Nihon Koshuha Co., Ltd, established in 1932, has pursued and
developed technologies in the field of the electromagnetic
Our main products include Coaxial equipment for broadcast
transmitters, Coaxial components, Waveguide components,
High-vacuum micro-wave components, High-frequency power
source for semiconductor manufacturing, Plasma-applied
equipment, Laser-associated equipment, and others.
In these fields, Nihon Koshuha is one of the prominent
manufacturers in Japan.
We have a total manufacturing system including development,
design, manufacturing and testing.
We have also participated collaborated projects with
research institutions, universities, and other corporations.