http://www.tamura-ss.co.jp/en/index.html

Tamura Corporation was founded in 1924 as Tamura Radio Store and is one of Japan’s oldest electronics companies. Beginning with the introduction in 1935 of an in-house developed high-quality radio receiver transformer, Tamura has developed a stream of products, including a wide variety of transformer-related products, electronic chemicals, reflow soldering systems, LED lights, broadcast audio mixing consoles, and wireless microphones.