Inventor · disambiguated record
Kazuetsu Yoshida
Also filed as: KANEHORI KEIICHI · YOSHIDA KAZUETSU
38 granted patents·847 citations·filing 1975–2006
98Inventor score
Top patents by PatentIndex Score
38 records- 0196US6183893B1Perpendicular magnetic recording medium and magnetic storage apparatus using the sameHITACHI LTD·Filed 1999·Granted Feb 6, 2001·123 cites·22 claims
- 0294US6686070B1Perpendicular magnetic recording media, magnetic recording apparatusHITACHI LTD·Filed 2000·Granted Feb 3, 2004·95 cites·8 claims
- 0394US6447936B1Magnetic recording medium and magnetic recording apparatus using the sameHITACHI LTD·Filed 2000·Granted Sep 10, 2002·41 cites·4 claims
- 0494US4174373AProcess for removing sulfur oxides and nitrogen oxides from flue gasesHITACHI LTD·Filed 1975·Granted Nov 13, 1979·91 cites·26 claims
- 0591US6716516B2Magnetic recording medium and magnetic recording apparatus using the sameHITACHI LTD·Filed 2002·Granted Apr 6, 2004·30 cites·3 claims
- 0691US4743491APerpendicular magnetic recording medium and fabrication method thereforHITACHI LTD·Filed 1985·Granted May 10, 1988·46 cites·33 claims
- 0790US6212024B1Recording equalizer and magnetic recording/reproducing apparatus performing write timing compensationHITACHI LTD·Filed 1998·Granted Apr 3, 2001·44 cites·9 claims
- 0890US4722869AMagnetic recording mediumHITACHI LTD·Filed 1986·Granted Feb 2, 1988·58 cites·11 claims
- 0989US4840844AMagnetic recording mediumHITACHI LTD·Filed 1987·Granted Jun 20, 1989·38 cites·18 claims
- 1088US5759681AMagnetic recording medium and magnetic recording system using the sameHITACHI LTD·Filed 1996·Granted Jun 2, 1998·53 cites·25 claims
- 1177US6403203B2Magnetic recording medium and magnetic recording apparatus using the sameHITACHI LTD·Filed 1999·Granted Jun 11, 2002·22 cites·7 claims
- 1277US6356402B2Recording equalizer and magnetic recording/reproducing apparatus using the equalizerHITACHI LTD·Filed 2001·Granted Mar 12, 2002·8 cites·7 claims
- 1376US6528149B2Perpendicular-magnetic recording media and magnetic recording apparatusHITACHI LTD·Filed 2001·Granted Mar 4, 2003·14 cites·8 claims
- 1472US5723198AMulti-layered magnetic recording medium and magnetic recording system employing the sameHITACHI LTD·Filed 1994·Granted Mar 3, 1998·29 cites·94 claims
- 1571US6288981B1Magneto-optical recording device using magneto-resistive headHITACHI LTD·Filed 2000·Granted Sep 11, 2001·8 cites·3 claims
- 1670US6641901B2Perpendicular-magnetic recording media and magnetic recording apparatusHITACHI LTD·Filed 2003·Granted Nov 4, 2003·10 cites·3 claims
- 1769US7147941B2Perpendicular magnetic recording media, magnetic recording apparatusHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Dec 12, 2006·9 cites·5 claims
- 1867US6728051B2Recording equalizer and magnetic recording/reproducing apparatus using the equalizerHITACHI LTD·Filed 2003·Granted Apr 27, 2004·4 cites·2 claims
- 1965US6592976B2Magnetic recording medium and magnetic recording apparatus using the sameHITACHI LTD·Filed 2001·Granted Jul 15, 2003·6 cites·5 claims
- 2064US6671116B2Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetizationHITACHI LTD·Filed 2002·Granted Dec 30, 2003·4 cites·4 claims
- 2163US6534164B2Magnetic recording medium and magnetic recording apparatus using the sameHITACHI LTD·Filed 2001·Granted Mar 18, 2003·4 cites·2 claims
- 2261US5875082AMagnetic recording media, magnetic heads and magnetic read-write apparatus using the sameHITACHI LTD·Filed 1997·Granted Feb 23, 1999·12 cites·16 claims
- 2360US6607849B2Magnetic recording medium and magnetic recording apparatus using the sameHITACHI LTD·Filed 2002·Granted Aug 19, 2003·3 cites·2 claims
- 2460US5496620AMagnetic recording mediumHITACHI MAXELL·Filed 1994·Granted Mar 5, 1996·21 cites·4 claims
- 2558US6349008B1Magnetic recording media, magnetic heads and magnetic read-write apparatus using the sameHITACHI LTD·Filed 1998·Granted Feb 19, 2002·11 cites·8 claims
- 2657US5244751APerpendicular magnetic recording medium, its fabrication method and read-write machine using itHITACHI LTD·Filed 1989·Granted Sep 14, 1993·15 cites·2 claims
- 2756US4792497AMagnetic recording media for longitudinal recordingHITACHI LTD·Filed 1988·Granted Dec 20, 1988·10 cites·8 claims
- 2855US6852398B2Perpendicular-magnetic recording media and magnetic recording apparatusHITACHI LTD·Filed 2003·Granted Feb 8, 2005·4 cites·8 claims
- 2954US6549355B2Recording equalizer and magnetic recording/reproducing apparatus using the equalizerHITACHI LTD·Filed 2002·Granted Apr 15, 2003·1 cites·6 claims
- 3054US6487031B2Recording equalizer and magnetic recording/reproducing apparatus using the equalizerHITACHI LTD·Filed 2002·Granted Nov 26, 2002·1 cites·9 claims
- 3152US4707756APerpendicular magnetic recording mediumHITACHI LTD·Filed 1985·Granted Nov 17, 1987·12 cites·19 claims
- 3251US7399540B2Perpendicular magnetic recording media, magnetic recording apparatusHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jul 15, 2008·2 cites·5 claims
- 3351US6778471B1Magnetic recording deviceHITACHI LTD·Filed 2000·Granted Aug 17, 2004·1 cites·4 claims
- 3447US6456448B1Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetizationHITACHI LTD·Filed 1999·Granted Sep 24, 2002·6 cites·12 claims
- 3541US5068158AMagnetic recording medium and process for preparing the sameHITACHI LTD·Filed 1988·Granted Nov 26, 1991·4 cites·12 claims
- 3637US4939045AMagnetic recording mediumHITACHI LTD·Filed 1988·Granted Jul 3, 1990·5 cites·22 claims
- 3732US5073460AMagnetic recording medium and process for producing the sameHITACHI LTD·Filed 1990·Granted Dec 17, 1991·2 cites·37 claims
- 3830US6572988B1Magnetic recording medium and magnetic recording apparatusHITACHI LTD·Filed 1999·Granted Jun 3, 2003·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →