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, 2026
Filed:
Dec. 18, 2020
Hitachi Astemo, Ltd., Ibaraki, JP;
Hitachi Astemo Ueda, Ltd., Nagano, JP;
Koji Usui, Ibaraki, JP;
Sandip Purane, Ibaraki, JP;
Hiromu Narukawa, Ibaraki, JP;
Takeshi Sakaguchi, Nagano, JP;
Masato Uno, Nagano, JP;
HITACHI ASTEMO, LTD., Ibaraki, JP;
Abstract
An electric parking brake device is associated with a service brake configured to generate a brake force in accordance with an operation input of a vehicle user, and configured to enable a parking brake configured to generate a brake force with a function of an electric actuator having operation controlled by a control unit. The control unit is configured to: (i) start to count in response to an end of detection of the service brake by a service brake detector; and (ii) stop operation of the control unit itself after an elapse of a first predetermined time from the start of the count.