Inventor
NAOHARA SHINICHI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “NAOHARA SHINICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
11 patentsUS5896353AApr 20, 1999
Servo control apparatus for controlling position of device
PIONEER ELECTRONIC CORP85 citations96
US6256273B1Jul 3, 2001
Focusing control apparatus for optimally directing light onto a recording surface
PIONEER ELECTRONIC CORP25 citations92
US6246646B1Jun 12, 2001
Focus control apparatus for multilayer optical recording medium
PIONEER ELECTRONIC CORP46 citations92
US6151280ANov 21, 2000
Focus jump control apparatus of a player for multilayer recording disc
PIONEER ELECTRONIC CORP29 citations92
US5619484AApr 8, 1997
Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc
PIONEER ELECTRONIC CORP21 citations92
US6262964B1Jul 17, 2001
Disc player with objective lens arranged in a zigzag pattern
PIONEER ELECTRONIC CORP5 citations73
US5848049ADec 8, 1998
Disc player with parallel objective lenses
PIONEER ELECTRONIC CORP4 citations73
US5677904AOct 14, 1997
Disc player
PIONEER ELECTRONIC CORP5 citations73
US5671201ASep 23, 1997
Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc
PIONEER ELECTRONIC CORP10 citations73
US5646921AJul 8, 1997
Method and apparatus for reproducing information recorded on CLV disc type record medium
PIONEER ELECTRONIC CORP10 citations73
US5953308ASep 14, 1999
Disc player with alternating ascending/descending guide devices
PIONEER ELECTRONIC CORP2 citations62
PIONEER CORP
11 patentsUS6594212B2Jul 15, 2003
Reproducing device with cross-fading operation
PIONEER CORP23 citations92
US6147942ANov 14, 2000
Focus control apparatus for multilayer optical recording medium
PIONEER CORP22 citations92
US7146555B2Dec 5, 2006
Error correction method, apparatus and program product
PIONEER CORP14 citations84
US6690632B1Feb 10, 2004
Tilt servo apparatus and control method thereof
PIONEER CORP16 citations84
US6587409B1Jul 1, 2003
Tilt servo apparatus for optical disc recording/playing apparatus
PIONEER CORP18 citations84
US6836385B2Dec 28, 2004
Recording/reproducing apparatus
PIONEER CORP11 citations74
US7106679B2Sep 12, 2006
Information reproducing apparatus and method, and error correction system
PIONEER CORP9 citations73
US7016268B2Mar 21, 2006
Optical reproducing system having resume function based on recording time of each program on the medium
PIONEER CORP8 citations73
US6985412B1Jan 10, 2006
Focus servo controller with collision avoidance and method therefor
PIONEER CORP7 citations73
US6680886B1Jan 20, 2004
Liquid crystal tilt servo apparatus
PIONEER CORP10 citations73
US7012877B2Mar 14, 2006
Information reproducing apparatus and method, and drive control system
PIONEER CORP1 citations52