Hiroshi Tsuyuguchi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Data recording/reproducing system using optical disk apparatus
- Patent number 7,496,773
- Issue date Feb 24, 2009
- Teac Corporation
- Shinji Umehara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus
- Patent number 6,801,381
- Issue date Oct 5, 2004
- Victor Company of Japan, Ltd.
- Hiroshi Iwai
- G11 - INFORMATION STORAGE
Information Patent Grant
Pilot lamp current consumption reduction system for a flexible magn...
- Patent number 6,483,656
- Issue date Nov 19, 2002
- Teac Corporation
- Masakatsu Sakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor current consumption control system for a flexible magnetic di...
- Patent number 6,469,858
- Issue date Oct 22, 2002
- Teac Corporation
- Hiroshi Tsuyuguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive or like peripheral storage device adapted for firmware u...
- Patent number 6,289,397
- Issue date Sep 11, 2001
- TEAC Corporation
- Hiroshi Tsuyuguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic disc recording/reproducing apparatus with semiconductor me...
- Patent number D443867
- Issue date Jun 19, 2001
- TEAC Corporation
- Hiroshi Tsuyuguchi
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Data transmission device for reading data from a memory medium and...
- Patent number 6,173,363
- Issue date Jan 9, 2001
- TEAC Corporation
- Hiroshi Tsuyuguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc recording/reproducing apparatus with semiconductor me...
- Patent number D434023
- Issue date Nov 21, 2000
- TEAC Corporation
- Hiroshi Tsuyuguchi
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Method and apparatus for wobble-free data recovery from CD-rom or t...
- Patent number 5,862,113
- Issue date Jan 19, 1999
- TEAC Corporation
- Hiroshi Tsuyuguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Transducer recalibration system and method for a rotating disk data...
- Patent number 5,552,945
- Issue date Sep 3, 1996
- TEAC Corporation
- Tohru Miura
- G11 - INFORMATION STORAGE
Information Patent Grant
Pulse generating system responding to instruction pulses for genera...
- Patent number 5,550,447
- Issue date Aug 27, 1996
- Teac Corporation
- Naoki Sugeta
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disk apparatus having a power consumption reducing mechanism
- Patent number 5,442,608
- Issue date Aug 15, 1995
- Mitsubishi Electric Corp
- Yoshiaki Umeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for the high speed driving of a stepper motor...
- Patent number 5,434,724
- Issue date Jul 18, 1995
- TEAC Corporation
- Makoto Shoji
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for constant angular velocity reading of constant linear...
- Patent number 5,425,014
- Issue date Jun 13, 1995
- TEAC Corporation
- Hiroshi Tsuyuguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Power saving system for rotating disk data storage apparatus
- Patent number 5,408,369
- Issue date Apr 18, 1995
- TEAC Corporation
- Tohru Miura
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotating disk data storage apparatus capable of preventing head tra...
- Patent number 5,357,384
- Issue date Oct 18, 1994
- TEAC Corporation
- Hiroshi Tsuyuguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Power saving system for file protect and disk capacity sensors in r...
- Patent number 5,345,343
- Issue date Sep 6, 1994
- Teac Corp.
- Tohru Miura
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for discriminating between unformatted magneti...
- Patent number 5,329,510
- Issue date Jul 12, 1994
- TEAC Corporation
- Hiroshi Tsuyuguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Assembling position adjusting mechanism of a spindle motor for a ma...
- Patent number 5,309,628
- Issue date May 10, 1994
- Teac Corporation
- Kiyoshi Fukuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
System for eliminating noise arising from difference in polarity of...
- Patent number 5,309,296
- Issue date May 3, 1994
- TEAC Corporation
- Fumio Nagase
- G11 - INFORMATION STORAGE
Information Patent Grant
Head carriage apparatus moved by a lead-screw shaft including resil...
- Patent number 5,303,223
- Issue date Apr 12, 1994
- TEAC Corporation
- Takahiro Sakaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
System for holding a track counter active despite power suspension...
- Patent number 5,303,107
- Issue date Apr 12, 1994
- TEAC Corporation
- Tohru Miura
- G11 - INFORMATION STORAGE
Information Patent Grant
Floppy disk control unit and apparatus having a floppy disk control...
- Patent number 5,293,601
- Issue date Mar 8, 1994
- TEAC Corporation
- Hiroshi Tsuyuguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal selecting circuit which selectively outputs predetermined si...
- Patent number 5,293,625
- Issue date Mar 8, 1994
- Teac Corporation
- Tohru Miura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power saving system for rotating disk data storage apparatus
- Patent number 5,283,702
- Issue date Feb 1, 1994
- TEAC Corporation
- Hiroshi Tsuyuguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Constant current driving system for a stepper motor in rotating disk
- Patent number 5,260,634
- Issue date Nov 9, 1993
- TEAC Corporation
- Hiroshi Tsuyuguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical recording/reproducing apparatus
- Patent number 5,107,479
- Issue date Apr 21, 1992
- Teac Corporation
- Hiroshi Tsuyuguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical tracking servo apparatus
- Patent number 5,083,302
- Issue date Jan 21, 1992
- Teac Corporation
- Hiroshi Tsuyuguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc apparatus with a cosine equalizer and specific gap le...
- Patent number 5,032,934
- Issue date Jul 16, 1991
- Teac Corporation
- Shinichi Aikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head apparatus applicable to optical disc apparatus
- Patent number 5,010,246
- Issue date Apr 23, 1991
- Teac Corporation
- Hiroshi Tsuyuguchi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Electronic apparatus and storage medium reading out device housed i...
- Publication number 20070205281
- Publication date Sep 6, 2007
- TEAC Corporation
- Hiroshi Tsuyuguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data recording/reproducing system using optical disk apparatus
- Publication number 20060067188
- Publication date Mar 30, 2006
- TEAC CORPORATION.
- Shinji Umehara
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus
- Publication number 20010048569
- Publication date Dec 6, 2001
- Hiroshi Iwai
- G11 - INFORMATION STORAGE
Information Patent Application
Disk recording method and apparatus providing for realtime monitoring
- Publication number 20010006502
- Publication date Jul 5, 2001
- TEAC CORPORATION.
- Hiroshi Tsuyuguchi
- G11 - INFORMATION STORAGE

