 |
 |
| 1946 |
Production of turpene,rosin and pinetar was started |
| 1949 |
Turpentine oil refining plant constructed in Mesaki-cho,Fuchu-city |
| 1959 |
Yasuhara Yushi Kogyo Co., Ltd. established |
| 1961 |
Takagi Plant established |
| 1962 |
Tokyo Sales Office opened |
| 1966 |
Hot melt type adhesive "HIRODINE" put into production |
| 1969 |
Osaka Sales Office opened |
| 1973 |
Research & Development facility completed
|
| 1977 |
Turpentine oil processing plant constructed |
| 1981 |
Niihama plant constructed |
| 1988 |
Niihama plant increased production capacity
(Continual hydrogenation device, continual distillation plant) |
| |
Sendai plant constructed |
| |
Laminate products put into production |
| 1989 |
Company name changed to YASUHARA CHEMICAL Co., Ltd. |
| 1992 |
Niihama plant increased production device(Terpene resin production device) |
| 1995 |
Company stocks listed in the Hiroshima Stock Exchange in February |
| 1996 |
Company stocks listed in the secondary market of the Osaka Stock Exchange in February |
| 1997 |
Merger with HIRODINE KOGYO Co., Ltd. in April |
| 1999 |
Ukai plant constructed |
| |
Nihama plant acquired ISO9002 certification |
| 2000 |
Company stocks listed in the secondary market of the Tokyo Stock Exchange in March |
| |
Takagi plant acquired ISO9002 certification |
| |
Ukai plant acquired ISO9002 certification |
| 2001 |
Niihama plant increased production capacity
(Terpene phenolic resin production device) |
| |
Nihama plant acquired ISO14001 certification |
2003
|
Soryo plant acquired ISO9001(2000) certification |
| 2004 |
Acquired new factory site in Fukuyama-city, Hiroshima |
| 2005 |
Acquired HIRODINE Corp. |
| 2006 |
Fukuyama plant opened |