Inventor
IGUCHI YUKINOBU
JP25 patents
⚠️ This page may combine multiple inventors who share the name “IGUCHI YUKINOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
14 patentsUS5539285AJul 23, 1996
Cathode-ray tube with electric field correction lens for improved resolution
SONY CORP19 citations81
US5367230ANov 22, 1994
Cathode-ray tube with convergence yoke lens systems
SONY CORP8 citations74
US6483235B1Nov 19, 2002
Image display apparatus with rectangular-shaped spacers having added tensions
SONY CORP7 citations72
US6016028AJan 18, 2000
Glass bulb for color picture tube and the same tube
SONY CORP11 citations72
US5661363AAug 26, 1997
Luminated main lens member for an electron gun
SONY CORP6 citations69
US5418421AMay 23, 1995
Cathode-ray tube with electrostatic convergence electrode assembly
SONY CORP7 citations68
US5488264AJan 30, 1996
Electron gun for color cathode-ray tube
SONY CORP4 citations62
US5424619AJun 13, 1995
Dynamic convergence device for color cathode-ray tube
SONY CORP2 citations61
US5396156AMar 7, 1995
Convergence correction circuit for cathode ray tube
SONY CORP2 citations61
US7750872B2Jul 6, 2010
Method for driving a flat-type display device
SONY CORP2 citations60
US7158102B2Jan 2, 2007
System and method for recalibrating flat panel field emission displays
SONY CORP6 citations59
US5399932AMar 21, 1995
Three gun color CRT which has three grids with the holes in the third grid shifted relative to the holes in first and second grids
SONY CORP2 citations59
US4703223AOct 27, 1987
Electron gun for a color display apparatus
SONY CORP6 citations59
USRE39739EJul 24, 2007
Glass bulb for color picture tube and the same tube
SONY CORP0 citations51
KONICA MINOLTA INC
6 patentsUS9632464B2Apr 25, 2017
Image forming apparatus
KONICA MINOLTA INC2 citations72
US11899999B2Feb 13, 2024
Image forming apparatus, information processing terminal, method, and program
KONICA MINOLTA INC0 citations51
US9651903B2May 16, 2017
Fixing device and image-forming apparatus using the same
KONICA MINOLTA INC1 citations50
US12498663B2Dec 16, 2025
Image forming system, diagnostic method, and non-transitory computer-readable recording medium
KONICA MINOLTA INC0 citations49
US10264162B2Apr 16, 2019
Image forming system, image reading apparatus, and image forming apparatus including means for determining a temperature distribution in a paper medium
KONICA MINOLTA INC0 citations42
US9639039B2May 2, 2017
Image forming apparatus
KONICA MINOLTA INC0 citations41