Inventor · disambiguated record
Takehiko Sekine
Also filed as: SEKINE TAKEHIKO
13 granted patents·2 pending applications·165 citations·filing 1990–2007
91Inventor score
Technology areasG11B
Top patents by PatentIndex Score
15 records- 0192US6442118B1Information recording and reproducing apparatus having semiconductor laser drive circuitry in its pickupHITACHI LTD·Filed 2000·Granted Aug 27, 2002·38 cites·15 claims
- 0290US5229986AData recording/reproducing deviceHITACHI LTD·Filed 1990·Granted Jul 20, 1993·44 cites·2 claims
- 0384US5523991AData recording/reproducing deviceHITACHI LTD·Filed 1995·Granted Jun 4, 1996·34 cites·4 claims
- 0477US6954410B2Information recording and reproducing apparatus for updating the waveform of a laser based on position informationHITACHI LTD·Filed 2002·Granted Oct 11, 2005·10 cites·9 claims
- 0573US7376057B2Disk recording apparatus and disk recording methodHITACHI LTD·Filed 2007·Granted May 20, 2008·2 cites·2 claims
- 0665US6295258B1Method for recording and reproducing information by pre-pits detectionHITACHI LTD·Filed 2000·Granted Sep 25, 2001·5 cites·8 claims
- 0763US5383171AInformation recording/reproducing device and method for recording/reproducing information on a recording medium using accurate synchronization in a data area in which coded data is storedHITACHI LTD·Filed 1992·Granted Jan 17, 1995·10 cites·22 claims
- 0857US6188654B1Method and apparatus for recording/reproducing by pre-pits detectionHTACHI LTD·Filed 1998·Granted Feb 13, 2001·12 cites·9 claims
- 0953US2005180280A1Information recording and reproducing apparatusHITACHI LTD·Filed 2005·Application pending·0 cites
- 1051US5519683AInformation recording/reproducing device and method in which a resynchronization signal is inserted into the data at predetermined intervalsHITACHI LTD·Filed 1994·Granted May 21, 1996·6 cites·5 claims
- 1141US7349302B2Optical disk recording apparatus and optical disk recording methodHITACHI LTD·Filed 2003·Granted Mar 25, 2008·0 cites·13 claims
- 1239US7215612B2Disk recording apparatus and disk recording methodHITACHI LG STORAGE INC·Filed 2003·Granted May 8, 2007·0 cites·4 claims
- 1339US5258965APhoto-magnetic disk driving apparatusKONISHIROKU PHOTO IND·Filed 1991·Granted Nov 2, 1993·4 cites·6 claims
- 1435US7023654B2Disk cartridge ejection mechanism and methodKONICA CORP·Filed 2003·Granted Apr 4, 2006·0 cites·10 claims
- 1528US2001008501A1Magnetic field generator for magneto-optics memory apparatus with reduced magnetic field reversal timeFiled 1998·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →