Inventor
KIMURA MOTOI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “KIMURA MOTOI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
17 patentsUS5805558ASep 8, 1998
Light signal detection circuit with dual light detecting means and arrangement thereof
SONY CORP22 citations92
US5764606AJun 9, 1998
Tracking control apparatus for a multi-layer optical disc and method therefor
SONY CORP28 citations92
US6026071AFeb 15, 2000
Optical disk player
SONY CORP10 citations74
US5550797AAug 27, 1996
Optical reproduction signal processing circuit for producing an RF signal and a servo signal with a high signal to noise ratio even though the RF signal component and the servo signal component partially overlap in frequency distribution
SONY CORP16 citations73
US9154753B2Oct 6, 2015
Control apparatus, control method, driving apparatus, and electronic apparatus
SONY CORP2 citations63
US6891875B2May 10, 2005
Optical disc device
SONY CORP6 citations63
US5910938AJun 8, 1999
Light signal detection circuit
SONY CORP2 citations63
US8369368B2Feb 5, 2013
Laser driving device, laser driving method, optical unit, and light device
SONY CORP2 citations62
US7414952B2Aug 19, 2008
Laser driving apparatus and associated methodology of controlling a drive current
SONY CORP2 citations61
US9973738B2May 15, 2018
Control apparatus, control method, driving apparatus, and electronic apparatus
SONY CORP1 citations52
US7342862B2Mar 11, 2008
Optical disc system and control method thereof
SONY CORP1 citations52
US9813682B2Nov 7, 2017
Laser driving circuit, laser driving method, and device using laser light
SONY CORP0 citations51
US9516258B2Dec 6, 2016
Laser driving circuit, laser driving method, and device using laser light
SONY CORP1 citations51
US9225928B2Dec 29, 2015
Laser driving circuit, laser driving method, projector apparatus and apparatus which uses laser light
SONY CORP0 citations51
US7852734B2Dec 14, 2010
Recording and playback apparatus and optical head
SONY CORP0 citations50
US7680166B2Mar 16, 2010
Laser drive, optical disc apparatus, and laser-driving method
SONY CORP0 citations50
US7230903B2Jun 12, 2007
Recording and playback apparatus and optical head including a variable optical coupling efficiency device
SONY CORP1 citations50
PIONEER CORP
4 patentsUS6147942ANov 14, 2000
Focus control apparatus for multilayer optical recording medium
PIONEER CORP22 citations92
US6295256B1Sep 25, 2001
Focusing bias adjusting apparatus and method in optical recording medium playing apparatus
PIONEER CORP27 citations91
US6690632B1Feb 10, 2004
Tilt servo apparatus and control method thereof
PIONEER CORP16 citations84
US6552984B1Apr 22, 2003
Liquid crystal tilt servo apparatus
PIONEER CORP5 citations62
SONY SEMICONDUCTOR SOLUTIONS CORP
3 patentsUS12009638B2Jun 11, 2024
Surface emission laser driving method and surface emission laser device
SONY SEMICONDUCTOR SOLUTIONS CORP0 citations62
US12327980B2Jun 10, 2025
Semiconductor laser driving apparatus, electronic equipment, and manufacturing method of semiconductor laser driving apparatus
SONY SEMICONDUCTOR SOLUTIONS CORP0 citations61
US12566266B2Mar 3, 2026
Lighting device and distance measurement apparatus
SONY SEMICONDUCTOR SOLUTIONS CORP0 citations46
KURIHARA TSUTOMU
3 patentsUS8199625B2Jun 12, 2012
Laser driving device and method with control signal patterns, reference pulses, and changing pulses
KURIHARA TSUTOMU4 citations60
US8107342B2Jan 31, 2012
Laser driving device, optical unit, and light device which can change the setting information for a sampling pulse
KURIHARA TSUTOMU2 citations60
US8228773B2Jul 24, 2012
Laser driving device and optical apparatus
KURIHARA TSUTOMU0 citations39