Inventor
YAMAKAWA EISHIN
JP14 patents
⚠️ This page may combine multiple inventors who share the name “YAMAKAWA EISHIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
7 patentsUS6132875AOct 17, 2000
Magnetic recording medium and magnetic head having carbon protective layers
FUJITSU LTD30 citations92
US6670309B2Dec 30, 2003
Method and apparatus for preparing fluorine-based solvent
FUJITSU LTD13 citations82
US7081277B1Jul 25, 2006
Magnetic disk drive having a surface coating on a magnetic disk
FUJITSU LTD7 citations73
US7335701B2Feb 26, 2008
Magnetic disk drive having a surface coating on a magnetic disk
FUJITSU LTD3 citations62
US7534750B2May 19, 2009
Composition, magnetic recording medium, head slider, and magnetic recording device
FUJITSU LTD3 citations59
US6110524AAug 29, 2000
Method of forming lubricant layer on magnetic disc, device for forming lubricant layer thereon, and magnetic disc
FUJITSU LTD3 citations57
US7259937B2Aug 21, 2007
Magnetic recording device having a head slider utilizing a water-repellant resin lubricant having specified surface tension properties
FUJITSU LTD1 citations50
SHOWA DENKO KK
6 patentsUS9640213B2May 2, 2017
Perpendicular magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK2 citations67
US10074396B2Sep 11, 2018
Magnetic recording medium and magnetic recording and reproducing apparatus
SHOWA DENKO KK2 citations65
US10199064B2Feb 5, 2019
Magnetic recording medium, and magnetic recording and reproducing apparatus
SHOWA DENKO KK2 citations63
US11322176B2May 3, 2022
Method of manufacturing magnetic recording medium
SHOWA DENKO KK0 citations47
US10888895B2Jan 12, 2021
Method for producing a thin film, method for producing a magnetic disk, method for producing a nanoimprint mold, and apparatus for producing a thin film
SHOWA DENKO KK0 citations47
US7842331B2Nov 30, 2010
Manufacturing method and evaluating method of magnetic recording medium
SHOWA DENKO KK0 citations39