Hiroshi Tsuyuguchi

Person

Patents Grantslast 30 patents

Data recording/reproducing system using optical disk apparatus

Magnetic disk apparatus

Pilot lamp current consumption reduction system for a flexible magn...

Motor current consumption control system for a flexible magnetic di...

Disk drive or like peripheral storage device adapted for firmware u...

Magnetic disc recording/reproducing apparatus with semiconductor me...

Data transmission device for reading data from a memory medium and...

Magnetic disc recording/reproducing apparatus with semiconductor me...

Method and apparatus for wobble-free data recovery from CD-rom or t...

Transducer recalibration system and method for a rotating disk data...

Pulse generating system responding to instruction pulses for genera...

Disk apparatus having a power consumption reducing mechanism

Method and apparatus for the high speed driving of a stepper motor...

Apparatus for constant angular velocity reading of constant linear...

Power saving system for rotating disk data storage apparatus

Rotating disk data storage apparatus capable of preventing head tra...

Power saving system for file protect and disk capacity sensors in r...

Method and apparatus for discriminating between unformatted magneti...

Assembling position adjusting mechanism of a spindle motor for a ma...

System for eliminating noise arising from difference in polarity of...

Head carriage apparatus moved by a lead-screw shaft including resil...

System for holding a track counter active despite power suspension...

Floppy disk control unit and apparatus having a floppy disk control...

Signal selecting circuit which selectively outputs predetermined si...

Power saving system for rotating disk data storage apparatus

Constant current driving system for a stepper motor in rotating disk

Optical recording/reproducing apparatus

Optical tracking servo apparatus

Magnetic disc apparatus with a cosine equalizer and specific gap le...

Optical head apparatus applicable to optical disc apparatus

Patents Applicationslast 30 patents

Electronic apparatus and storage medium reading out device housed i...

Data recording/reproducing system using optical disk apparatus

Magnetic disk apparatus

Disk recording method and apparatus providing for realtime monitoring