Inventor
USUKI KAZUYUKI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “USUKI KAZUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
23 patentsUS5914151AJun 22, 1999
Method for forming silica protective films
FUJI PHOTO FILM CO LTD54 citations96
US6893714B2May 17, 2005
Magnetic recording medium
FUJI PHOTO FILM CO LTD21 citations92
US6740407B1May 25, 2004
Magnetic recording medium and magnetic recording mode using floppy disk
FUJI PHOTO FILM CO LTD20 citations92
US6120836ASep 19, 2000
Process of producing a magnetic recording medium
FUJI PHOTO FILM CO LTD29 citations92
US6106895AAug 22, 2000
Magnetic recording medium and process for producing the same
FUJI PHOTO FILM CO LTD46 citations92
US5958544ASep 28, 1999
Magnetic recording medium and process for producing the same
FUJI PHOTO FILM CO LTD32 citations92
US6391419B1May 21, 2002
Magnetic recording medium
FUJI PHOTO FILM CO LTD14 citations83
US6869688B2Mar 22, 2005
Magnetic recording medium
FUJI PHOTO FILM CO LTD7 citations74
US6829201B2Dec 7, 2004
Magnetic information recording medium having regions magnetized in different directions, a method for recording and reproducing for the same, and a method of manufacturing the same
FUJI PHOTO FILM CO LTD10 citations74
US6587289B2Jul 1, 2003
Method of magnetically transferring information signal from master medium to slave medium
FUJI PHOTO FILM CO LTD6 citations74
US6525908B1Feb 25, 2003
Floppy disk
FUJI PHOTO FILM CO LTD8 citations74
US5869186AFeb 9, 1999
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations74
US5707742AJan 13, 1998
Magnetic recording medium comprising a ferromagnetic metal thin film, protective layer, and an alkylamine perfluoropolyether lubricant
FUJI PHOTO FILM CO LTD14 citations74
US5560995AOct 1, 1996
Magnetic recording medium having a ferromagnetic metal thin film upon which is coated a phosphorous and fluorine containing composition
FUJI PHOTO FILM CO LTD15 citations74
US5556707ASep 17, 1996
Magnetic recording medium having a lubricant comprising a phosphoric acid monoester and a fluorocarboxylic acid ester
FUJI PHOTO FILM CO LTD14 citations74
US5489480AFeb 6, 1996
Magnetic recording medium and process for producing the same
FUJI PHOTO FILM CO LTD13 citations74
US5405689AApr 11, 1995
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations74
US7112376B2Sep 26, 2006
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations73
US6977786B2Dec 20, 2005
Information recording method using a vertical magnetic system
FUJI PHOTO FILM CO LTD3 citations63
US6678101B2Jan 13, 2004
Method of magnetically transferring information signal from master medium to slave medium
FUJI PHOTO FILM CO LTD5 citations63
US5492764AFeb 20, 1996
Magnetic recording medium having a protective layer containing a tetrazaindene or thiouracil cyclic compound and a fluorine compound
FUJI PHOTO FILM CO LTD4 citations63
US6875505B2Apr 5, 2005
Magnetic recording medium
FUJI PHOTO FILM CO LTD5 citations62
US5395696AMar 7, 1995
Magnetic recording medium having a lubricant layer of a fluoroalkyl sulfo-compound
FUJI PHOTO FILM CO LTD4 citations62