# Tetsuya Hayashi — Patents explained on PatentBrief

Tetsuya Hayashi has 1 landmark patent explained in plain English on PatentBrief.

- [How a Multi-Core Optical Fiber Reduces Signal Interference](https://patentbrief.org/patent/us/11480727/multi-core-optical-fiber) — granted 2022
  This patent describes a multi-core optical fiber designed for short-distance data transmission, featuring a specific linear arrangement of at least four cores with alternating designs to minimize signal leakage between them.

**Full profile:** https://patentbrief.org/inventor/tetsuya-hayashi

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