Inventor · disambiguated record
Kenji Itaya
Also filed as: ITAYA KENJI
43 granted patents·3 pending applications·416 citations·filing 1975–2008
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD34MATSUSHITA ELECTRONICS CORP4ITAYA KENJI2OSAKA SODA CO LTD2MATSUSHITA ELECTRONICS CORP AND MATSUSHITA ELECTRIC WORKS LTD1
Top patents by PatentIndex Score
46 records- 0194US7074104B2Low-pressure mercury vapor discharge lamp with improved heat dissipation, and manufacturing method thereforeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 11, 2006·44 cites·5 claims
- 0290US6762550B2Electrodeless discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 13, 2004·36 cites·15 claims
- 0386US6172452B1Low pressure mercury vapor discharge lamp with heat conductive componentMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Jan 9, 2001·57 cites·11 claims
- 0484USD542426SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted May 8, 2007·35 cites·1 claims
- 0584US6979940B2Electrodeless discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 27, 2005·19 cites·20 claims
- 0680US7423370B2Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Sep 9, 2008·4 cites·5 claims
- 0779US6768254B2Self-ballasted electrodeless discharge lamp and electrodeless discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 27, 2004·16 cites·8 claims
- 0878US4119508AMethod of purifying the raw brine used in alkali salt electrolysisOSAKA SODA CO LTD·Filed 1977·Granted Oct 10, 1978·22 cites·8 claims
- 0978US4060465AMethod of purifying the raw brine used in alkali salt electrolysisOSAKA SODA CO LTD·Filed 1975·Granted Nov 29, 1977·20 cites·7 claims
- 1070US6469427B1Lamp having improved electrical connectionMATSUSHITA ELECTRONICS CORP·Filed 2000·Granted Oct 22, 2002·8 cites·6 claims
- 1167US7196462B2Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 27, 2007·5 cites·15 claims
- 1265US6456001B1Fluorescent lamp having V-shaped grooves for guiding lead wireMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 24, 2002·6 cites·3 claims
- 1364US7021985B2Arc tube with shortened total length, manufacturing method for arc tube, and low-pressure mercury lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 4, 2006·4 cites·8 claims
- 1463US7064488B2Easily-assembled compact self-ballasted fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 20, 2006·5 cites·8 claims
- 1563US7059929B2Arc tube manufacturing method that reduces unevenness in thickness of a phosphor layer on an inner surface of a bent glass tubeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 13, 2006·5 cites·15 claims
- 1663US6367947B1Fluorescent lamp having excellent light distribution and high impact-resistanceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 9, 2002·12 cites·26 claims
- 1762US7321190B2Low-pressure mercury lamp having a spiral arc tube and method for assembling the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 22, 2008·4 cites·14 claims
- 1862USD532124SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Nov 14, 2006·16 cites·1 claims
- 1962US5844357ALight-bulb-shaped fluorescent lampMATSUSHITA ELECTRONICS CORP·Filed 1997·Granted Dec 1, 1998·15 cites·10 claims
- 2061US5977692AAnnulus fluorescent lamp with overheat protectionMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Nov 2, 1999·15 cites·6 claims
- 2160US6984926B2Compact self-ballasted fluorescent lamp resistant to heat deformationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 10, 2006·4 cites·11 claims
- 2258US6431725B1Bulb-shaped fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 13, 2002·3 cites·5 claims
- 2357US6583543B1Fluorescent lamp with improved productivity, and manufacturing method for the fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 24, 2003·6 cites·21 claims
- 2452US7901264B2Process for producing double helical glass tube, light-emitting tube for fluorescent lamp, and fluorescent lampPANASONIC CORP·Filed 2006·Granted Mar 8, 2011·0 cites·15 claims
- 2551US6972514B2Low-pressure mercury vapor discharge lamp with improved heat dissipation, and manufacturing method thereforeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 6, 2005·1 cites·17 claims
- 2649USD417193SBase for fluorescent lampMATSUSHITA ELECTRONICS CORP AND MATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Nov 30, 1999·8 cites·1 claims
- 2749US2008191599A1Discharge lampITAYA KENJI·Filed 2008·Application pending·0 cites
- 2848USD577132SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Sep 16, 2008·7 cites·1 claims
- 2947USD560289SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Jan 22, 2008·6 cites·1 claims
- 3047US6297585B1Fluorescent lamp with thermal protection element manufacturing method for the fluorescent lamp and a lighting apparatus using the sameMATUSHITA ELECTRIC IND CO LTD·Filed 1999·Granted Oct 2, 2001·8 cites·19 claims
- 3147US2009134771A1Arc tube and method of phosphor coatingITAYA KENJI·Filed 2006·Application pending·0 cites
- 3246US7332866B2Arc tube and low-pressure mercury lamp that can be reduced in sizeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Feb 19, 2008·1 cites·9 claims
- 3346USD520151SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted May 2, 2006·6 cites·1 claims
- 3444USD474850SPart of fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 20, 2003·5 cites·1 claims
- 3542US6558019B2Bulb-shaped fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 6, 2003·0 cites·5 claims
- 3641USD560288SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Jan 22, 2008·4 cites·1 claims
- 3741USD520651SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted May 9, 2006·4 cites·1 claims
- 3840US7088056B2Bulb type electrodeless fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 8, 2006·0 cites·11 claims
- 3940US2004140746A1Self-ballasted electrodeless fluorescent lamp and electrodeless fluorescent lamp operating deviceFiled 2004·Application pending·0 cites
- 4038US6031324AAnnulus fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Feb 29, 2000·3 cites·6 claims
- 4132USD485918SPart of fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jan 27, 2004·1 cites·1 claims
- 4231US6369504B1Low pressure mercury vapor discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 9, 2002·0 cites·7 claims
- 4330USD561386SBase for fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Feb 5, 2008·1 cites·1 claims
- 4430USD560290SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Jan 22, 2008·0 cites·1 claims
- 4530USD520652SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted May 9, 2006·0 cites·1 claims
- 4628USD561356SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Feb 5, 2008·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →