OSAKA, Japan–(BUSINESS WIRE)–STI-IR Co., Ltd. (Head Office: Higashiosaka, Osaka; Representative Director: Masaki Higuchi), a manufacturer specializing in 360-degree bristle toothbrushes, will exhibit at the 30th LIFESTYLE Week TOKYO [Autumn], taking place at Tokyo Big Sight from October 7 to 9, 2026. At Booth S5-32, STI-IR will showcase its flagship product, “POPOTAN,” a toothbrush featuring bristles arranged around the entire circumference of the brush head. The company will introduce the pr