| July 1967 | Sawa Shoji Co., Ltd. is established. (Kameari hall and Kanamachi hall open.) |
|---|---|
| November 1987 | The company name changes to DYNAM Co., Ltd. |
| April 1989 | DYNAM recruits the first new graduates. |
| November 1989 | Shibata hall, the first suburban hall, opens (in Niigata Prefecture). |
| October 1993 | DYNAM becomes a member of the Pegasus Club, a chain store research organization. |
| August 1994 | Ebetsu hall, the first standardized low-cost wooden hall, opens (in Hokkaido). |
| December 1996 | DYNAM opens its first regional office in Hokkaido. |
| July 1997 | DYNAM holds its first investor meeting. |
| September 1997 | DYNAM establishes Meishijuku, an internal training center (in Tokyo and Hokkaido). |
| December 1997 | DYNAM acquires investment-grade rating, a first for the pachinko industry. |
| April 1998 | DYNAM establishes a DYNAM Union, the first labor union in the pachinko industry. |
| March 2001 | DYNAM establishes a Tenrei 301 Izukogen Recreation Center, a recreation and training center in Izukogen. |
| May 2001 | The head office building is completed. |
| August 2001 | Takaoka hall, the hundredth hall, opens (in Toyama Prefecture). |
| June 2004 | Yamaguchi Onoda hall, the two hundredth hall, opens (in Yamaguchi Prefecture). |
| August 2004 | DYNAM establishes a Marine Pier Toyoura DYNAM Training Center, a large training facility in western Japan (in Yamaguchi Prefecture). |
| December 2006 | Ebetsu hall (operating low priced balls with a pachinko ball of 2 yen and a slot of 10 yen) opens. |
| December 2006 | DYNAM Holdings Co., Ltd is established. |
| May 2007 | DYNAM Yuttari Kan, a one yen pachinko hall, starts its full operations. |
| June 2008 | The number of DYNAM Yuttari Kan exceeds 100 halls. DYNAM announces the concept of Shinrai no Mori. |
| March 2009 | Akita Takanosu hall, the first Shinrai no Mori hall and the three hundredth DYNAM hall, opens (in Akita Prefecture). |
| September 2011 | DYNAM JAPAN HOLDINGS Co., Ltd. is established, as a result of an incorporation-type demerger from DYNAM Holdings Co., Ltd. |
| August 2012 | DYNAM JAPAN HOLDINGS Co., Ltd. becomes the first pachinko hall operator to be listed on the Main Board of the Hong Kong Stock Exchange. |
