ALEXANDRIA, Va., July 7 -- United States Patent no. 12,675,501, issued on July 7, was assigned to Lemon Inc. (Grand Cayman, Cayman Islands) and Beijing Volcano Engine Technology Co. Ltd. (Beijing).

"Efficient synchronization mechanisms for graph databases" was invented by Cheng Chen (Singapore), Wei Zhang (Beijing), Zhigang Zeng (Beijing), Shijiao Yang (Beijing), Bingyu Zhou (Beijing), Huiming Zhu (Beijing), Chao Chen (Beijing), Yongjun Zhao (Beijing), Yingqian Hu (Beijing), Miaomiao Cheng (Beijing), Meng Li (Beijing), Hongfei Tan (Beijing), Mengjin Liu (Beijing), Hexiang Lin (Beijing), Shuai Zhang (Beijing) and Lei Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Implementations for I/O efficie...