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. 03, 2026
Filed:
Jan. 31, 2025
Mazda Motor Corporation, Hiroshima, JP;
Satoru Takenaka, Aki-gun, JP;
Kengo Tanaka, Aki-gun, JP;
Ariki Sato, Aki-gun, JP;
Koji Iwase, Aki-gun, JP;
MAZDA MOTOR CORPORATION, Hiroshima, JP;
Abstract
[Solution] A driver state estimation apparatus includes a controller estimating a state of the driver based on travel environment information and the driver's line of sight. When a condition for performing individual learning is satisfied, the controller calculates a mean μand a variance σof a feature value xfor each of a plurality of indicators of search behavior, which is changed according to the driver's state, in a predetermined time based on the travel environment information and the driver's line of sight, standardizes each of the feature values x, each of which is acquired when a condition for estimating the driver's state is satisfied, by the mean μand the variance σcalculated in advance, and uses the standardized feature values xand a preset weight coefficient afor each to calculate a first probability p representing a probability that the driver is in the first state.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile