| Mar. 2000 |
Establishment of Hydro-soft Technology Institute Co., Ltd. (Chuo-ku, Osaka, Japan) |
| Sept. 2001 |
Establishment of Tokyo research center (Chiyoda-ku, Tokyo, Japan) |
| Aug. 2003 |
Osaka head quarter moved to Nishi-ku, Osaka, Japan. |
| Apr. 2005 |
Tokyo research center moved to Etou-ku, Tokyo, Japan. |
| Feb. 2012 |
Tokyo research center moved to Minato-ku, Tokyo, Japan. |
| May 2013 |
Tokyo research center was renamed "Tokyo Branch". |
| Sept. 2013 |
Osaka head quarter moved to Kita-ku, Osaka, Japan. |
| July 2014 |
Awarded PWRI President's Award 2014 and Best Engineer Award |
| Apr. 2018 |
Company name changed from Hydro-soft Technology Institute Co., Ltd. to Hydro Technology
Institute Co., Ltd. |
| July 2018 |
Established Kyushu branch office in Sawara Ward, Fukuoka City |
| Oct. 2020 |
Tokyo branch moved to Meguro-ku, Tokyo, Japan. |
| July 2021 |
Obtained patent (Patent No.6910506: RIVER WATER FLOW MEASURING APPARATUS, METHOD
THEREOF, PROGRAM THEREOF, AND RECORDING MEDIUM) |
| May 2024 |
Hydro-STIV received JSCE Innovative Technique Award 2023 |
| March 2025 |
Obtained patent (Patent No.7648728: Camera parameter computation device, method,
program, and recording medium; and river flow measurement device, method, program, and
recording medium) |
| May 2025 |
Kyushu branch moved to Chuo-ku, Fukuoka, Japan. |