Inventor
KOIKE SHIGEAKI
JP12 patents
Patents
12 patentsUS5625616AApr 29, 1997
Deterioration estimating method for a light emitting device and a light emission driving apparatus using the method
SONY CORP71 citations95
US6888998B1May 3, 2005
Data recording and reproducing apparatus having a data transferring device for selectively transferring data between multiple data recording and reproducing devices
SONY CORP14 citations92
US5309419AMay 3, 1994
M-O disk recording apparatus with light amount control based on multiple test performed on a test region at multiple disk rotational velocities
SONY CORP36 citations91
US7283730B1Oct 16, 2007
Optical disc camcorder
SONY CORP7 citations73
US5410523AApr 25, 1995
Optical pickup driving apparatus
SONY CORP14 citations73
US7027710B2Apr 11, 2006
Data recording and reproducing apparatus
SONY CORP2 citations62
US4779256AOct 18, 1988
Apparatus for detecting deviations from a mutually perpendicular condition between a disc and a light beam
SONY CORP4 citations62
US6438076B1Aug 20, 2002
Information recording or information recording/reproducing device
SONY CORP4 citations61
US5771216AJun 23, 1998
Photomagnetic recording device and photomagnetic reproducing device
SONY CORP5 citations61
US7054542B2May 30, 2006
Data recording and reproducing apparatus having a data transfer device selectively transferring data between multiple data recording and reproducing devices
SONY CORP0 citations51
US7010216B2Mar 7, 2006
Data recording and reproducing apparatus having a data transfer device selectively transferring data between multiple data recording and reproducing devices
SONY CORP0 citations51
US5640379AJun 17, 1997
Photomagnetic recording device and photomagnetic reproducing device
SONY CORP1 citations51