Inventor · disambiguated record
Kouichirou Wakabayashi
Also filed as: WAKABAYASHI KOUICHIROU
19 granted patents·3 pending applications·391 citations·filing 1994–2004
96Inventor score
Top patents by PatentIndex Score
22 records- 0195US6730421B1Magnetic recording medium and its production method, and magnetic recorderHITACHI MAXELL·Filed 2000·Granted May 4, 2004·49 cites·34 claims
- 0292US7079457B2Method of reproducing information with equalization coefficient for the reproduced informationHITACHI LTD·Filed 2003·Granted Jul 18, 2006·24 cites·21 claims
- 0392US6893746B1Magnetic recording medium with high thermal stability, method for producing the same, and magnetic recording apparatusHITACHI MAXELL·Filed 2000·Granted May 17, 2005·43 cites·37 claims
- 0488US6480447B1Method of reproducing information using a selected equalization coefficient for each signalHITACHI LTD·Filed 2000·Granted Nov 12, 2002·17 cites·2 claims
- 0585US6815098B2Magnetic recording medium, method for producing the same, and magnetic storage apparatusHITACHI MAXELL·Filed 2003·Granted Nov 9, 2004·18 cites·23 claims
- 0684US6602621B2Magnetic recording medium, method for producing the same, and magnetic storage apparatusHITACHI MAXELL·Filed 2001·Granted Aug 5, 2003·52 cites·14 claims
- 0782US6674594B1Read/write head and magnetic recording deviceHITACHI MAXELL·Filed 2000·Granted Jan 6, 2004·16 cites·16 claims
- 0879US6970400B1Information recording medium with magnetic marks, recording and reproducing apparatus therefor, and head positioning method using detected magnetic leakage fields from the magnetic marksHITACHI MAXELL·Filed 2000·Granted Nov 29, 2005·14 cites·15 claims
- 0979US5808988AReproduction of optical information by one-beam optics with reduced crosstalk as recorded in multi-phases and multi-levels at staggered lattice points, and apparatus and recording medium thereforHITACHI LTD·Filed 1996·Granted Sep 15, 1998·35 cites·36 claims
- 1078US5774444ASplit photo detector for detecting a central portion and a peripheral portion of a reflected light beamHITACHI LTD·Filed 1995·Granted Jun 30, 1998·31 cites·18 claims
- 1176US6944105B2Method of reproducing information with equalization for the reproduced information to reduce inter-symbol interferenceHITACHI LTD·Filed 2002·Granted Sep 13, 2005·7 cites·1 claims
- 1276US5835469AHigh-density information recording/reproducing methodHITACHI LTD·Filed 1995·Granted Nov 10, 1998·24 cites·10 claims
- 1368US5886969AHigh-density information recording/reproducing methodHITACHI LTD·Filed 1997·Granted Mar 23, 1999·17 cites·7 claims
- 1462US6130797AMagnetic recorder and magnetooptical recorderHITACHI LTD·Filed 1995·Granted Oct 10, 2000·16 cites·17 claims
- 1559US6567348B1Method for recording mark length shorter than channel bit length on magneto-optical mediumHITACHI LTD·Filed 1999·Granted May 20, 2003·13 cites·26 claims
- 1649US5491683AOptical information recording/reproducing methodHITACHI LTD·Filed 1994·Granted Feb 13, 1996·7 cites·15 claims
- 1748US5786952AMagnetic digital storage method and system wherein magnetic transition points in adjacent recorded tracks are out of phase with each otherHITACHI LTD·Filed 1995·Granted Jul 28, 1998·8 cites·10 claims
- 1847US7046595B2Method of reproducing information with equalization coefficient for the reproduced informationHITACHI LTD·Filed 2003·Granted May 16, 2006·0 cites·24 claims
- 1946US2004166376A1Magnetic recording medium, method for producing the same, and magnetic recording apparatusHITACHI MAXELL·Filed 2004·Application pending·0 cites
- 2045US6552977B2Information reproducing apparatus enabling equalization processing with equalization coefficient for reproduced informationHITACHI LTD·Filed 2002·Granted Apr 22, 2003·0 cites·3 claims
- 2138US2001007722A1Magneto-optical recording mediumHITACHI MAXELL·Filed 2001·Application pending·0 cites
- 2236US2003157373A1Magnetic recording medium, method of manufacture thereof, and magnetic recorderFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →