Inventor · disambiguated record
Takayuki Negami
Also filed as: NEGAMI TAKAYUKI
23 granted patents·14 pending applications·1,025 citations·filing 1993–2024
97Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD23PANASONIC CORP7PANASONIC IP MAN CO LTD4NEGAMI TAKAYUKI2MATSUHITA ELECTRIC CO LTD1
Top patents by PatentIndex Score
37 records- 0195US6259016B1Solar cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 10, 2001·89 cites·19 claims
- 0295US6107562ASemiconductor thin film, method for manufacturing the same, and solar cell using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Aug 22, 2000·199 cites·29 claims
- 0393US5445847AMethod for preparing chalcopyrite-type compoundMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 29, 1995·158 cites·17 claims
- 0492US6534704B2Solar cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 18, 2003·56 cites·20 claims
- 0592US5728231APrecursor for semiconductor thin films and method for producing semiconductor thin filmsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Mar 17, 1998·121 cites·39 claims
- 0691US5567469AProcess for producing chalcopyrite type compound thin filmMATSUHITA ELECTRIC CO LTD·Filed 1995·Granted Oct 22, 1996·144 cites·13 claims
- 0788US6441301B1Solar cell and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 27, 2002·40 cites·22 claims
- 0884US5633033AMethod for manufacturing chalcopyrite filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted May 27, 1997·65 cites·5 claims
- 0981US10236401B2Solar cell module and method of producing the samePANASONIC CORP·Filed 2017·Granted Mar 19, 2019·2 cites·7 claims
- 1075US6023020ASolar cell and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Feb 8, 2000·45 cites·33 claims
- 1175US2024404763A1Methods for manufacturing a solar cellPANASONIC IP MAN CO LTD·Filed 2024·Application pending·0 cites
- 1270US10483411B2Solar cell and solar cell modulePANASONIC CORP·Filed 2018·Granted Nov 19, 2019·1 cites·20 claims
- 1370US2023019802A1Solar cellPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 1461US7479596B2Solar cell and method for manufacturing the samePANASONIC CORP·Filed 2004·Granted Jan 20, 2009·7 cites·7 claims
- 1560US5422304AMethod for producing a thin film, and a semiconductor device having the thin filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 6, 1995·18 cites·9 claims
- 1660US2009090618A1Solar cell and method for manufacturing the samePANASONIC CORP·Filed 2008·Application pending·0 cites
- 1759US7071496B2Electronic device and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 4, 2006·4 cites·7 claims
- 1858US5474622ASolar cell having chalcopyrite semiconductor filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Dec 12, 1995·17 cites·1 claims
- 1954US2023141202A1Ionizing radiation conversion device and ionizing radiation detection methodPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 2053US2012285523A1Solar cellNEGAMI TAKAYUKI·Filed 2011·Application pending·0 cites
- 2152US2022077412A1Solar cell modulePANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 2250US6162296AMethod and apparatus for manufacturing chalcopyrite semiconductor thin filmsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 19, 2000·13 cites·6 claims
- 2350US5500056ASolar cell containing low melting point glass layerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Mar 19, 1996·14 cites·11 claims
- 2448US10573766B2Solar cellPANASONIC CORP·Filed 2018·Granted Feb 25, 2020·0 cites·4 claims
- 2546US2004261841A1Solar cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 2645US7855823B2Acoustooptic device and optical imaging apparatus using the samePANASONIC CORP·Filed 2005·Granted Dec 21, 2010·0 cites·20 claims
- 2745US5725671AApparatus for manufacturing chalcopyrite filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Mar 10, 1998·10 cites·7 claims
- 2845US5389572AProcess of making chalcopyrite structure semiconductor filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Feb 14, 1995·9 cites·11 claims
- 2943US5918111AMethod and apparatus for manufacturing chalcopyrite semiconductor thin filmsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jun 29, 1999·9 cites·15 claims
- 3043US2019006540A1Solar cellPANASONIC CORP·Filed 2018·Application pending·0 cites
- 3141US2006261383A1Compound semiconductor film, solar cell, and methods for producing thoseMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 3240US2005056863A1Semiconductor film, method for manufacturing the semiconductor film, solar cell using the semiconductor film and method for manufacturing the solar cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 3340US2006220059A1Solar cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 3439US2013112273A1Solar cellNEGAMI TAKAYUKI·Filed 2011·Application pending·0 cites
- 3538US2005253142A1Solar cell and its manufacturing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 3636US2003041893A1Solar cell, method for manufacturing the same, and apparatus for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Application pending·0 cites
- 3734US5506426ACompound semiconductor, a method for producing a thin film thereof, and a semiconductor device having the thin filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Apr 9, 1996·4 cites·2 claims
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