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:
Mar. 31, 2026
Filed:
Nov. 30, 2023
Furuno Electric Co., Ltd., Nishinomiya, JP;
Seiichi Uoshita, Nishinomiya, JP;
FURUNO ELECTRIC CO., LTD., Nishinomiya, JP;
Abstract
A navigation planning system of the present invention comprises a processing circuitry configured to acquire planned route information indicating a movable body on the water; acquire movable body information including a position, a moving direction, and a speed of the movable body; acquire obstacle information including each of a position, a moving direction, and a speed of a plurality of obstacles located in the surrounding area of the movable body; calculate a collision risk indicating a risk level of collision between the movable body and the obstacle based on the movable body information and the obstacle information; calculate congestion risk indicating a degree of approaching a plurality of obstacles simultaneously based on each of the collision risk between the movable body and the obstacle; and determine the necessity of evasion by comparing the congestion risk with a threshold value.