https://patentbrief.org/company/toshiba-corp Plain-English explanations of patents assigned to Toshiba Corp, newest first. en-us Sun, 12 Jul 2026 11:11:12 GMT https://patentbrief.org/patent/us/5903495/semiconductor-device-and-memory-system Toshiba's 1999 patent describes a method for storing multiple bits of data in a single memory cell by precisely controlling voltage levels during programming. Tue, 11 May 1999 00:00:00 GMT https://patentbrief.org/patent/us/5903495/semiconductor-device-and-memory-system