# Nintendo Co Ltd — Patents explained on PatentBrief

Nintendo Co Ltd has 3 landmark patents explained in plain English on PatentBrief.

- [How Nintendo's Wii Remote Tracks Motion and Infrared Light](https://patentbrief.org/patent/us/RE45905/walkman-portable-cassette-player) — granted 2016
  A patent describing the Wii Remote's technology for tracking physical movement and infrared light to control video games wirelessly.
- [How Nintendo's Wii U GamePad Controller Attachment Works](https://patentbrief.org/patent/us/8702514/wii-balance-board) — granted 2014
  A patent describing a modular gaming controller system where a tablet-like screen can be snapped into a larger frame with physical grips and buttons.
- [How the Nintendo D-Pad Works](https://patentbrief.org/patent/us/4687200/nintendo-d-pad-directional) — granted 1987
  A mechanical switch design that allows a user to control directional movement in video games using a single, tilting thumb-operated button.

**Full profile:** https://patentbrief.org/company/nintendo-co-ltd

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