Inventor
ASHIZAKI SHIGEYA
JP16 patents
⚠️ This page may combine multiple inventors who share the name “ASHIZAKI SHIGEYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRONICS CORP
15 patentsUS4758449AJul 19, 1988
Method for making a phosphor layer
MATSUSHITA ELECTRONICS CORP38 citations91
US4701677AOct 20, 1987
Color cathode ray tube apparatus
MATSUSHITA ELECTRONICS CORP30 citations90
US4473775ASep 25, 1984
Cathode-ray tube device
MATSUSHITA ELECTRONICS CORP21 citations81
US4275332AJun 23, 1981
In-line electron gun
MATSUSHITA ELECTRONICS CORP24 citations80
US5128586AJul 7, 1992
Color cathode ray tube gun having control grid of varying thickness
MATSUSHITA ELECTRONICS CORP13 citations73
US4939415AJul 3, 1990
Deflection yoke
MATSUSHITA ELECTRONICS CORP14 citations73
US4777401AOct 11, 1988
Color picture tube having a face panel with an outer face having a hyperbolic curvature
MATSUSHITA ELECTRONICS CORP14 citations73
US3989977ANov 2, 1976
Color picture tube
MATSUSHITA ELECTRONICS CORP8 citations73
US4728859AMar 1, 1988
In-line electron gun
MATSUSHITA ELECTRONICS CORP20 citations72
US4424467AJan 3, 1984
Cathode-ray tube having a mixture of long and short persistence phosphors
MATSUSHITA ELECTRONICS CORP16 citations72
US4831309AMay 16, 1989
Cathode ray tube apparatus
MATSUSHITA ELECTRONICS CORP4 citations62
US4609847ASep 2, 1986
Cathode ray tube with magnetic pole pieces which support a ring getter
MATSUSHITA ELECTRONICS CORP3 citations62
US3993487ANov 23, 1976
Method for manufacture of color television picture tubes using rotating light source
MATSUSHITA ELECTRONICS CORP6 citations61
US4612474ASep 16, 1986
In-line type electron gun
MATSUSHITA ELECTRONICS CORP3 citations60
US4485328ANov 27, 1984
Monochromatic picture tube
MATSUSHITA ELECTRONICS CORP1 citations47