Inventor · disambiguated record
Eishin Yamakawa
Also filed as: YAMAKAWA EISHIN
14 granted patents·4 pending applications·66 citations·filing 1996–2020
89Inventor score
Top patents by PatentIndex Score
18 records- 0181US7335701B2Magnetic disk drive having a surface coating on a magnetic diskFUJITSU LTD·Filed 2006·Granted Feb 26, 2008·3 cites·5 claims
- 0276US6132875AMagnetic recording medium and magnetic head having carbon protective layersFUJITSU LTD·Filed 1996·Granted Oct 17, 2000·30 cites·4 claims
- 0375US7534750B2Composition, magnetic recording medium, head slider, and magnetic recording deviceFUJITSU LTD·Filed 2005·Granted May 19, 2009·3 cites·9 claims
- 0473US6670309B2Method and apparatus for preparing fluorine-based solventFUJITSU LTD·Filed 2001·Granted Dec 30, 2003·13 cites·9 claims
- 0572US7081277B1Magnetic disk drive having a surface coating on a magnetic diskFUJITSU LTD·Filed 2000·Granted Jul 25, 2006·7 cites·19 claims
- 0660US9640213B2Perpendicular magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2015·Granted May 2, 2017·2 cites·4 claims
- 0760US2008081220A1Magnetic disk drive having a surface coating on a magnetic diskFUJITSU LTD·Filed 2007·Application pending·0 cites
- 0859US10074396B2Magnetic recording medium and magnetic recording and reproducing apparatusSHOWA DENKO KK·Filed 2016·Granted Sep 11, 2018·2 cites·5 claims
- 0957US10199064B2Magnetic recording medium, and magnetic recording and reproducing apparatusSHOWA DENKO KK·Filed 2016·Granted Feb 5, 2019·2 cites·12 claims
- 1055US7259937B2Magnetic recording device having a head slider utilizing a water-repellant resin lubricant having specified surface tension propertiesFUJITSU LTD·Filed 2005·Granted Aug 21, 2007·1 cites·14 claims
- 1151US2009059416A1Storage device, storage medium, and method for manufacturing storage mediumFUJITSU LTD·Filed 2008·Application pending·0 cites
- 1250US7842331B2Manufacturing method and evaluating method of magnetic recording mediumSHOWA DENKO KK·Filed 2007·Granted Nov 30, 2010·0 cites·9 claims
- 1350US2009252992A1Magnetic recording medium and method of fabricating the sameFUJITSU LTD·Filed 2009·Application pending·0 cites
- 1447US2007203037A1Lubricant, magnetic recording medium and head sliderFUJITSU LTD·Filed 2006·Application pending·0 cites
- 1541US8296931B2Method for manufacturing storage mediumOKUMURA HIROYOSHI·Filed 2008·Granted Oct 30, 2012·0 cites·6 claims
- 1638US10888895B2Method for producing a thin film, method for producing a magnetic disk, method for producing a nanoimprint mold, and apparatus for producing a thin filmSHOWA DENKO KK·Filed 2018·Granted Jan 12, 2021·0 cites·8 claims
- 1735US11322176B2Method of manufacturing magnetic recording mediumSHOWA DENKO KK·Filed 2020·Granted May 3, 2022·0 cites·9 claims
- 1832US6110524AMethod of forming lubricant layer on magnetic disc, device for forming lubricant layer thereon, and magnetic discFUJITSU LTD·Filed 1998·Granted Aug 29, 2000·3 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Eishin Yamakawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →