Inventor · disambiguated record
Takaaki Ashinuma
Also filed as: ASHINUMA TAKAAKI
12 granted patents·2 pending applications·477 citations·filing 1985–2013
93Inventor score
Files withCANON KK13
Top patents by PatentIndex Score
14 records- 0196US5289451AOptical information recording/reproduction apparatus including means for detecting the type of recording mediumCANON KK·Filed 1992·Granted Feb 22, 1994·122 cites·23 claims
- 0293US4918677AInformation recording/reproducing apparatus including a plurality of recording or reproducing ratesCANON KK·Filed 1986·Granted Apr 17, 1990·62 cites·25 claims
- 0390US4763167AImage forming apparatusCANON KK·Filed 1987·Granted Aug 9, 1988·72 cites·7 claims
- 0489US5949747ATest 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 mediumCANON KK·Filed 1997·Granted Sep 7, 1999·61 cites·2 claims
- 0587US5410527AInformation recording/reproducing apparatus including setting optimum recording condition or reproducing conditionCANON KK·Filed 1992·Granted Apr 25, 1995·45 cites·51 claims
- 0677US5815477AWrite 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 mediumCANON KK·Filed 1996·Granted Sep 29, 1998·32 cites·6 claims
- 0775US5517471AMethod and apparatus for verifying recording data and for determining recording error using a detected light amountCANON KK·Filed 1992·Granted May 14, 1996·24 cites·16 claims
- 0874US6519212B2Method for setting optimal reproduction power level in domain wall displacement magneto-optical recording deviceCANON KK·Filed 2001·Granted Feb 11, 2003·10 cites·12 claims
- 0974US5592456AInformation reproducing apparatus and methodCANON KK·Filed 1994·Granted Jan 7, 1997·22 cites·18 claims
- 1057US6084830ASignal reproducing apparatus for reproducing information by moving magnetic wallsCANON KK·Filed 1997·Granted Jul 4, 2000·13 cites·16 claims
- 1153US4899291AImage processing systemCANON KK·Filed 1987·Granted Feb 6, 1990·12 cites·32 claims
- 1245US2015148600A1Medical instrumentCANON KK·Filed 2013·Application pending·0 cites
- 1338US2004107223A1File management methodFiled 2002·Application pending·0 cites
- 1432US4667246AImage processing systemCANON KK·Filed 1985·Granted May 19, 1987·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →