|May.1959||Established via a sales section spin-off from NHK Spring Co.,Ltd. with 100 million yen in startup capital.|
|July.1989||New head office built at 2-13-1 Edagawa,Koto-ku,Tokyo.|
|March.1991||Marged with Toyo Seiko Co.,Ltd. Capital increased to 1,768.64 million Yen.|
|October.1996||Company name established as NIPPAN.|
|September.1997||Began open stock trading with the Japan Securities dealers Association.Capital increased 2,040.34 million Yen.|
|April.2004||Stock listing switched JASDAQ registered stock to the second section of the Tokyo Stock Exchange.|
|April.2011||Yokohama global office opened.
Some head office sales sections trandferred to the Yokohama global office.
|March.2012||Stocks delisted due to conversion of the company into a wholly owned NHK Spring subsidary.|
|September.2016||Closed the Yokohama Global Office (YGO) at the end of Sept.2016 and consolidated each department strutures to the Head quarter and Yokohama office.|
|May.2017||Head Quarter moved to NBF Comodio Shiodome Bldg 8F, 2-14-1, Higashi-Shinbashi, Minato-ku, Tokyo in May, 2017.|