Inventor
ASHINUMA TAKAAKI
JP12 patents
Patents
12 patentsUS5289451AFeb 22, 1994
Optical information recording/reproduction apparatus including means for detecting the type of recording medium
CANON KK122 citations97
US5949747ASep 7, 1999
Test recording method and optical information recording/reproducing apparatus for determining an optimum power of the light output from a light source in erasing pieces of information recorded on a land and groove of a recording medium
CANON KK61 citations96
US4763167AAug 9, 1988
Image forming apparatus
CANON KK72 citations96
US4918677AApr 17, 1990
Information recording/reproducing apparatus including a plurality of recording or reproducing rates
CANON KK62 citations95
US5815477ASep 29, 1998
Write test method for use in recording process for recording information by modulating the power of a laser light thereby forming a high-temperature state and a low-temperature state on a recording medium
CANON KK32 citations92
US5592456AJan 7, 1997
Information reproducing apparatus and method
CANON KK22 citations92
US5517471AMay 14, 1996
Method and apparatus for verifying recording data and for determining recording error using a detected light amount
CANON KK24 citations92
US5410527AApr 25, 1995
Information recording/reproducing apparatus including setting optimum recording condition or reproducing condition
CANON KK45 citations92
US6519212B2Feb 11, 2003
Method for setting optimal reproduction power level in domain wall displacement magneto-optical recording device
CANON KK10 citations73
US6084830AJul 4, 2000
Signal reproducing apparatus for reproducing information by moving magnetic walls
CANON KK13 citations73
US4899291AFeb 6, 1990
Image processing system
CANON KK12 citations73
US4667246AMay 19, 1987
Image processing system
CANON KK2 citations62