# Tokyo Shibaura Electric Co Ltd — Patents explained on PatentBrief

Tokyo Shibaura Electric Co Ltd has 1 landmark patent explained in plain English on PatentBrief.

- [How Flash Memory Cells Use an Erase Gate to Clear Data](https://patentbrief.org/patent/us/4531203/nand-flash-memory) — granted 1985
  This 1985 patent describes the foundational structure of flash memory, introducing an 'erase gate' that allows data to be electrically wiped from a memory cell.

**Full profile:** https://patentbrief.org/company/tokyo-shibaura-electric-co-ltd

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._