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. 10, 2007
Filed:
Mar. 01, 2004
Applicants:
Yoshinori Asai, Tokyo, JP;
Mitsuyoshi Wada, Tokyo, JP;
Hidehiko Tanaka, Aichi, JP;
Takashi Yuzawa, Tokyo, JP;
Inventors:
Yoshinori Asai, Tokyo, JP;
Mitsuyoshi Wada, Tokyo, JP;
Hidehiko Tanaka, Aichi, JP;
Takashi Yuzawa, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23H 7/20 (2006.01); B23H 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electric-discharge machining apparatus for machining a workpiece by an electric discharge generated between a machining electrode and the workpiece, includes a correcting unit that corrects a machining amount input for machining the workpiece, based on a usage history of the machining electrode; and a control unit that controls a machining processing on the workpiece based on the machining amount corrected.