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:
Oct. 30, 2012
Filed:
Apr. 07, 2008
Tsutomu Uesugi, Seto, JP;
Kenji Ito, Nagoya, JP;
Osamu Ishiguro, Nagoya, JP;
Tetsu Kachi, Nissin, JP;
Masahiro Sugimoto, Toyota, JP;
Tsutomu Uesugi, Seto, JP;
Kenji Ito, Nagoya, JP;
Osamu Ishiguro, Nagoya, JP;
Tetsu Kachi, Nissin, JP;
Masahiro Sugimoto, Toyota, JP;
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi-gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
A semiconductor deviceis provided with a first hetero junctionconfigured with two types of nitride semiconductors having different bandgap energy from each other, a second hetero junctionconfigured with two types of nitride semiconductors having different bandgap energy from each other, and a gate electrodefacing the second hetero junction. The second hetero junctionis configured to be electrically connected to the first hetero junction. The first hetero junctionis a c-plane and the second hetero junctionis either an a-plane or an m-plane.