P

Inventor

NISHIKAWA YASUO

JP89 patents
⚠️ This page may combine multiple inventors who share the name “NISHIKAWA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJI PHOTO FILM CO LTD

30 patents
US5466519ANov 14, 1995

Support for a photographic printing paper and a manufacturing process therefor

FUJI PHOTO FILM CO LTD99 citations94
US5091249AFeb 25, 1992

Magnetic recording medium lubricant comprising two different fluorinated polyethers each having specified terminal groups

FUJI PHOTO FILM CO LTD25 citations92
US4746559AMay 24, 1988

Magnetic recording medium

FUJI PHOTO FILM CO LTD26 citations92
US4693927ASep 15, 1987

Magnetic recording medium and process for producing the same

FUJI PHOTO FILM CO LTD37 citations92
US4693929ASep 15, 1987

Magnetic recording medium

FUJI PHOTO FILM CO LTD24 citations82
US5374480ADec 20, 1994

Magnetic recording medium

FUJI PHOTO FILM CO LTD16 citations74
US5334413AAug 2, 1994

Method for preparing a magnetic recording medium

FUJI PHOTO FILM CO LTD7 citations74
US5268227ADec 7, 1993

Magnetic recording medium comprising a ferromagnetic metallic then film having a top coat of (a) a hydrocarbonsulfuric or hydrocarbonsulfonic acid or salt and (b) a fluorinated polyether

FUJI PHOTO FILM CO LTD9 citations74
US5258231ANov 2, 1993

Magnetic recording medium having ferromagnetic powder, a binder containing a specified vinyl chloride copolymer, polar group containing polyurethane resin and a fatty acid amide

FUJI PHOTO FILM CO LTD8 citations74
US5164259ANov 17, 1992

Magnetic recording medium having a specified fatty acid hydroxylaluminum salt as a lubricant contained in or on the magnetic layer

FUJI PHOTO FILM CO LTD8 citations74
US5126215AJun 30, 1992

Magnetic recording medium having a surface with pores of specified average inlet diameter and wide pore size distribution controlled by calender treatment

FUJI PHOTO FILM CO LTD11 citations74
US5091268AFeb 25, 1992

Magnetic recording medium lubricated by a three component fatty acid ester-fatty acid amide composition

FUJI PHOTO FILM CO LTD12 citations74
US5089330AFeb 18, 1992

Abrasive tape in which a single compound serves to improve dispersion of abrasive particles and also as antistatic and lubricant for the tape

FUJI PHOTO FILM CO LTD10 citations74
US5082714AJan 21, 1992

Magnetic recording media

FUJI PHOTO FILM CO LTD10 citations74
US5063119ANov 5, 1991

Magnetic recording medium comprising a fluorine containing oligomer surfactant in or on the magnetic layer

FUJI PHOTO FILM CO LTD12 citations74
US4937098AJun 26, 1990

Method for manufacturing a magnetic recording medium

FUJI PHOTO FILM CO LTD14 citations74
US4847156AJul 11, 1989

Magnetic recording medium

FUJI PHOTO FILM CO LTD11 citations74
US4840843AJun 20, 1989

Magnetic recording medium

FUJI PHOTO FILM CO LTD11 citations74
US4654258AMar 31, 1987

Magnetic recording medium

FUJI PHOTO FILM CO LTD10 citations74
US4520070AMay 28, 1985

Magnetic recording medium and process for producing same

FUJI PHOTO FILM CO LTD8 citations74
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
US4713287ADec 15, 1987

Magnetic recording medium

FUJI PHOTO FILM CO LTD12 citations73
US4711809ADec 8, 1987

Magnetic recording medium

FUJI PHOTO FILM CO LTD10 citations73
US4443514AApr 17, 1984

Magnetic recording medium

FUJI PHOTO FILM CO LTD15 citations71
US5527617AJun 18, 1996

Metal thin film magnetic recording medium having a silicone compound protective layer

FUJI PHOTO FILM CO LTD6 citations63
US5366854ANov 22, 1994

Photographic printing paper support

FUJI PHOTO FILM CO LTD6 citations63
US5145738ASep 8, 1992

Magnetic recording medium

FUJI PHOTO FILM CO LTD2 citations63

BROTHER IND LTD

7 patents

KYUSHU REFRACTORIES

6 patents

SUMITOMO WIRING SYSTEMS

2 patents

NISHIKAWA YASUO

2 patents

JAPAN SYNTHETIC RUBBER CO LTD

1 patent

UNITIKA LTD

1 patent

TOKAI ELECTRIC WIRE

1 patent

Showing the top 50 of 89 patents by PatentIndex Score.