Inventor · disambiguated record
Masaaki Yamauchi
Also filed as: HASE YOSHINOBU · YAMAUCHI MASAAKI
39 granted patents·9 pending applications·275 citations·filing 1974–2022
97Inventor score
Files withHITACHI LTD18SUMITOMO ELECTRIC INDUSTRIES16MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7KANEBO FOODS2AKIYAMA KOJI1
Top patents by PatentIndex Score
48 records- 0191US4581560AElectron gun for color picture tubeHITACHI LTD·Filed 1982·Granted Apr 8, 1986·39 cites·12 claims
- 0286US4168450ASlot type shadow maskHITACHI LTD·Filed 1977·Granted Sep 18, 1979·25 cites·5 claims
- 0385US10991477B2Insulated electrical cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Apr 27, 2021·1 cites·6 claims
- 0485US4599534AElectron gun for color picture tubeHITACHI LTD·Filed 1984·Granted Jul 8, 1986·27 cites·17 claims
- 0580US10962498B2Method for producing insulated electric wire, method for inspecting insulated electric wire, and apparatus for producing insulated electric wireSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Mar 30, 2021·2 cites·20 claims
- 0680US9378863B2Insulating varnish and insulated electrical wire using sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Granted Jun 28, 2016·4 cites·9 claims
- 0780US4366414AElectrode of color picture tube electron gun and method for manufacture thereofHITACHI LTD·Filed 1980·Granted Dec 28, 1982·23 cites·8 claims
- 0879US10485102B2Substrate for high-frequency printed wiring boardSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Nov 19, 2019·2 cites·8 claims
- 0977US4851741AElectron gun for color picture tubeHITACHI LTD·Filed 1988·Granted Jul 25, 1989·22 cites·11 claims
- 1074US10607750B2Insulated wireSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Mar 31, 2020·1 cites·15 claims
- 1172USRE49929ESubstrate for high-frequency printed wiring boardSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Apr 16, 2024·1 cites·8 claims
- 1271US3987328AIn-line type electron gun assembly for use in multi-beam type color picture tubesHITACHI LTD·Filed 1975·Granted Oct 19, 1976·12 cites·11 claims
- 1368US7303456B2Plasma display panel and method of aging the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Dec 4, 2007·1 cites·2 claims
- 1467US6288342B1Insulated wireSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Sep 11, 2001·26 cites·23 claims
- 1564US7037156B2Method of manufacturing a plasma display panel with adsorbing an impurity gasMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 2, 2006·4 cites·3 claims
- 1664US2024052199A1Insulated electrical wire and production method thereforSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 1763US2025223464A1Method of manufacturing prepolymer solution and method of manufacturing insulated electric wireSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 1862US7338337B2Aging method of plasma display panelMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Mar 4, 2008·4 cites·8 claims
- 1960US4510413AElectrode structure for electron gunHITACHI LTD·Filed 1980·Granted Apr 9, 1985·8 cites·15 claims
- 2059US12106868B2Insulated wireSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Oct 1, 2024·0 cites·4 claims
- 2158US10468153B2Insulated electric wire and method for producing insulated electric wireSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Nov 5, 2019·0 cites·10 claims
- 2256US7209098B2Plasma display panel aging method and aging deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 24, 2007·4 cites·12 claims
- 2354US7175493B2Plasma display panel and its manufacturing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Feb 13, 2007·0 cites·13 claims
- 2454US3949411AExposure apparatusHITACHI LTD·Filed 1974·Granted Apr 6, 1976·7 cites·7 claims
- 2553US2025333621A1Resin composition and insulated wireSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 2652US12509553B2Resin composition, method for producing resin composition, and insulated electrical wireSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Dec 30, 2025·0 cites·31 claims
- 2751US4214007AProcessed dried beans as instant food and their manufacturing methodKANEBO FOODS·Filed 1978·Granted Jul 22, 1980·14 cites·21 claims
- 2850US4674228AProcess of shiitake (lentinus edodes) cultivationKANEBO FOODS·Filed 1985·Granted Jun 23, 1987·15 cites·8 claims
- 2948US4980606AElectron beam focusing device for use in a CRTHITACHI LTD·Filed 1988·Granted Dec 25, 1990·6 cites·7 claims
- 3048US4427397AMethod for forming electron gun electrodesHITACHI LTD·Filed 1981·Granted Jan 24, 1984·5 cites·4 claims
- 3147US7629947B2Plasma display panel aging methodPANASONIC CORP·Filed 2005·Granted Dec 8, 2009·0 cites·2 claims
- 3247US2020118705A1Insulated electric wireSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Application pending·0 cites
- 3345US7270585B2Plasma display panel and its aging methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 18, 2007·0 cites·5 claims
- 3444US2020135360A1Insulated electric wireSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Application pending·0 cites
- 3543US7288012B2Method of manufacturing plasma display panelMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 30, 2007·0 cites·6 claims
- 3643US4498026AElectron gun for color picture tubeHITACHI LTD·Filed 1983·Granted Feb 5, 1985·4 cites·3 claims
- 3743US2013098656A1Polyimide resin varnish, and insulated wire, electrical coil, and motor using sameSAITO HIDEAKI·Filed 2012·Application pending·0 cites
- 3842US10832829B2Insulated electric wire and varnish for forming insulating layerSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Nov 10, 2020·0 cites·7 claims
- 3941US4481003AMethod of producing itegral electrode structure for electron gunHITACHI LTD·Filed 1982·Granted Nov 6, 1984·3 cites·8 claims
- 4041US4241275AIn-line type electron gun structure for color picture tubesHITACHI LTD·Filed 1979·Granted Dec 23, 1980·3 cites·6 claims
- 4140US4760308AElectron gun for color picture tubesHITACHI LTD·Filed 1981·Granted Jul 26, 1988·3 cites·18 claims
- 4240US2006228972A1Aging method and aging apparatus for plasma display panelAKIYAMA KOJI·Filed 2004·Application pending·0 cites
- 4340US2010132975A1Insulated electrical wire, electrical coil, and motorSHIMIZU TORU·Filed 2008·Application pending·0 cites
- 4438US4965489AElectron gun for cathode-ray tubeHITACHI LTD·Filed 1989·Granted Oct 23, 1990·3 cites·8 claims
- 4536US4672261AElectron gun for color picture tubeHITACHI LTD·Filed 1985·Granted Jun 9, 1987·3 cites·34 claims
- 4636US2004070575A1Plasma display panel, and method and device for life test of the plasma display panelFiled 2001·Application pending·0 cites
- 4735US4381473AIn-line type electron gun structureHITACHI LTD·Filed 1980·Granted Apr 26, 1983·3 cites·3 claims
- 4830US3980918AElectron gun assembly for color picture tubeHITACHI LTD·Filed 1974·Granted Sep 14, 1976·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Masaaki Yamauchi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →