P

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 patents
US6107562AAug 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 patents

MATSUHITA ELECTRIC CO LTD

1 patent