Inventor
YAMAGUCHI NOBUTAKA
JP50 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI NOBUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
40 patentsUS4764423AAug 16, 1988
Abrasive tape
FUJI PHOTO FILM CO LTD54 citations96
US4617226AOct 14, 1986
Magnetic recording medium
FUJI PHOTO FILM CO LTD32 citations92
US4420532ADec 13, 1983
Magnetic recording medium
FUJI PHOTO FILM CO LTD36 citations92
US4626469ADec 2, 1986
Magnetic recording material
FUJI PHOTO FILM CO LTD20 citations82
US4546038AOct 8, 1985
Magnetic recording medium
FUJI PHOTO FILM CO LTD21 citations82
US4544601AOct 1, 1985
Magnetic recording medium
FUJI PHOTO FILM CO LTD22 citations82
US4551386ANov 5, 1985
Magnetic recording materials
FUJI PHOTO FILM CO LTD19 citations81
US4002804AJan 11, 1977
Magnetic recording material
FUJI PHOTO FILM CO LTD28 citations81
US4425400AJan 10, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD25 citations79
US4840842AJun 20, 1989
Abrasive tape
FUJI PHOTO FILM CO LTD10 citations74
US4767644AAug 30, 1988
Method of making abrasive tape
FUJI PHOTO FILM CO LTD7 citations74
US4668568AMay 26, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD15 citations74
US4619855AOct 28, 1986
Magnetic recording medium with electron beam cured magnetic layer
FUJI PHOTO FILM CO LTD7 citations74
US4497864AFeb 5, 1985
Magnetic recording medium
FUJI PHOTO FILM CO LTD11 citations74
US4474848AOct 2, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD11 citations74
US4448842AMay 15, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD18 citations74
US4427738AJan 24, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4273797AJun 16, 1981
Method of detecting pinholes in a magnetic recording medium
FUJI PHOTO FILM CO LTD8 citations74
US4171406AOct 16, 1979
Magnetic recording medium
FUJI PHOTO FILM CO LTD13 citations74
US4132827AJan 2, 1979
Magnetic recording substance
FUJI PHOTO FILM CO LTD14 citations74
US4686139AAug 11, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations73
US4579778AApr 1, 1986
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations73
US4499121AFeb 12, 1985
Method of preparing a magnetic recording medium with a calendering treatment
FUJI PHOTO FILM CO LTD8 citations73
US4202927AMay 13, 1980
Magnetic recording medium
FUJI PHOTO FILM CO LTD12 citations72
US4756960AJul 12, 1988
Abrasive tape
FUJI PHOTO FILM CO LTD2 citations63
US4752524AJun 21, 1988
Abrasive tape
FUJI PHOTO FILM CO LTD5 citations63
US4650720AMar 17, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD4 citations63
US4647503AMar 3, 1987
Magnetic recording medium including magnetic layer with carbon black particles and a fatty acid ester
FUJI PHOTO FILM CO LTD3 citations63
US4734325AMar 29, 1988
Magnetic recording medium
FUJI PHOTO FILM CO LTD6 citations62
US4728569AMar 1, 1988
Magnetic recording medium
FUJI PHOTO FILM CO LTD6 citations62
US4696858ASep 29, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD2 citations62
US4663217AMay 5, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD4 citations62
US4649072AMar 10, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD6 citations62
US4444842AApr 24, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD2 citations62
US4411966AOct 25, 1983
Magnetic recording medium
FUJI PHOTO FILM CO LTD4 citations62
US4187345AFeb 5, 1980
Magnetic recording medium
FUJI PHOTO FILM CO LTD3 citations62
US4601946AJul 22, 1986
Magnetic recording medium
FUJI PHOTO FILM CO LTD5 citations61
US4356232AOct 26, 1982
Method for producing magnetic recording medium
FUJI PHOTO FILM CO LTD3 citations61
US4822672AApr 18, 1989
Abasive tape
FUJI PHOTO FILM CO LTD1 citations52
US4647501AMar 3, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD1 citations52
HONDA MOTOR CO LTD
9 patentsUS10710462B2Jul 14, 2020
Driving device
HONDA MOTOR CO LTD7 citations71
US11098769B2Aug 24, 2021
Clutch mechanism and piston
HONDA MOTOR CO LTD1 citations61
US10801596B2Oct 13, 2020
Power transmission device
HONDA MOTOR CO LTD1 citations61
US10890217B2Jan 12, 2021
Hydraulic clutch device
HONDA MOTOR CO LTD0 citations50
US10663014B2May 26, 2020
Hydraulic clutch device
HONDA MOTOR CO LTD0 citations50
US10670088B2Jun 2, 2020
Hydraulic clutch device
HONDA MOTOR CO LTD0 citations40
US10731746B2Aug 4, 2020
Power transmission apparatus
HONDA MOTOR CO LTD0 citations37
US10731714B2Aug 4, 2020
Power transmission apparatus
HONDA MOTOR CO LTD0 citations37
US10626926B2Apr 21, 2020
Power transmission apparatus and lubricating structure of power transmission apparatus
HONDA MOTOR CO LTD0 citations33