Inventor
KUBO MITSUMASA
JP25 patents
⚠️ This page may combine multiple inventors who share the name “KUBO MITSUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEAC CORP
22 patentsUS5278815AJan 11, 1994
Digital data reproducing apparatus
TEAC CORP61 citations94
US6313601B1Nov 6, 2001
Speed control of a motor
TEAC CORP27 citations92
US5862113AJan 19, 1999
Method and apparatus for wobble-free data recovery from CD-rom or the like
TEAC CORP38 citations92
US5844872ADec 1, 1998
Method and apparatus for high speed data recovery from CD-ROMS or like disks of varying qualities
TEAC CORP23 citations92
US5602812AFeb 11, 1997
Reproducing rate control apparatus for optical disk
TEAC CORP49 citations92
US5521895AMay 28, 1996
Optical disk reproducing apparatus for controlling the rotational speed of a spindle motor between a CLV control and a CAV control
TEAC CORP40 citations92
US4751496AJun 14, 1988
Wide dynamic range analog to digital conversion method and system
TEAC CORP47 citations92
US6301212B1Oct 9, 2001
Focusing and tracking servo circuit in an optical disk device
TEAC CORP16 citations83
US4845498AJul 4, 1989
Wide dynamic range digital to analog conversion method and systems
TEAC CORP23 citations81
US5963520AOct 5, 1999
Method and apparatus for high speed data recovery from CD-ROMS or like disks or varying qualities
TEAC CORP13 citations74
US5535183AJul 9, 1996
Optical disk reproducing device and its seek operation method
TEAC CORP16 citations74
US6687207B2Feb 3, 2004
Optical recording apparatus for recording information on a write-once disk or an erasable optical disk
TEAC CORP12 citations73
US5623468AApr 22, 1997
Disk apparatus for detecting address marks from a recording disk having data recorded in a zoned constant angular velocity type system
TEAC CORP11 citations73
US4916449AApr 10, 1990
Wide dynamic range digital to analog conversion method and system
TEAC CORP13 citations73
US6236630B1May 22, 2001
Method and apparatus for checking the quality of CD-ROMS or the like for reading them at matching speeds
TEAC CORP8 citations72
US5982725ANov 9, 1999
Method and apparatus for checking the quality of CD-ROMs or the like for reading them at matching speeds
TEAC CORP13 citations72
US6044052AMar 28, 2000
Method and apparatus for high speed data recovery from CD-ROMs or like disks of varying qualities
TEAC CORP2 citations63
US7050363B2May 23, 2006
Optical disk device
TEAC CORP6 citations62
US6721248B2Apr 13, 2004
Optical disk unit
TEAC CORP4 citations57
US8009537B2Aug 30, 2011
Disk inspection apparatus
TEAC CORP2 citations54
US8036075B2Oct 11, 2011
Disk drive and information processing system having the same
TEAC CORP0 citations52
US7050374B2May 23, 2006
Optical disk apparatus
TEAC CORP1 citations52