# Motokazu Yamada — Patents explained on PatentBrief

Motokazu Yamada has 1 landmark patent explained in plain English on PatentBrief.

- [How Nichia Created the First Practical Blue LED Electrodes](https://patentbrief.org/patent/us/5563422/blue-led-gallium-nitride) — granted 1996
  A foundational patent describing the specific metal contacts needed to make gallium nitride LEDs efficient and commercially viable.

**Full profile:** https://patentbrief.org/inventor/motokazu-yamada

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