| 1946 |
 |
"Seishiro-Tomosada Store" is establised in Ono City, Hyogo, Japan. Treated tools for a plasterer, carpenter, and other construction foelds. |
| 1956 |
|
Osaka Office opens. |
| 1958 |
|
Starts manufacturing and selling the machine and tools for construction feilds. Winches, Mixers, Mortar Pumps .... |
| 1963 |
|
Hirano Factory opens in Hirano-Ku, Osaka, Japan. Repairing machines. |
| 1965 |
|
Tomosada Kenki MFG., Co., Ltd. is established. |
| 1966 |
|
Head Office is newly built in Higashi Nari-Ku, Osaka, Japan. |
| 1971 |
|
The Primary Takaida Factory opens. Assembling and Manufacturing. |
| 1973 |
|
TokyoBranch Office opens in Shibuya-Ku, Tokyo, Japan. |
| 1984 |
|
Tokyo Branch Office is newly built in Itabashi-Ku, Tokyo, Japan. Export and Import Business Department starts in Osaka Head Office. |
| 1986 |
|
The Secondary Takaida Factory opens. |
| 1987 |
|
Kyushu Branch Office opens in Kasuga City, Fukuoka, Japan. |
| 1989 |
|
Osaka Head Warehouse is newly built and opens. |
| 1990 |
|
Kyushu Branch Office is newly built in Dazaifu City, Fukuoka, Japan. |
| 1991 |
|
Osaka Head Office is newly built and moves to Takaida, Higashi-Osaka City, Osaka, Japan. The Primary and Secondary Takaida Factories are united and named Takaida Factory. |
