Kobe Steel had eight patents in robotics during Q1 2024. The patent filed by Kobe Steel Ltd in Q1 2024 describes a spring constant correction device and method for an articulated robot. This device measures the position and attitude of the robot’s distal end, compares it to target values, and corrects the spring constant accordingly. The correction is based on factors such as end point attitude angle, torque, and target attitude, and a program for this method is recorded in a medium. GlobalData’s report on Kobe Steel gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Kobe Steel grant share with robotics as a theme is 50% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Spring constant correction device, method therefor, and recording medium (Patent ID: US20240083024A1)

The patent filed by Kobe Steel Ltd. describes a spring constant correction device and method for an articulated robot. This device measures the position and attitude of the robot's distal end, compares these values with target values, and corrects the spring constant based on the comparison results. The correction is done at a predetermined position using factors such as the angle and torque of the distal end in different attitudes. The method involves a measuring step, a comparing step, and a correcting step based on at least three specific factors related to the robot's position and attitude.

Furthermore, the patent includes claims for a spring constant correction device that utilizes a speed reducer as a spring element in the articulated robot. The device corrects the spring constant based on measurements of the robot's position and attitude, comparing them with target values. The correction is done at a predetermined position, considering factors like the angle and torque of the distal end in different attitudes. The patent also covers a recording medium that stores a program for this spring constant correction method, which can be executed by a computer to improve the performance of articulated robots by ensuring accurate positioning and attitude control.

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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.