| 1958 |
Kariya Machine Manufacturing Co., Ltd. was founded. |
| 1960 |
The company was renamed Toyooki Kogyo Co., Ltd. |
| 1975 |
The production of TC pumps started through a technical tie-up
with FHH, a German company. |
| 1979 |
Low-power consumption type solenoid-operated valves were developed. |
| 1981 |
Toyooki Kogyo received the Prime Minister's Merit Award for Safety.
|
| 1982 |
The production of gear sets, automobiles parts, started. |
| 1983 |
A joint venture for producing and selling hydraulic and pneumatic
devices was founded in Taiwan. |
| 1989 |
Toyooki Kogyo received the Deming Prize (former Deming Application
Prize for Small Companies) for 1989. |
| 1992 |
The ultra-compact hydraulic ganged valve Super HY-TEGRA D Series
was developed. |
| 1994 |
Toyooki Kogyo received the Award for TPM Excellence, Category
A for 1994. |
| 1998 |
Toyooki Kogyo acquired an ISO 9001 certificate. |
| 2002 |
Direct-acting type low-power consumption type solenoid-operated
valves were developed. |
| 2003 |
Toyooki Kogyo acquired an ISO 14001 certificate. |
| 2004 |
Toyooki Kogyo achieved 15.70 million hours of operation without
accidents in Class 5. |
| 2005 |
Hybrid hydraulic systems were developed. |
| 2007 |
Compact solenoid-operated valves were developed. |
