Subsidiaries in North America include Rigaku Americas Corporation (The Woodlands, Texas, United States), Applied Rigaku Technologies (Austin, Texas, USA) and Rigaku Innovative Technologies (Auburn Hills, Michigan, United States).

European branches are located in Neu-Isenburg near Frankfurt, Germany, Prague, Czech Republic and Poland [Wrocław].

Rigaku manufactures and supplies scientific instrumentation to academia, industry and trade.

1952 The core innovation of the company was the introduction of the world's first commercially available rotating anode X-ray generator.

[3] Today, the company is led by Mr. Jun Kawakami (President & CEO).