Fujitsu Ten and Toyota Assigned Patent

Fujitsu Ten Ltd., Kobe-shi, Japan, and Toyota Jidosha Kabushi Kaisa, Toyota, Japan, has been assigned a patent (9,792,070) developed by Nakaso, Yoshiaki, Ando, Yuko, Suzuki, Ryoh, Kobe, Japan, Kitaori, Ichiro, and Wada, Ryuichi, Nagoya, Japan, for a “data storage device, method of storing data, and on-vehicle control apparatus.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A memory having a plurality of storage blocks, and a memory control unit, are included, and each of the storage blocks is partitioned into a management data area and an actual data area. The management data area stores therein writing-in-progress management data indicating that writing of actual data has started, validity management data indicating that the writing of the actual data has been completed, and pre-erasure management data indicating that stored actual data have been brought into an erasable state. The memory control unit determines, based on a storage state of the management data, the storage block storing therein the latest data.”

The patent application was filed on December 12, 2013 (14/774,541).