Canon Electron Tubes & Devices Co., Ltd.

Canon Electron Tubes & Devices Co., Ltd. is a Japanese manufacturer founded in 1915 and operating under Canon, Inc. Its headquarters is in Otawara, Tochigi, with representative offices in Tokyo, China, the USA, and Europe. The company introduced Japan's first X-ray tube in 1915 and has since developed components incorporating X-ray tubes for medical, industrial, and scientific applications. It also produces environmentally conscious products to reduce environmental impact; the multi-beam klystron, for example, runs at low operating voltage for extended periods through optimized cathode loading. The company employs 415 people.