disc-like recording medium, disc drive, and method for reading disc...

Magnetic head device and recording medium drive

Low impedance head/preamplifier chip position in a disk drive

Magnetic head for reading from and writing to a rotated magnetic di...

Apparatus for recording data on magnetic record medium

Magnetic head

Manufacturing method of complex magnetic head core

Semiconductor integrated circuit device for reading and writing

Method and apparatus for adjusting data window phase when retrievin...

Complex magnetic head having upper and lower rank core chips and me...

Servo pattern forming method for floppy disk

Method of writing servo data and magnetic recording medium on which...

Patents Applicationslast 30 patents

Magnetic recording and reproduction method

Method of manufacturing a magnetic head

Digital VFO device

Magnetic recording apparatus

Flexible disk device, disk formatting method, and recording/reprodu...

Magnetic recording medium

Magnetic reproducing device

Floppy disk drive preventing data errors from occurring on side of...

DISC-LIKE RECORDING MEDIUM, DISC DRIVE, AND METHOD FOR READING DISC...

Floppy disk drive unit

Magnetic head device and recording medium drive

Magnetic head