Group 1 - The State Intellectual Property Office of China has granted a patent titled "A Method and Device for Expanding and Updating Knowledge Graphs" to four companies: Shanghai Shengteng Data Technology Co., Ltd., Shanghai Hehe Information Technology Co., Ltd., Shanghai Linguan Data Technology Co., Ltd., and Shanghai Yingwu Data Technology Co., Ltd. The patent authorization announcement number is CN114036173B, with an application date of November 2021 [1][2]. Group 2 - Shanghai Shengteng Data Technology Co., Ltd. was established in 2017, located in Shanghai, and primarily engages in professional technical services. The company has a registered capital of 300 million RMB. It has invested in one company, participated in 430 bidding projects, and holds 316 trademark records and 128 patent records, along with one administrative license [1]. - Shanghai Hehe Information Technology Co., Ltd. was founded in 2006, also located in Shanghai, focusing on software and information technology services. The company has a registered capital of 140 million RMB. It has invested in 16 companies, participated in 272 bidding projects, and has 216 trademark records and 297 patent records, in addition to seven administrative licenses [1]. - Shanghai Linguan Data Technology Co., Ltd. was established in 2017, located in Shanghai, and primarily operates in software and information technology services. The company has a registered capital of 350 million RMB. It has invested in two companies, participated in eight bidding projects, and holds 19 trademark records and 133 patent records, along with two administrative licenses [2]. - Shanghai Yingwu Data Technology Co., Ltd. was founded in 2018, located in Shanghai, and focuses on software and information technology services. The company has a registered capital of 1.5 million RMB. It holds 10 trademark records and 126 patent records [2].
合合信息取得知识图谱扩展更新方法及装置专利