- 1977: Start business as “Okuyama Factory” in Yokohama. Address is 2008-1 Komaoka-cho Tsurumi word Yokohama.
- 1980: Move office to Shinyoshida Kouhoku word Yokohama.
- 1981: Established Okuyama Factory Ltd. 3 million yen capital at above address Established Motor sports brand “Dash” Full scale involvement in motor sports sector.
- 1987: Dissolve Okuyama Factory ltd. Established “Okuyama Co., Ltd”. in current location 4539 Ikebe-cho Tsuzuki word Yokohama.
- 1993: Established Street Parts land “Carbing”.
- 1994: Build Yamagata factory Address 356-1 YANAGIHOUSHI,NANNYOU City, YAMAGATA Prefecture,Japan.
- 2003: Made distributor agreement with Top Racing of Hong Kong.
- 2004: Made distributor agreement with Garage R of Singapore Exhibit booth at “Tokyo Auto Salon 2004 with NAPAC” in Makuhari Messe Compete in “Rally Japan 2004 (Driver yosihiko takarada Co-Driver Akihiko Takahashi).
- 2005: Made distributor agreement with ATP motor sports of Thailand Launch Compact Car only brand “DRASTIC1” Exhibit booth at “Tokyo Auto Salon 2005 with NAPAC” in Makuhari Messe Compete in “Rally Japan 2005 (Driver : Eiichi Iwashita Co-Driver Akihiko Takahashi) Made distributor agreement with Tein USA for north American market.
- 2006: Exhibit booth at “Tokyo Auto Salon 2006 with NAPAC” in Makuhari Messe and received class winner in “Rally Japan 2008 (Driver : Eiichi Iwashita Co-Driver Akihiko Takahashi).
- 2010: Titanium is added to the lineup in the strut tower bar.
- 2014: Exhibit booth at “Tokyo Auto Salon 2014 with NAPAC” in Makuhari.
- 2015: Exhibit booth at “Tokyo Auto Salon 2015 with NAPAC” in Makuhari.
- 2016: Exhibit booth at “Tokyo Auto Salon 2016 with NAPAC” in Makuhari.