An article about OPTON products in Nikkan Kogyo Shimbun newspaper on July 31, 2007

Visit a publicized news dated July 31, 2007 introducing Opton business and its outstanding position
highlighted in the glorious awards of 「 Japan Top 10 Outstanding Inventions in 1977」that was
sponsored by the prestigious industrial media of Nikkan Kogyo Shinbun Co., or Japan Daily Industrial
Newspaper Co.