1957	NISSIN ELECTRIC CO.,LTD. started R & D work of Electron Beam Processing System (EPS).
1962	Completed installation of the 1st EPS(2MV 3mA).
1969	Completed development of self-shielded EPS(300kV 30mA).
1970	Established NHV(J.V. between NISSIN ELECTRIC CO.,LTD. and HIGH VOLTAGE ENGINEERING CORPORATION, U.S.A.).
1971	Completed installation of NHV's 1st EPS.
1983	Became a wholly-owned subsidiary of NISSIN ELECTRIC CO.,LTD..
1988	Established NHV America Inc..
1989	Completed development of one of the world’s largest EPS (5MV 30mA) .
1999	Established NISSIN ELECTRON SERVICE CO.,LTD. (NESCO) to enter into irradiation servicing business.
2003	Established NHV Corporation.
2004	Establishment of NHVC Shanghai office.
2005	Established NHV Corporation Shanghai.
2008	Established the Kyushu E.B. Center.
2009	Acquired whole shares of NISSIN PULSE ELECTRONICS CO., LTD.
2010	Transferred Energy & Environment Equipment Business to NISSIN PULSE ELECTRONICS CO.,LTD.
2011	Established NHV Accelerator Technologies Shanghai