| Jul 1950 | Started manufacturing of high-precision molds for plastics at a plant in Tokyo |
| May 1956 | Established Nagatsu Precision Mold Co., Ltd. |
| Sep 1980 | Built the main plant in Kawasaki City, Kanagawa |
| Jan 1991 | Built new plant in Niigata |
| May 1994 | Established Nagatsu (Hong Kong) Ltd. in Hong Kong |
| Dec 2000 | Started operations at Nagatsu Kam On Precision Plastics Ltd. Shen Zhen Plant in Guang Dong, China |
| Apr 2003 | Carried out the development project of nano-level super-precision mold commissioned by METI(in 2003, 2006 and 2009) |
| Feb 2006 | Started automated coating line operation at Nagatsu Kam On Precision Plastics Ltd. |
| Mar 2006 | METI recognized Nagatsu as one of the 300 of Japan's Dynamic Manufacturing SMEs |
| Aug 2006 | Started operations at Nagatsu Trading (Wu Xi) Co., Ltd. and Nagatsu Kam On Precision Optical Parts (Wu Xi) Co., Ltd. in Wu Xi, Jiang Su, China |
| Jun 2007 | Head plant and sales office obtained ISO9001:2000 certification |
| Sep 2010 | Ceremony of the 60th anniversary of the foundation |
| Entrepreneurial SME Grand Prix awarded by the Tokyo Chamber of Commerce and Industry |
| Sep 2013 | Built the nano-level processing room in the head plant. |
| May 2014 | Established Nagatsu Mould (Shen Zhen)Co.,Ltd. |
| Oct 2014 | Established Nagatsu Kam On Precision (Shen Zhen)Co.,Ltd. in Guangdong,China |
| Jun 2017 | Established Nagatsu-Sanpla Precision Mold Phils., Inc. in Santa Rosa, Laguna, Philippines |
| Dec 2017 | METI recognized Nagatsu as "The Driving Company for the regional future" |
| May 2018 | Shenzhen factory moved to Dongguan. Established Nagatsu Kam On Precision (Dongguan) Co.,Ltd. |
| Sep 2022 | Changed company name of local subsidiary in the Philippines to Nagatsu Seisakusho Philippines, Inc. |
