P

Inventor

ARAI YOSHIHIRO

JP60 patents
⚠️ This page may combine multiple inventors who share the name “ARAI YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJI PHOTO FILM CO LTD

23 patents
US4565734AJan 21, 1986

Magnetic recording medium

FUJI PHOTO FILM CO LTD52 citations96
US4543275ASep 24, 1985

Method of forming thin vapor deposited film of organic material

FUJI PHOTO FILM CO LTD105 citations96
US4419404ADec 6, 1983

Magnetic recording media and process of producing them

FUJI PHOTO FILM CO LTD57 citations96
US4557944ADec 10, 1985

Process of manufacturing a magnetic recording medium

FUJI PHOTO FILM CO LTD18 citations82
US4521482AJun 4, 1985

Magnetic recording medium

FUJI PHOTO FILM CO LTD20 citations82
US4495242AJan 22, 1985

Magnetic recording medium

FUJI PHOTO FILM CO LTD25 citations82
US4367257AJan 4, 1983

Thin magnetic recording medium

FUJI PHOTO FILM CO LTD24 citations82
US4988535AJan 29, 1991

Magnetic recording medium

FUJI PHOTO FILM CO LTD7 citations74
US4700198AOct 13, 1987

Process for recording information by irradiation of, an deposition on, a substrate

FUJI PHOTO FILM CO LTD7 citations74
US4673610AJun 16, 1987

Magnetic recording medium having iron nitride recording layer

FUJI PHOTO FILM CO LTD9 citations74
US4652460AMar 24, 1987

Process for preparing magnetic recording medium

FUJI PHOTO FILM CO LTD9 citations74
US4643915AFeb 17, 1987

Process for producing magnetic recording medium

FUJI PHOTO FILM CO LTD9 citations74
US4639815AJan 27, 1987

Magnetic recording medium with chromiumiron protective layer

FUJI PHOTO FILM CO LTD7 citations74
US4622271ANov 11, 1986

Magnetic recording medium

FUJI PHOTO FILM CO LTD10 citations74
US4609962ASep 2, 1986

Magnetic recording medium having improved weather resistance

FUJI PHOTO FILM CO LTD7 citations74
US4601912AJul 22, 1986

Method of preparing a magnetic recording medium

FUJI PHOTO FILM CO LTD10 citations74
US4551778ANov 5, 1985

Magnetic recording media and process of producing them

FUJI PHOTO FILM CO LTD11 citations74
US4351010ASep 21, 1982

Magnetic recording medium having a vertical axis of easy magnetization

FUJI PHOTO FILM CO LTD14 citations74
US4626315ADec 2, 1986

Process of forming ultrafine pattern

FUJI PHOTO FILM CO LTD12 citations73
US4724156AFeb 9, 1988

Method of manufacturing magnetic recording medium

FUJI PHOTO FILM CO LTD2 citations63
US4652483AMar 24, 1987

Magnetic recording medium

FUJI PHOTO FILM CO LTD2 citations63
US4476000AOct 9, 1984

Method of making a magnetic film target for sputtering

FUJI PHOTO FILM CO LTD6 citations63
US4358806ANov 9, 1982

Magnetic recording and reproducing method and magnetic recording medium therefor

FUJI PHOTO FILM CO LTD4 citations63

UNITIKA LTD

8 patents

MITUTOYO MFG CO LTD

3 patents

HITACHI DISPLAYS LTD

3 patents

RICOH KK

2 patents

JEOL LTD

2 patents

TOYODA MACHINE WORKS LTD

2 patents

JTEKT CORP

2 patents

TSUCHIYA AKI

2 patents

MORI RYOICHI

1 patent

RICOH PRINTING SYS LTD

1 patent

HONDA MOTOR CO LTD

1 patent

Showing the top 50 of 60 patents by PatentIndex Score.