Inventor
IWASAKI KATSUYO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “IWASAKI KATSUYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRONICS CORP
11 patentsUS6160363ADec 12, 2000
Cathode ray tube having vertical and horizontal line misconvergence correction
MATSUSHITA ELECTRONICS CORP7 citations73
US4939415AJul 3, 1990
Deflection yoke
MATSUSHITA ELECTRONICS CORP14 citations73
US4728915AMar 1, 1988
Deflection yoke for a color cathode ray tube
MATSUSHITA ELECTRONICS CORP12 citations73
USRE35183EMar 19, 1996
Deflection yoke for use in color cathode ray tubes
MATSUSHITA ELECTRONICS CORP5 citations71
US5115170AMay 19, 1992
Deflection yoke for use in color cathode ray tubes
MATSUSHITA ELECTRONICS CORP8 citations71
US4600858AJul 15, 1986
Color cathode ray tube apparatus to modify deflection magnetic fields
MATSUSHITA ELECTRONICS CORP10 citations70
US5179319AJan 12, 1993
Deflection yoke for a color CRT
MATSUSHITA ELECTRONICS CORP14 citations68
US5880660AMar 9, 1999
Cathode ray tube apparatus
MATSUSHITA ELECTRONICS CORP4 citations62
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
US5920149AJul 6, 1999
Terminal board cover and picture tube device using the same
MATSUSHITA ELECTRONICS CORP0 citations51
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
10 patentsUS6326742B1Dec 4, 2001
Color CRT with cross-misconvergence correction device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US7061170B2Jun 13, 2006
Deflection yoke having magnets for correcting raster distortion and cathode-ray tube apparatus having the deflection yoke
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US6838811B2Jan 4, 2005
Deflection yoke and CRT device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
US7012360B2Mar 14, 2006
Cathode ray tube apparatus having velocity modulation coil
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations61
US6404133B1Jun 11, 2002
Cathode ray tube device that reduces magnetic field leakage
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations61
US6753644B1Jun 22, 2004
Color cathode-ray tube and color cathode-ray tube apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US6304044B1Oct 16, 2001
Color display tube device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations52
US7227301B2Jun 5, 2007
Cathode-ray tube device capable of reducing misconvergence
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations51
US6630791B2Oct 7, 2003
Cathode ray tube device that reduces magnetic field leakage
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations50
US6791287B2Sep 14, 2004
Deflection yoke device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations49
MATSUSHITA TOSHIBA PICTURE
6 patentsUS7126292B2Oct 24, 2006
Cathode-ray tube apparatus
MATSUSHITA TOSHIBA PICTURE2 citations61
US7385341B2Jun 10, 2008
Cathode-ray tube apparatus with magnetic spacers between magnetic rings
MATSUSHITA TOSHIBA PICTURE0 citations51
US7138755B2Nov 21, 2006
Color picture tube apparatus having beam velocity modulation coils overlapping with convergence and purity unit and ring shaped ferrite core
MATSUSHITA TOSHIBA PICTURE0 citations41
US7119485B2Oct 10, 2006
Cathode-ray tube apparatus
MATSUSHITA TOSHIBA PICTURE0 citations41
US7038368B2May 2, 2006
Color picture tube apparatus having a pair of bar shaped magnets for correcting misconvergence due to the rotational shift of the electron beams
MATSUSHITA TOSHIBA PICTURE0 citations41
US7129628B2Oct 31, 2006
Velocity modulation coil apparatus and cathode-ray tube apparatus
MATSUSHITA TOSHIBA PICTURE0 citations40