Inventor
CHAYA MASAHIKO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “CHAYA MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
15 patentsUS5979755ANov 9, 1999
Auto-changer
CANON KK22 citations92
US5361242ANov 1, 1994
External magnetic field application device including a heat dissipation member and a metal plate for dissipating heat
CANON KK31 citations92
US5268784ADec 7, 1993
Pivotable mirror device for tracking
CANON KK23 citations92
US5305151AApr 19, 1994
Objective lens driver
CANON KK20 citations90
US5604719AFeb 18, 1997
Magnetooptical information recording/reproducing method and apparatus employing a floating slider supporting a magnetic head
CANON KK18 citations83
US6737190B2May 18, 2004
Electronic apparatus
CANON KK9 citations73
US5872766AFeb 16, 1999
Device for adjusting the preload of a plate spring for an optical pickup apparatus
CANON KK11 citations73
US5818666AOct 6, 1998
Linear drive motor apparatus for adjusting the relative position between and second yokes of a pair of magnetic circuits
CANON KK8 citations73
US5731929AMar 24, 1998
Disk recording/reproduction apparatus with disk clamp mechanism comprising a caddie holding a first disk and a spindle centering a second disk
CANON KK13 citations73
US5625607AApr 29, 1997
Magneto-optical disk apparatus including two magnetic field applying devices, one of which has a substantial ring-shaped core member with a gap in a portion thereof
CANON KK8 citations73
US5594708AJan 14, 1997
Magnetooptical disc apparatus with magnetic head
CANON KK7 citations73
US5590095ADec 31, 1996
Magneto-optical disk apparatus with floating type magnetic head and a device for limiting an amount of deflection of a resilient member supporting the magnetic head
CANON KK15 citations73
US5485434AJan 16, 1996
Magneto-optical disk apparatus for recording and/or reproducing information using modulated and constant magnetic field applying devices
CANON KK5 citations62
US5161146ANov 3, 1992
Disc cleaning device
CANON KK6 citations60
US5208793AMay 4, 1993
Optical disk apparatus including a braking device for frictionally suppressing movement of an optical head carriage
CANON KK1 citations52
SONY CORP
4 patentsUS5157650AOct 20, 1992
Optical recording apparatus
SONY CORP25 citations92
US5128919AJul 7, 1992
Apparatus for reproducing an optically recorded information
SONY CORP40 citations92
US5046061ASep 3, 1991
Optical light beam scanner with zero order beam reflector
SONY CORP13 citations74
US5138603AAug 11, 1992
System and method for processing optical information with tracking error compensated
SONY CORP2 citations63