Inventor · disambiguated record
Keisuke Koga
Also filed as: KOGA KEISUKE
26 granted patents·6 pending applications·346 citations·filing 1988–2011
96Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD18MATSUSHITA TOSHIBA PICTURE4PANASONIC CORP3JOUNO MASAHIRO1NAKANO YUUJI1
Top patents by PatentIndex Score
32 records- 0197US6400091B1Electron emission element and image output deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 4, 2002·106 cites·30 claims
- 0294US6692327B1Method for producing electron emitting elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 17, 2004·52 cites·5 claims
- 0393US7825591B2Mesh structure and field-emission electron source apparatus using the samePANASONIC CORP·Filed 2007·Granted Nov 2, 2010·20 cites·15 claims
- 0479US8384281B2Matrix-type cold-cathode electron source devicePANASONIC CORP·Filed 2009·Granted Feb 26, 2013·4 cites·5 claims
- 0577US4948238AOptical projection systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Aug 14, 1990·38 cites·6 claims
- 0670US8294351B2Matrix-type cold-cathode electron source deviceYAMAMOTO MAKOTO·Filed 2009·Granted Oct 23, 2012·2 cites·16 claims
- 0767US7588475B2Field-emission electron source, method of manufacturing the same, and image display apparatusPANASONIC CORP·Filed 2007·Granted Sep 15, 2009·1 cites·16 claims
- 0866US5494179AField-emitter having a sharp apex and small-apertured gate and method for fabricating emitterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Feb 27, 1996·18 cites·26 claims
- 0963US8857500B2Heat exchange device and heat generating element containing device using sameTSUJI KEISUKE·Filed 2009·Granted Oct 14, 2014·4 cites·16 claims
- 1061US5909033AVacuum-sealed field-emission electron source and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jun 1, 1999·15 cites·8 claims
- 1160US6940218B2Doped field-emitterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 6, 2005·5 cites·8 claims
- 1259US7215072B2Field-emission electron source, method of manufacturing the same, and image display apparatusNAT INST OF ADVANCED IND SCIEN·Filed 2004·Granted May 8, 2007·3 cites·15 claims
- 1358US7112920B2Field emission source with plural emitters in an openingNAT INSTUTUTE OF ADVANCED IND·Filed 2004·Granted Sep 26, 2006·5 cites·18 claims
- 1455US7190334B2Driving method and driving apparatus for a field emission deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 13, 2007·4 cites·1 claims
- 1554US5925891AField-emission electron sourceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 20, 1999·9 cites·5 claims
- 1654US5897790AField-emission electron source and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Apr 27, 1999·9 cites·8 claims
- 1753US7365481B2Field emission device with change in emission propertyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 29, 2008·2 cites·27 claims
- 1853US4870289AApparatus for controlling relation in position between a photomask and a waferMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Sep 26, 1989·20 cites·24 claims
- 1949US6812654B2Field emission type electron source element, electron gun, cathode ray tube apparatus, and method for manufacturing cathode ray tubeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 2, 2004·1 cites·46 claims
- 2049US2007188075A1Field-emission electron source apparatusMATSUSHITA TOSHIBA PICTURE·Filed 2007·Application pending·0 cites
- 2149US2007188090A1Field-emission electron source apparatusMATSUSHITA TOSHIBA PICTURE·Filed 2007·Application pending·0 cites
- 2248US6818915B1Field-emission electron sourceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 16, 2004·11 cites·21 claims
- 2345US2006066216A1Field emission displayMATSUSHITA TOSHIBA PICTURE·Filed 2005·Application pending·0 cites
- 2445US2006066198A1Electron source apparatusMATSUSHITA TOSHIBA PICTURE·Filed 2005·Application pending·0 cites
- 2544US5434648AProximity exposure method and machine thereforSORTEC CORP·Filed 1994·Granted Jul 18, 1995·9 cites·7 claims
- 2643US5227268AX-ray mask and its fabricating method-comprising a first and second alignment patternMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jul 13, 1993·8 cites·4 claims
- 2743US2003151367A1Cold cathode and method for operating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 2840US6914373B2Electron lens and structure for a cold cathode of a cathode ray tubeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 5, 2005·0 cites·3 claims
- 2940US6794822B2Field emission electron source, electron gun and cathode ray tube device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 21, 2004·0 cites·8 claims
- 3040US6661166B2Electron gun and cathode-ray tubeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 9, 2003·0 cites·4 claims
- 3138US2013223593A1X-ray sensor, method for testing the x-ray sensor, and x-ray diagnostic device equipped with the x-ray sensorJOUNO MASAHIRO·Filed 2011·Application pending·0 cites
- 3234US8713959B2Heat generating body box housing refrigeration deviceNAKANO YUUJI·Filed 2010·Granted May 6, 2014·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Keisuke Koga 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 →