Group 1 - The State Intellectual Property Office of China has granted a patent titled "Fine-tuning Method and Device for Point Cloud Classification" to Hangzhou Biran Technology Development Co., Ltd. and Shanghai Biran Technology Co., Ltd., with the announcement number CN116778133B and application date of June 2023 [1] - Hangzhou Biran Technology Development Co., Ltd. was established in 2021, located in Hangzhou, and primarily engages in technology promotion and application services, with a registered capital of 50 million RMB. The company has a total of 4 patents [1] - Shanghai Biran Technology Co., Ltd. was founded in 2019, based in Shanghai, and focuses on software and information technology services, with a registered capital of approximately 42.23 million RMB. The company has invested in 10 enterprises, holds 135 trademarks, and has 1,495 patents, along with 4 administrative licenses [1]