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:
Sep. 01, 1998
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Mutsuhiro Mori, Hitachi, JP;
Ryuichi Saito, Hitachi, JP;
Shin Kimura, Hitachi, JP;
Kiyoshi Nakata, Ibaraki-ken, JP;
Syuuji Saitoo, Katsuta, JP;
Akira Horie, Katsuta, JP;
Yoshihiko Koike, Hitachi, JP;
Shigeki Sekine, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363132 ; 363 43 ;
Abstract
An inverter device includes plural modules, each module being formed by a series circuit having a parallel circuit of a first switching device and a first diode, and a parallel circuit of a second switching device and a second diode, allowing a reduced size, high reliability, high frequency switching and low noise.