| October 1960 | Founded JPY50 million in capital. |
| June 1961 | Constructed a factory in Asaka-shi, Saitama, and started mass production. |
| May 1970 | Constructed a new factory in Shiki-shi, Saitama, and relocated the entire facilities from Asaka-shi. |
| September 1970 | Established Hitachi sales branch. |
| January 1971 | Increased the capital to JPY75 million . |
| November 1971 | Established Nagoya sales branch |
| April 1973 | Established CROWN FASTENER CO., LTD. in Yamanashi. |
| December 1973 | Increased the capital to JPY120 million . |
| January 1974 | Constructed a new factory in Akita and started mass production for tapping screws. |
| January 1976 | Newly developed, POLY WAVE (Locking screw), became available for sales and received patent approval. |
| July 1976 | Newly developed,DELTITE-3 (Lower driving torque screw), became available for sales and received patent approval. |
| September 1977 | Newly developed,PLAX (Screw for plastics), became available for sales and received patent approval. |
| October 1978 | Newly developed,SHOLDEK (Shoulder screw with zero imcomplete thread) , became available for sales and received patent approval. |
| January 1979 | Newly developed Micro Fastener became available for sales. |
| March 1981 | Newly developed DELTITE-2 became available for sales. |
| June 1984 | Created the mission statement and company flag. Renewed the company emblem. |
| April 1985 | Announced the management philosophy and mission statement. |
| May 1985 | Newly developed LH-DELTITE and LH-PLAX became available for sales and received patent approval. |
| February 1986 | Newly developed,LIP SCREW (Screw for thin plates), became available for sales and received patent approval. |
| March 1987 | Akita factory became financially independent with JPY40 million in capital. |
| September 1987 | Established C.A.G. Co., Ltd with JPY 50 million in capital. |
| March 1991 | Newly developed SUPER PLAX and POLY DELTITE became available for sales. |
| January 1992 | Constructed the multi-level automatic high-rised warehouse in the Head office. |
| March 1992 | Newly constructed CROWN FASTENER CO., Ltd. Introduced internal computer management system. |
| October 1993 | Newly developed RibLok (Stud bolt) became available for sales. |
| November 1994 | Established Crown Fastener (HK) Co., Ltd in Hong Kong |
| October 1995 | Established Dongguan Crown Screw Co., Ltd. in China. |
| November 1999 | Acquired ISO 9001 certification. |
| January 2001 | Established ECF Precision Co., Ltd. in Thailand. |
| July 2004 | Acquired QS9000 certification. |
| July 2006 | Acquired ISO 14001 certification. Established Crown Metal Plating Co., Ltd. |
| June 2012 | CROSSFIRM became available for sales and received patent approval. |
| July 2015 | DELTITE repossessed patent approval. |
| August 2016 | DELTITE received patent approval in Republic of South Africa. |
| March 2018 | DELTITE received patent approval in United States of America. |
| Novenver 2018 | DELTITE received patent approval in Kingdom of Thailand. |
| April 2019 | DELTITE received patent approval in Federal Republic of Germany,French Republic,United Kingdom of Great Britain and Northern Ireland. |
| June 2019 | DELTITE received patent approval in United Mexican States. |
| February 2020 | DELTITE received patent approval in People's Republic of China. |
| June 2020 | DELTITE received patent approval in Socialist Republic of Viet Nam. |
| November 2020 | Akita Factory completed new factory. |
| March 2021 | Merged Akita Factory and Crown Metal Plating Co., Ltd. |
| November 2022 | DELTITE received patent approval in Republic of India. |
| August 2024 | Established Fujimino sales branch. |