Yamaha Motor had 14 patents in robotics during Q4 2023. Yamaha Motor Co Ltd has developed a device and method for a robot hand to seek a workpiece holding form by generating different holding forms based on the workpiece’s mounted state, holding the workpiece, executing movements, and evaluating the holding form with an evaluation score. GlobalData’s report on Yamaha Motor gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Yamaha Motor grant share with robotics as a theme is 7% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Device for seeking workpiece holding form for robot hand and method therefor (Patent ID: US20230364785A1)
The patent by Yamaha Motor Co Ltd describes a device and method for seeking a workpiece holding form for a robot hand. The device includes processing circuitry that generates different holding forms based on the mounted state of the workpiece, holds the workpiece with the robot hand in the generated form, executes a movement, and evaluates the holding form. The device repeats this process a predetermined number of times to optimize the holding form. Additionally, the device can incorporate machine learning processes, orientation detection, and input for predetermined movements to enhance the holding form seeking process.
Furthermore, the device allows for the determination of evaluation scores based on feature points and weights, with an average evaluation score calculated for each feature point. The machine learning process can involve reinforcement learning of Q-learning, with a lower learning rate during operation after initial learning. The device also includes a result information storage unit to store generated holding forms, movements, and evaluation scores for further learning and optimization. Overall, the device and method aim to efficiently find a suitable workpiece holding form for a robot hand by iteratively generating, evaluating, and learning from different holding forms.
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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.
