Inventor
TAKEYA NORIYOSHI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “TAKEYA NORIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
22 patentsUS5390938AFeb 21, 1995
Video game apparatus
PIONEER ELECTRONIC CORP98 citations96
US5146443ASep 8, 1992
Servo apparatus for optical disk player having both open loop coarse gain control and closed loop fine gain control
PIONEER ELECTRONIC CORP125 citations94
US6307820B2Oct 23, 2001
Multiple layer disk reproducing apparatus, and apparatus for reproducing information record medium
PIONEER ELECTRONIC CORP20 citations92
US6240054B1May 29, 2001
Multiple layer disk reproducing apparatus, and apparatus for reproducing information record medium
PIONEER ELECTRONIC CORP36 citations92
US5757745AMay 26, 1998
Focus servo controlling method and apparatus
PIONEER ELECTRONIC CORP22 citations92
US5579028ANov 26, 1996
Apparatus for mixing play video signal with graphics video signal
PIONEER ELECTRONIC CORP50 citations92
US4899326AFeb 6, 1990
Magazine-housed disk player
PIONEER ELECTRONIC CORP45 citations91
US4885644ADec 5, 1989
Spindle servo device for data recording disk reproducing apparatus
PIONEER ELECTRONIC CORP35 citations91
US4872068AOct 3, 1989
Disk playing method resulting in reduced start-up time
PIONEER ELECTRONIC CORP48 citations91
US5790493AAug 4, 1998
Optical record medium judging method and apparatus and focus servo controlling method and apparatus
PIONEER ELECTRONIC CORP35 citations90
US5101391AMar 31, 1992
Method for setting the loop gain in a tracking servo loop
PIONEER ELECTRONIC CORP21 citations81
US5084849AJan 28, 1992
Method for setting the loop gain of servo loops in a disc player
PIONEER ELECTRONIC CORP21 citations81
US5410524AApr 25, 1995
Recording medium apparatus for inhibiting playback of predetermined recorded portions
PIONEER ELECTRONIC CORP7 citations74
US5245599ASep 14, 1993
Disc player using a servo loop with a variable transfer function
PIONEER ELECTRONIC CORP15 citations73
US5105402AApr 14, 1992
Disc player with manual search function
PIONEER ELECTRONIC CORP10 citations73
US5065386ANov 12, 1991
Servo system responsive to noise and having variable characteristic filter means
PIONEER ELECTRONIC CORP13 citations73
US5050149ASep 17, 1991
Servo device for disc player
PIONEER ELECTRONIC CORP9 citations73
US5636312AJun 3, 1997
Video image mixing apparatus
PIONEER ELECTRONIC CORP9 citations72
US5434676AJul 18, 1995
Apparatus for mixing video signals having different numbers of lines
PIONEER ELECTRONIC CORP15 citations72
US5608533AMar 4, 1997
Video signal recording/reproducing apparatus where the order of access to video data during a write mode is different than the order of access during a read mode
PIONEER ELECTRONIC CORP6 citations63
US5150344ASep 22, 1992
Tracking servo system
PIONEER ELECTRONIC CORP5 citations61
US5978337ANov 2, 1999
Optical record medium judging method and apparatus and focus servo controlling method and apparatus
PIONEER ELECTRONIC CORP3 citations60