Inventor
KITADA AKIRA
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KITADA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
15 patentsUS5164224ANov 17, 1992
Radiation image storage panel radiographic intensifying screen and processes for the preparation of the same
FUJI PHOTO FILM CO LTD33 citations92
US4728583AMar 1, 1988
Radiation image storage panel and process for the preparation of the same
FUJI PHOTO FILM CO LTD31 citations92
US4367283AJan 4, 1983
Photographic light-sensitive material with three surface active agents
FUJI PHOTO FILM CO LTD24 citations82
US4789785ADec 6, 1988
Radiation image converting material
FUJI PHOTO FILM CO LTD18 citations81
US4855191AAug 8, 1989
Radiation image converting material
FUJI PHOTO FILM CO LTD22 citations79
US5153078AOct 6, 1992
Radiation image storage panel, radiographic intensifying screen and processes for the preparation of the same
FUJI PHOTO FILM CO LTD11 citations74
US4952813AAug 28, 1990
Radiographic intensifying screen and process for the preparation of the same
FUJI PHOTO FILM CO LTD7 citations74
US4943727AJul 24, 1990
Radiographic intensifying screen
FUJI PHOTO FILM CO LTD10 citations73
US4835396AMay 30, 1989
Radiographic intensifying screen and radiation image producing method
FUJI PHOTO FILM CO LTD15 citations73
US4733089AMar 22, 1988
Radiographic intensifying screen
FUJI PHOTO FILM CO LTD9 citations73
US4618778AOct 21, 1986
Radiographic intensifying screen
FUJI PHOTO FILM CO LTD8 citations73
US4604525AAug 5, 1986
Radiation image storage panel with dispersing agent
FUJI PHOTO FILM CO LTD16 citations73
US4501796AFeb 26, 1985
Radiographic intensifying screen
FUJI PHOTO FILM CO LTD8 citations73
US4455323AJun 19, 1984
Process for the preparation of radiographic intensifying screen
FUJI PHOTO FILM CO LTD11 citations73
US4704538ANov 3, 1987
Radiographic intensifying screen
FUJI PHOTO FILM CO LTD4 citations62
DAI ICHI KOGYO SEIYAKU CO LTD
3 patentsUS6486281B1Nov 26, 2002
Process for preparing high-purity vinylpyrrolidone polymer
DAI ICHI KOGYO SEIYAKU CO LTD14 citations80
US5783628AJul 21, 1998
Modified polyvinyl alcohol
DAI ICHI KOGYO SEIYAKU CO LTD13 citations71
US6465592B1Oct 15, 2002
Process for preparing vinylpyrrolidone polymer
DAI ICHI KOGYO SEIYAKU CO LTD9 citations70