https://patentbrief.org/company/ricoh-co-ltd Plain-English explanations of patents assigned to Ricoh Co Ltd, newest first. en-us Sun, 12 Jul 2026 11:10:51 GMT https://patentbrief.org/patent/us/6476836/image-forming-apparatus-having-a-function-of-saving-developing-agent A Ricoh patent for printers that save toner by completely ignoring very light pixels and using a special dot pattern for darker ones. Tue, 05 Nov 2002 00:00:00 GMT https://patentbrief.org/patent/us/6476836/image-forming-apparatus-having-a-function-of-saving-developing-agent