Intellectual Discovery Assigned Patent

Intellectual Discovery Co., Ltd., Seoul, Korea, has been assigned a patent (9,177,643) developed by Kim, Deok Kee, Seoul, Korea, for a “phase-change memory device and method for multi-level programming of phase-change memory device.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method for multi-level programming of a phase change memory device includes selecting a word line from multiple word lines and applying multiple bits of data to a bit line of a cell connected to the selected word line. According to the type of data, the method applies a program current to the selected word line or a multi-level program current to word lines adjacent to the selected word line.“

The patent application was filed on March 25, 2014 (14/225,203).