Inventor
UMEMURA SHIZUO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “UMEMURA SHIZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
14 patentsUS6519387B1Feb 11, 2003
Image recording device and optical fiber
FUJI PHOTO FILM CO LTD25 citations92
US5418029AMay 23, 1995
Information recording medium and method
FUJI PHOTO FILM CO LTD33 citations92
US5371729ADec 6, 1994
Information recording method
FUJI PHOTO FILM CO LTD26 citations92
US4475946AOct 9, 1984
Ferromagnetic metal particles of iron alloyed with Ti, V, Cr, Mn, Co, Ni, Cu, Zn, Si, P, Mo, Sn, Sb and Ag coated with mono- or dialkoxysilanes
FUJI PHOTO FILM CO LTD25 citations82
US5055353AOct 8, 1991
Magneto-optical recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4608093AAug 26, 1986
Ferromagnetic particles with stable magnetic characteristics and method of preparing same
FUJI PHOTO FILM CO LTD7 citations74
US4554089ANov 19, 1985
Ferromagnetic particles with stable magnetic characteristics and method of preparing same
FUJI PHOTO FILM CO LTD7 citations74
US4487627ADec 11, 1984
Method for preparing ferromagnetic metal particles
FUJI PHOTO FILM CO LTD13 citations74
US4437882AMar 20, 1984
Ferromagnetic powder treated with an organic silane compound
FUJI PHOTO FILM CO LTD15 citations74
US4983025AJan 8, 1991
Magneto-optical thin film
FUJI PHOTO FILM CO LTD13 citations73
US4822673AApr 18, 1989
Microwave device
FUJI PHOTO FILM CO LTD10 citations73
US5981042ANov 9, 1999
Medium for recording information on ferroelectric material using polarization
FUJI PHOTO FILM CO LTD2 citations63
US4481253ANov 6, 1984
Process for preparing ferromagnetic metal powder and a magnetic recording medium including the powder
FUJI PHOTO FILM CO LTD4 citations62
US5684522ANov 4, 1997
Method of recording information on ferroelectric material using polarization
FUJI PHOTO FILM CO LTD1 citations52