On August 3, 2021, an article about the start of sales of the patented white LED disinfecting lighting "VioClean®" was published in the Nihon Keizai Shimbun's Kanagawa Prefecture edition and online.

Media name: Nihon Keizai Shimbun (Kanagawa Prefecture edition)
Posting date : August 3, 2021
Paper article title: "Proof of sterilization with white LED"

Media name: Nihon Keizai Shimbun (online)
Posting date: August 2, 2021
Online article title: "White LED sterilization lighting released, non-toxic Macnica without UV rays"
　　　　　　　　　　　　　　https://www.nikkei.com/article/DGXZQOCC024B70S1A800C2000000/