Osamu Ushimaru

Part of Toabo Corp., Toa Boshoku Co., Ltd. is a manufacturer of security equipment such as commercial and professional sound equipment and security equipment such as security and surveillance cameras. The company is based in Osaka, Japan. In addition to their security equipment, they also offer a voice synthesis software that can convert entered characters into audio and easily create an announcement sound source. The software supports four languages\: Japanese, English, Chinese, and Korean, and users can experience the creation and playback of sound sources for free. Toa Co., Ltd. has been supplying their products to more than 120 countries around the world since their founding in 1934.

Part of Oriental Shiraishi Corp., Japan Bridge Corp. (New) is a Japanese company engaged in the production and construction of steel structures such as bridges and architectural steel frames. The company is based in Osaka, Japan. The company's IH (electromagnetic induction heating) device system aims to improve quality and technical skills while contributing to society and the environment. With a 100-year history, the company also offers a high corrosion-resistant steel inspection path called JB-Habis (Herbis).

Part of Toabo Corp., Toabo Material Co., Ltd. is a Japanese company that manufactures and supplies nonwoven textile products. The company is based in Osaka, Japan.