Kubota‘s patent describes a work vehicle featuring a controller that manages the traveling apparatus based on manual steering input and vehicle speed. It includes a notification system to alert users when adjustments to speed or steering angle are necessary, enhancing safety during turning maneuvers. GlobalData’s report on Kubota gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Kubota, Autonomous harvesters was a key innovation area identified from patents. Kubota's grant share as of July 2024 was 36%. Grant share is based on the ratio of number of grants to total number of patents.
Work vehicle with speed and steering angle control system
The granted patent US12071124B2 describes a work vehicle designed to enhance safety and control during operation. The vehicle features a body, a traveling apparatus capable of turning, and a speed detector to monitor vehicle speed. It includes a manually operable steering tool, a notification apparatus, and an angular velocity detector to assess the vehicle's angular velocity. A controller is central to the vehicle's operation, managing a travel control module that responds to manual steering inputs. The controller also includes a determination module that evaluates the relationship between vehicle speed and steering angle to ascertain if adjustments are necessary. If the determination module identifies that either the vehicle speed or steering angle should be reduced, it activates the notification apparatus to alert the operator and adjusts the vehicle's speed accordingly.
Further specifications of the patent detail the capabilities of the angular velocity detector, which can measure various angular velocities, including roll, yaw, and pitch angles. The traveling apparatus consists of front and rear wheel pairs, and the controller can calculate roll characteristics based on the stiffness of these wheels. Additionally, a height-of-gravitational-center calculator is included to determine the vehicle's stability during turning maneuvers. The patent also describes a steering motor that applies torque to the steering tool, enabling the controller to prevent steering in a direction opposite to the intended path when a reduction in speed or steering angle is warranted. This comprehensive system aims to improve the vehicle's handling and safety during operation, particularly in challenging conditions.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
