Inventor
YAMAUCHI MASAAKI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “YAMAUCHI MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS4581560AApr 8, 1986
Electron gun for color picture tube
HITACHI LTD39 citations92
US4599534AJul 8, 1986
Electron gun for color picture tube
HITACHI LTD27 citations91
US4851741AJul 25, 1989
Electron gun for color picture tube
HITACHI LTD22 citations81
US4168450ASep 18, 1979
Slot type shadow mask
HITACHI LTD25 citations81
US4366414ADec 28, 1982
Electrode of color picture tube electron gun and method for manufacture thereof
HITACHI LTD23 citations80
US3987328AOct 19, 1976
In-line type electron gun assembly for use in multi-beam type color picture tubes
HITACHI LTD12 citations74
US4510413AApr 9, 1985
Electrode structure for electron gun
HITACHI LTD8 citations72
US3949411AApr 6, 1976
Exposure apparatus
HITACHI LTD7 citations71
US4980606ADec 25, 1990
Electron beam focusing device for use in a CRT
HITACHI LTD6 citations63
US4965489AOct 23, 1990
Electron gun for cathode-ray tube
HITACHI LTD3 citations63
US4760308AJul 26, 1988
Electron gun for color picture tubes
HITACHI LTD3 citations63
US4241275ADec 23, 1980
In-line type electron gun structure for color picture tubes
HITACHI LTD3 citations63
US4427397AJan 24, 1984
Method for forming electron gun electrodes
HITACHI LTD5 citations62
US4672261AJun 9, 1987
Electron gun for color picture tube
HITACHI LTD3 citations61
US4498026AFeb 5, 1985
Electron gun for color picture tube
HITACHI LTD4 citations61
US4481003ANov 6, 1984
Method of producing itegral electrode structure for electron gun
HITACHI LTD3 citations61
US4381473AApr 26, 1983
In-line type electron gun structure
HITACHI LTD3 citations58
US3980918ASep 14, 1976
Electron gun assembly for color picture tube
HITACHI LTD0 citations52
SUMITOMO ELECTRIC INDUSTRIES
11 patentsUS6288342B1Sep 11, 2001
Insulated wire
SUMITOMO ELECTRIC INDUSTRIES26 citations90
US10485102B2Nov 19, 2019
Substrate for high-frequency printed wiring board
SUMITOMO ELECTRIC INDUSTRIES2 citations71
US10962498B2Mar 30, 2021
Method for producing insulated electric wire, method for inspecting insulated electric wire, and apparatus for producing insulated electric wire
SUMITOMO ELECTRIC INDUSTRIES2 citations70
US9378863B2Jun 28, 2016
Insulating varnish and insulated electrical wire using same
SUMITOMO ELECTRIC INDUSTRIES4 citations69
US10991477B2Apr 27, 2021
Insulated electrical cable
SUMITOMO ELECTRIC INDUSTRIES1 citations62
USRE49929EApr 16, 2024
Substrate for high-frequency printed wiring board
SUMITOMO ELECTRIC INDUSTRIES1 citations61
US10607750B2Mar 31, 2020
Insulated wire
SUMITOMO ELECTRIC INDUSTRIES1 citations61
US10468153B2Nov 5, 2019
Insulated electric wire and method for producing insulated electric wire
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US12509553B2Dec 30, 2025
Resin composition, method for producing resin composition, and insulated electrical wire
SUMITOMO ELECTRIC INDUSTRIES0 citations48
US12106868B2Oct 1, 2024
Insulated wire
SUMITOMO ELECTRIC INDUSTRIES0 citations47
US10832829B2Nov 10, 2020
Insulated electric wire and varnish for forming insulating layer
SUMITOMO ELECTRIC INDUSTRIES0 citations39
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
7 patentsUS7338337B2Mar 4, 2008
Aging method of plasma display panel
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US7209098B2Apr 24, 2007
Plasma display panel aging method and aging device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US7037156B2May 2, 2006
Method of manufacturing a plasma display panel with adsorbing an impurity gas
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62
US7303456B2Dec 4, 2007
Plasma display panel and method of aging the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52
US7288012B2Oct 30, 2007
Method of manufacturing plasma display panel
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US7270585B2Sep 18, 2007
Plasma display panel and its aging method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US7175493B2Feb 13, 2007
Plasma display panel and its manufacturing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52