Group 1 - The core viewpoint of the news is that Suzhou Guangge Technology Co., Ltd. has applied for a patent for a method and device to determine stair geometric information, aimed at improving the accuracy of stair step recognition [1] - The patent application was published under the number CN120451939A and was filed on April 2025 [1] - The method involves extracting features from visible light images and depth images, fusing these features to determine the geometric information of stair steps [1] Group 2 - Suzhou Guangge Technology Co., Ltd. was established in 2010 and is located in Suzhou, primarily engaged in the manufacturing of computers, communications, and other electronic devices [2] - The company has a registered capital of 66 million RMB and has made investments in 5 other enterprises [2] - The company has participated in 769 bidding projects and holds 264 patent information records, along with 8 trademark information records and 18 administrative licenses [2]