Inventor · disambiguated record
Kazusuke Yamanaka
Also filed as: YAMANAKA KAZUSUKE
12 granted patents·328 citations·filing 1981–2005
91Inventor score
Top patents by PatentIndex Score
12 records- 0197US4773740AElectrochromic display deviceHITACHI MAXELL·Filed 1987·Granted Sep 27, 1988·230 cites·7 claims
- 0280US6706426B1Longitudinal magnetic recording mediaHITACHI LTD·Filed 2000·Granted Mar 16, 2004·14 cites·9 claims
- 0375US6177208B1Magnetic recording system and magnetic recording medium used thereforHITACHI LTD·Filed 1999·Granted Jan 23, 2001·24 cites·16 claims
- 0468US6083599APerpendicular magnetic recording media and magnetic recording and reproducing apparatus using the sameHITACHI LTD·Filed 1997·Granted Jul 4, 2000·19 cites·15 claims
- 0566US5919581AMagnetic recording system and magnetic recording medium used thereforHITACHI LTD·Filed 1996·Granted Jul 6, 1999·16 cites·16 claims
- 0657US6613428B2Magnetic recording medium and magnetic recording and reproducing apparatus wherein the magnetic layer has a fluctuation of field; A or Hf of not less than 30 OerstedsHITACHI LTD·Filed 2001·Granted Sep 2, 2003·4 cites·2 claims
- 0754US5686177AMagnetic recording mediumHITACHI LTD·Filed 1994·Granted Nov 11, 1997·9 cites·8 claims
- 0850US6846577B2Magnetic recording medium possessing a fluctuation field of not less than 30 OeHITACHI LTD·Filed 2003·Granted Jan 25, 2005·2 cites·11 claims
- 0947US7157162B2Magnetic recording medium and magnetic recording and reproducing apparatusHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 2, 2007·0 cites·5 claims
- 1042US6310748B1Magnetic thin film magnetic recording mediumHITACHI LTD·Filed 1995·Granted Oct 30, 2001·5 cites·17 claims
- 1132US4411497AElectrochromic display elementHITACHI LTD·Filed 1981·Granted Oct 25, 1983·5 cites·24 claims
- 1230US6572988B1Magnetic 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 →