Inventor
YANAI AKIO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “YANAI AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
18 patentsUS4511594AApr 16, 1985
System of manufacturing magnetic recording media
FUJI PHOTO FILM CO LTD21 citations82
US4333985AJun 8, 1982
Magnetic recording medium
FUJI PHOTO FILM CO LTD28 citations82
US5082714AJan 21, 1992
Magnetic recording media
FUJI PHOTO FILM CO LTD10 citations74
US4873154AOct 10, 1989
Magnetic recording medium containing Fe, Co, N and O
FUJI PHOTO FILM CO LTD7 citations74
US4801500AJan 31, 1989
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations74
US4661418AApr 28, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD18 citations74
US4604293AAug 5, 1986
Process for producing magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4477489AOct 16, 1984
Method of making magnetic recording medium
FUJI PHOTO FILM CO LTD14 citations74
US4448843AMay 15, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations74
US4990361AFeb 5, 1991
Method for producing magnetic recording medium
FUJI PHOTO FILM CO LTD7 citations73
US5114778AMay 19, 1992
Magnetic recording medium
FUJI PHOTO FILM CO LTD6 citations63
US4743467AMay 10, 1988
Method for preparing magnetic recording medium
FUJI PHOTO FILM CO LTD2 citations63
US4702938AOct 27, 1987
Process for producing magnetic recording material
FUJI PHOTO FILM CO LTD4 citations63
US4588636AMay 13, 1986
Magnetic recording medium
FUJI PHOTO FILM CO LTD3 citations63
US4557948ADec 10, 1985
Process for producing magnetic recording materials
FUJI PHOTO FILM CO LTD5 citations63
US4948626AAug 14, 1990
Method for producing thin-film magnetic recording medium
FUJI PHOTO FILM CO LTD3 citations62
US4923748AMay 8, 1990
Magnetic recording medium
FUJI PHOTO FILM CO LTD3 citations62
US4956229ASep 11, 1990
Magnetic recording medium
FUJI PHOTO FILM CO LTD1 citations52