US Patent Issued to DENSO on Nov. 25 for "Data storage device, mobile object, and storage medium storing data deletion program" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,433, issued on Nov. 25, was assigned to DENSO Corp. (Kariya, Japan).

"Data storage device, mobile object, and storage medium storing data deletion program" was invented by Xin Xu (Kariya, Japan) and Hayato Sakamoto (Kariya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An in-vehicle ECU deletes part of data in a blockchain, when the data stored in the blockchain accumulates to have a bigger data size. Then, the in-vehicle ECU, upon having the part of data deleted from the blockchain, acquires a lowest block number in the blockchain, and stores and updates the number in a secure world. Therefore, while the stored lowest block number is updated...