Inventor

SAKAGUCHI RYUJI

JP12 patents

⚠️ This page may combine multiple inventors who share the name “SAKAGUCHI RYUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHOWA DENKO KK

9 patents

US6316062B1Nov 13, 2001

Magnetic recording medium and method of producing the same

SHOWA DENKO KK36 citations92

US6468602B2Oct 22, 2002

Method of manufacturing a magnetic recording medium

SHOWA DENKO KK17 citations91

US6821653B2Nov 23, 2004

Magnetic recording medium, process for producing the same, and magnetic recording and reproducing apparatus

SHOWA DENKO KK28 citations90

US5684099ANov 4, 1997

Propylene block copolymer, process for producing the same, and resin composition comprising the same

SHOWA DENKO KK17 citations73

US6582758B2Jun 24, 2003

Process of producing a magnetic recording medium

SHOWA DENKO KK5 citations72

US8012613B2Sep 6, 2011

Magnetic recording medium, process for producing same, and magnetic recording reproducing apparatus

SHOWA DENKO KK2 citations62

US9156128B2Oct 13, 2015

Burnishing method and burnishing apparatus

SHOWA DENKO KK2 citations61

US7220447B2May 22, 2007

Magnetic recording medium, process for producing the same, and magnetic recording and reproducing apparatus

SHOWA DENKO KK0 citations50

US6844046B2Jan 18, 2005

Magnetic recording medium, production process thereof, magnetic recording and reproducing apparatus, and sputtering target

SHOWA DENKO KK0 citations50

SAKAGUCHI RYUJI

3 patents

US8512100B2Aug 20, 2013

Abrasive tape, method for producing abrasive tape, and varnishing process

SAKAGUCHI RYUJI0 citations47

US8398870B2Mar 19, 2013

Method for manufacturing perpendicular magnetic recording medium

SAKAGUCHI RYUJI0 citations47

US8968484B2Mar 3, 2015

Lifting and drying device and method of manufacturing magnetic recording medium substrate or magnetic recording medium using the same

SAKAGUCHI RYUJI0 citations36