Company History

1915	Developed the first X-ray tube to be produced in Japan.
1919	Completed a ppriotron, the first transmitting tube to be produced in Japan.
1930	Successful domestic production of thyratrons.
1944	Developed "Sora", a multi transmitting tube.
1954	Developed an X-ray image intensifier.
1961	Developed a high-power klystron for UHF television.
1972	Commenced delivery of in-core monitors.
1978	Cumulative production of rotating anode X-ray tubes reaches 100,000.
1979	Developed the high-voltage switching tube E3030.
1981	Commercial production of 12" image intensifiers with an aluminum input window (high contrast).
1982	Developed the large nuclear fission-counter tube KSA-51.
1983	Commercial production of 1.5 MHU/graphite target CT tubes.
1984	Developed a gyrotron (28GHz, 200kW) for the Plasma Research Center, University of Tsukuba. Cumulative production of in-core monitors reaches 1000.
1986	Developed the E3786 (500MHz, CW1.2MW), the world's largest output linear beam klystron. Commercial production of 800 kHU rotating anode X-ray tubes for circulators equipped with a heat exchanger. Developed a high DQE super metal image intensifier.
1987	Developed the TWT E3838 (9GHz, 25kW) for the Japan Defense Agency. Moved from the Toshiba Horikawa-cho plant to the Nasu Electron Tube plant.
1990	Commercial production of E6858 proportional counter tubes. Commercial production of 1.8 MHU triple-focus rotating anode X-ray tubes for cardiac tubes (DRX-T7345HD-H). Completed the high-Gx high-contrast advanced super metal image intensifier (H-series).
1991	Completely discontinued use of Freon and Trichloroethane. Cumulative production of rotating anode X-ray tubes reaches 200,000.
1992	Commenced delivery of wide range monitors. Developed an X-ray-compatible 4" image intensifier for industrial applications.
1993	Became the first Japanese electron tube plant to obtain ISO9001 certification. Commercial production of a 1.5 MHU rotating anode X-ray tube for cardiac diagnosis (DRX-7234HD-H). Commercial production of a CCD camera- equipped 9" imaging system for the Chinese market.
1994	Achieved the world's highest efficiency (50%) in the E3972 gyrotron for the Japan Atomic Energy Research Institute. Developed a 4 MHU CT tube with a hydrodynamic pressure bearing (CSRX-7713D-H)
1995	Commercial production of 3kW fluorescent analyzer tubes with an ultra-thin (30µm) Be window (AFX-77L-Rh). Commercial production of high-DQE high-contrast J-series image intensifiers.
1996	Obtained CE Mark certification for compliance with the European Medical Devices Directive, BS7750 and ISO14001.
1998	Commercial production of rotating anode X-ray tubes for grid control circulators (DRX-T7445GDS). Commenced commercial production of the SD series of image intensifiers with high MTF and high image uniformity.
1999	Developed a 600W copper vapor laser and 500W dye laser.
2000	Developed an X-band PPM klystron for SLAC and a C-band PPM klystron for the High Energy Accelerator Research Organization.
2001	Developed a copper vapor laser-induced dye laser system for the Laser Atomic Separation Engineering Research Association of Japan. Commercial production of LM cardiac tubes. Cumulative production of dental tubes reaches 500,000 and that of LMCT tubes reaches 1000.
2002	Cumulative production of in-core monitors reaches 3000. Developed a 324MHz long pulse klystron E3740A for the Japan Proton Accelerator Research Complex (J-PARC).
2003	Split from Toshiba Corporation and established as Toshiba Electron Tubes & Devices Co., Ltd.
2004	Established Toshiba Electron Devices and Materials (Shanghai) Co., Ltd. in China.
2006	First in the world to achieve the performance required of next generation accelerators in a 1.3GHz multibeam klystron for Deutsches Elektronen-Synchrotron (DESY). Commercial production of position sensitive detectors (PSD) for neutron scattering instruments.
2007	Commercial production of anode grounded X-ray tube assemblies for high speed CT scanners. 1MW-800s operation of the 170GHz Gyrotron E3993B achieved at the Japan Atomic Energy Agency.
2008	Developed digital X-ray sensor with CsI and CMOS technology. Developed the world’s first nano focus soft X-ray tube with a closed structure and thermal field emitter.