| Feb. 1991 |
Established KOA SHOJI CO., LTD. for the purpose of importing and selling generic active pharmaceutical ingredients. |
| Jul. 2002 |
KOA SHOJI Established BIOTECH BAY CO. LTD. |
| Jun. 2011 |
ISEI CO., INC. was affiliated with KOA SHOJI CO., LTD. |
| Jul. 2012 |
KOA PHARMACEUTICAL CO., LTD.(absorbed and merged with KOA BIOTECH BAY) was affiliated with KOA SHOJI CO., LTD. |
| Jan. 2015 |
KOA SHOJI HOLDINGS CO., LTD. incorporated as a result of the share transfer. |
| Jun. 2018 |
KOA SHOJI HOLDINGS CO., LTD. listed on the 2nd Section of the Tokyo Stock Exchange. |
| Jun. 2020 |
KOA SHOJI HOLDINGS CO., LTD. listed on the 1st Section of the Tokyo Stock Exchange. |
| Apr. 2022 |
KOA SHOJI HOLDINGS CO., LTD. listed on the Prime Market of the Tokyo Stock Exchange. |