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:
Oct. 20, 2026
Filed:
Aug. 20, 2024
Piact Corp., Tokyo, JP;
Yasushi Takahashi, Tokyo, JP;
Minoru Kuwana, Osaka, JP;
Yasuhiro Okamoto, Osaka, JP;
Takao Kobayashi, Osaka, JP;
Takehiro Kano, Osaka, JP;
Sheng Lu, Shanghai, CN;
PiAct Corp., Tokyo, JP;
Abstract
An optical driving apparatus, including: a fixed member; a driven member that is movable with respect to the fixed member; and a guiding member that restricts the driven member from moving in a predetermined direction with respect to the fixed member, wherein the guiding member has: a first groove in a V-shaped cross-sectional shape, which is formed on any one of the fixed member or the driven member; a first convex portion fitting into the first groove, which is formed on another of the fixed member or the driven member; and a plurality of microspheres interposed in a gap between the first groove and the first convex portion and disposed in a longitudinal direction of the first groove and in a direction perpendicular to the longitudinal direction to generate rolling friction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile