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:
Aug. 22, 2023
Filed:
May. 20, 2019
Kazuhito Kishi, Tokyo, JP;
Masami Takai, Tokyo, JP;
Motokazu Hasegawa, Tokyo, JP;
Masataka Akaishi, Tokyo, JP;
Public University Corporation Yokohama City University, Kanagawa, JP;
Kazuhito Kishi, Kanagawa, JP;
Masami Takai, Tokyo, JP;
Motokazu Hasegawa, Kanagawa, JP;
Masataka Akaishi, Kanagawa, JP;
Masanari Umemura, Kanagawa, JP;
Yoshihiro Ishikawa, Kanagawa, JP;
Taisuke Akimoto, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
PUBLIC UNIVERSITY CORPORATION YOKOHAMA CITY UNIVERSITY, Kanagawa, JP;
Abstract
A power supply apparatus includes a power supply configured to apply an alternating current to a magnetic field generation apparatus; and a controller configured to control the alternating current applied by the power supply. The controller controls the power supply to apply the alternating current having a waveform pattern including a plurality of current waveforms having different frequency spectrums from each other.