Sou Hu Cai Jing·2025-12-09 04:04Group 1 - The State Intellectual Property Office of China has granted a patent titled "Channel Estimation Method, Device, Equipment, Medium, and Product" to China Mobile Internet of Things Co., Ltd., Chiprise Technology Co., Ltd., and China Mobile Communications Group Co., Ltd. The patent authorization announcement number is CN119402317B, with an application date of October 2024 [1][2]. Group 2 - China Mobile Internet of Things Co., Ltd. was established in 2012 and is located in Chongqing. The company primarily engages in internet and related services, with a registered capital of 3.5 billion RMB. It has invested in 3 companies, participated in 5,000 bidding projects, holds 553 trademark records, 1,922 patent records, and has 19 administrative licenses [1]. - Chiprise Technology Co., Ltd. was founded in 2020 and is based in Baoding. The company focuses on software and information technology services, with a registered capital of approximately 449.13 million RMB. It has participated in 199 bidding projects, holds 194 trademark records, 85 patent records, and has 12 administrative licenses [1]. - China Mobile Communications Group Co., Ltd. was established in 1999 and is located in Beijing. The company primarily provides telecommunications, broadcasting, television, and satellite transmission services, with a registered capital of 30 billion RMB. It has invested in 55 companies, participated in 5,000 bidding projects, holds 2,219 trademark records, 5,000 patent records, and has 50 administrative licenses [2].