Inventor
UTAMURA YUKIHIKO
12 patents
Patents
12 patentsUS4066527AJan 3, 1978
Method of producing semiconductor device
FUTABA DENSHI KOGYO KK26 citations82
US4218495AAug 19, 1980
Schottky barrier type solid-state element
FUTABA DENSHI KOGYO KK8 citations73
US4161418AJul 17, 1979
Ionized-cluster-beam deposition process for fabricating p-n junction semiconductor layers
FUTABA DENSHI KOGYO KK14 citations73
US4139857AFeb 13, 1979
Schottky barrier type solid-state element
FUTABA DENSHI KOGYO KK11 citations73
US4098919AJul 4, 1978
Process for producing a thin fluorescent film for electroluminescence
FUTABA DENSHI KOGYO KK18 citations73
US4047072ASep 6, 1977
Multi-digit fluorescent display tube
FUTABA DENSHI KOGYO KK11 citations73
US4039699AAug 2, 1977
Method for making phosphors
FUTABA DENSHI KOGYO KK13 citations73
US4041348AAug 9, 1977
Multi-figure fluorescent display tube with electrical lead-ins having inner spring contact portions
FUTABA DENSHI KOGYO KK11 citations71
US4049993ASep 20, 1977
Multi-digit fluorescent display tube with inclined filament cathode
FUTABA DENSHI KOGYO KK3 citations62
US4047074ASep 6, 1977
Multi-digit fluorescent display tube with cathode filament support
FUTABA DENSHI KOGYO KK2 citations62
US4045704AAug 30, 1977
Multi-digit fluorescent display tube with differently spaced planar control grid sections
FUTABA DENSHI KOGYO KK5 citations62
US3967125AJun 29, 1976
Method and apparatus for making phosphors
FUTABA DENSHI KOGYO KK1 citations52