The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 2009
Filed:
Dec. 06, 2005
Makoto Kitabatake, Nara, JP;
Kazuhiko Asada, Osaka, JP;
Hidekazu Yamashita, Osaka, JP;
Nobuyoshi Nagagata, Kyoto, JP;
Kazuhiro Nobori, Osaka, JP;
Hideki Omori, Hyogo, JP;
Masanori Ogawa, Shiga, JP;
Makoto Kitabatake, Nara, JP;
Kazuhiko Asada, Osaka, JP;
Hidekazu Yamashita, Osaka, JP;
Nobuyoshi Nagagata, Kyoto, JP;
Kazuhiro Nobori, Osaka, JP;
Hideki Omori, Hyogo, JP;
Masanori Ogawa, Shiga, JP;
Panasonic Corporation, Osaka, JP;
Abstract
At least two switching devices each including a substrate formed of a wide bandgap semiconductor, source and gate electrodes formed in a principal surface side of the substrate, and a drain electrode formed on the back surface of the substrate are stacked so that respective upper surface sides of the switching face each other.