History
| 1900 | Established Rising Sun Oil Company (Began transportation of petroleum products by Uyeno Group) |
| 1948 | Changed company name from Rising Sun Oil Company to Shell Oil Company |
| 1963 | Established Shell Kagaku Seihin Hanbai |
| 1964 | Established Nippon Teepol |
| 1967 | Established Shell Kagaku |
| 1968 | Changed company name from Shell Kagaku Seihin Hanbai to Shell Kosan |
| 1970 | Opened Kakegawa Plant |
| 1979 | Established Yuka Shell Epoxy |
| 1983 | Opened Himeji Chemical Terminal |
| 1985 | Merged Shell Oil Company and Showa Oil to form Showa Shell Sekiyu |
| 1987 | Established Shell JSR Elastomers Opened Yokohama Chemical Terminal |
| 1991 | Opened Tsukuba Laboratory |
| 1992 | Merged Shell Kosan and Shell Kagaku etc. to form Shell Japan |
| 1995 | Opened Kashima EPS Plant |
| 1996 | Office relocation to Daiba Frontier Building |
| 1999 | Established Japan Chemtech, which is 70 percent owned by Uyeno Group and 30 percent owned by Shell Japan |
| 2001 | Changed company name from Shell Japan to Shell Chemicals Japan accompanying business integration with Shoseki Kasei, which is chemical products sales company of Showa Shell Sekiyu |
| 2018 | Changed company name to Oxalis Chemicals depending on takeover its entire shares by Uyeno Group |
| 2019 | Merged Oxalis Chemicals and Japan Chemtech to form new “Oxalis Chemicals” |
| 2020 | Office relocation to Kasumigaseki Building |