Inventor
SUGAHARA KOICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SUGAHARA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRONICS CORP
7 patentsUS5142189AAug 25, 1992
In-line type electron gun for a color cathode ray tube
MATSUSHITA ELECTRONICS CORP32 citations91
US5061881AOct 29, 1991
In-line electron gun
MATSUSHITA ELECTRONICS CORP47 citations91
US4701677AOct 20, 1987
Color cathode ray tube apparatus
MATSUSHITA ELECTRONICS CORP30 citations90
US4275332AJun 23, 1981
In-line electron gun
MATSUSHITA ELECTRONICS CORP24 citations80
US4612474ASep 16, 1986
In-line type electron gun
MATSUSHITA ELECTRONICS CORP3 citations60
US5157301AOct 20, 1992
Color cathode ray tube unit
MATSUSHITA ELECTRONICS CORP4 citations58
US5233267AAug 3, 1993
Dynamic convergence system for color cathode ray tubes having an in line electron gun
MATSUSHITA ELECTRONICS CORP2 citations56