Japan's high tech venture Kaltech announces tghe new desinfectant deodorizer series
December 2, 2021, Tokyo, Japan - Japan's high tech venture Kaltech displays the new disinfectant deodorizer "Spot Air" which decomposes viruses including new coronavirus using the company's photocatalytic technology in Tokyo on Thursday, December 2, 2021. Kaltech, Riken and Nihon Univedrsity School of Medicine confirmed an infectivity suppression effect against airborne new coronavirus using Kaltech's disinfectant deodorizers. (Photo by Yoshio Tsunoda/AFLO)