# Ricoh Co Ltd — Patents explained on PatentBrief

Ricoh Co Ltd has 1 landmark patent explained in plain English on PatentBrief.

- [How Printers Save Toner by Dropping Light-Colored Pixels](https://patentbrief.org/patent/us/6476836/image-forming-apparatus-having-a-function-of-saving-developing-agent) — granted 2002
  A Ricoh patent for printers that save toner by completely ignoring very light pixels and using a special dot pattern for darker ones.

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

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