| 1969 Nov. |
Established in Kobe city in 1969 with a capital of Yen 3,000,000 |
| 1971 Oct. |
Introduced diffusion bump |
| 1973 Feb. |
Reloacted Head Office to Himeji city |
| 1977 Dec. |
Completed production line in Haneda-cho, Himeji |
| 1978 Jun. |
Increased the capital by Yen 22,000,000 |
| 1986 Mar. |
Introduced first vacuum sealing equipment |
| 1990 Aug. |
Introduced liquid crystal injection system |
| 1991 Mar. |
Completed Izumo plant for vacuum component manufacturing |
| 1992 May. |
Introduced QMAS system |
| 1992 Dec. |
Introduced anodic bonding system with optical alignment |
| 1993 Nov. |
Began – development with New Industrial Technology Group |
| 1997 Apr. |
Nikkan Newpaper survey showed Ayumi is within best 115 companies in Japan |
| 1997 Jun. |
Introduced second generation of liquid crystal injection system |
| 1998 Feb. |
Nikkan Newspaper survey showed Ayumi is within best 100 companies within western Japan |
| 2001 Mar. |
Received ISO9001 status |
| 2001 Jul. |
Relocate the company to Bessho-cho, Himeji (current location) |
| 2003 Apt. |
Nikkan Newspaper survey showed Ayumi is within best 100 companies in Japan |
| 2004 Jan. |
Received “Monotsukuri” award from Japanese government as a recognition of Ayumi’s contribution to industry by making vacuum equipment with new technologies |
| 2006 Oct. |
Established Ayumi Tokyo office |