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:
Nov. 17, 2009
Filed:
Nov. 28, 2006
Applicant:
Koichi Hagino, Kawanishi, JP;
Inventor:
Koichi Hagino, Kawanishi, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/618 (2006.01);
U.S. Cl.
CPC ...
Abstract
This patent specification describes a switching regulator which includes a step-up/step-down unit configured to generate an output voltage by stepping up or down an input voltage in accordance with a control signal, and a control unit configured to cause the step-up/step-down unit to perform the step-up or step-down operation.
Hagino, Koichi. (2009). Compact voltage step-up/step-down switching regulator (U.S. Patent No. 7619400). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7619400
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile