Inventor
UCHIYAMA MINEHARU
JP7 patents
Patents
7 patentsUS6163409ADec 19, 2000
Optical head, optical component for use therein, method of manufacturing the same, and optical disk apparatus
TOSHIBA KK24 citations89
US6975576B1Dec 13, 2005
Optical head device and disk drive system having first and second light sources for emitting light beams of different wavelengths
TOSHIBA KK14 citations81
US10816663B2Oct 27, 2020
Distance measuring device and distance measuring method
TOSHIBA KK2 citations72
US5715231AFeb 3, 1998
Objective lens driving apparatus and optical head driving apparatus
TOSHIBA KK16 citations72
US5615057AMar 25, 1997
Image record/playback apparatus including a photographing device and a connectable playback device
TOSHIBA KK3 citations57
US8773669B2Jul 8, 2014
Optical device
TOSHIBA KK0 citations50
US7072268B2Jul 4, 2006
Optical pickup apparatus, optical disk apparatus, and tracking error signal detection method
TOSHIBA KK1 citations49