Inventor
NEGAMI TAKAYUKI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “NEGAMI TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
17 patentsUS6107562AAug 22, 2000
Semiconductor thin film, method for manufacturing the same, and solar cell using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD199 citations99
US5445847AAug 29, 1995
Method for preparing chalcopyrite-type compound
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD158 citations99
US6259016B1Jul 10, 2001
Solar cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD89 citations98
US5728231AMar 17, 1998
Precursor for semiconductor thin films and method for producing semiconductor thin films
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD121 citations98
US6534704B2Mar 18, 2003
Solar cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD56 citations96
US5633033AMay 27, 1997
Method for manufacturing chalcopyrite film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD65 citations96
US6441301B1Aug 27, 2002
Solar cell and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92
US6023020AFeb 8, 2000
Solar cell and method for manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD45 citations92
US5474622ADec 12, 1995
Solar cell having chalcopyrite semiconductor film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations81
US5422304AJun 6, 1995
Method for producing a thin film, and a semiconductor device having the thin film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations81
US6162296ADec 19, 2000
Method and apparatus for manufacturing chalcopyrite semiconductor thin films
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations74
US5918111AJun 29, 1999
Method and apparatus for manufacturing chalcopyrite semiconductor thin films
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US5725671AMar 10, 1998
Apparatus for manufacturing chalcopyrite film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US5389572AFeb 14, 1995
Process of making chalcopyrite structure semiconductor film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US5500056AMar 19, 1996
Solar cell containing low melting point glass layer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations72
US5506426AApr 9, 1996
Compound semiconductor, a method for producing a thin film thereof, and a semiconductor device having the thin film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62
US7071496B2Jul 4, 2006
Electronic device and method for manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations61
PANASONIC CORP
5 patentsUS7479596B2Jan 20, 2009
Solar cell and method for manufacturing the same
PANASONIC CORP7 citations74
US10236401B2Mar 19, 2019
Solar cell module and method of producing the same
PANASONIC CORP2 citations73
US10483411B2Nov 19, 2019
Solar cell and solar cell module
PANASONIC CORP1 citations62
US7855823B2Dec 21, 2010
Acoustooptic device and optical imaging apparatus using the same
PANASONIC CORP0 citations51
US10573766B2Feb 25, 2020
Solar cell
PANASONIC CORP0 citations40