Inventor

OHYA TAKAO

JP8 patents

Patents

8 patents

US5318838AJun 7, 1994

Magnetic recording medium comprising ferromagnetic particles, binder resins and phenyl phosphonic acid

FUJI PHOTO FILM CO LTD33 citations92

US5091270AFeb 25, 1992

Magnetic recording medium lubricated by a mixture of methyl branched iso ester compounds synthesized by the oko process

FUJI PHOTO FILM CO LTD12 citations73

US5061564AOct 29, 1991

Magnetic recording medium comprising a polar group containing resin or compound and a methyl iso ester lubricant prepared from a methyl iso acid or methyl iso alcohol or both

FUJI PHOTO FILM CO LTD8 citations73

US5049448ASep 17, 1991

Magnetic recording medium containing an ester lubricant branched from the number 2 carbon position of the acid residue

FUJI PHOTO FILM CO LTD7 citations73

US5030521AJul 9, 1991

Magnetic recording medium using a fatty acid ester lubricant wherein the alcohol component is branched at the number one carbon position

FUJI PHOTO FILM CO LTD7 citations73

US4885208ADec 5, 1989

Magnetic recording medium

FUJI PHOTO FILM CO LTD12 citations73

US5104751AApr 14, 1992

Magnetic recording medium lubricant comprising a phthalic acid diester and fatty acid ester

FUJI PHOTO FILM CO LTD2 citations62

US5041336AAug 20, 1991

Magnetic recording medium using a binder resin containing a polar group, and a lubricant system comprising two types of fatty acid esters and one fatty acid

FUJI PHOTO FILM CO LTD2 citations62