1930
Founded Iwatani Naoji Shoten, engaged in sales of oxygen, welding rods, and carbide.
1945
Iwatani Corporation is established and founder Naoji Iwatani was appointed as the President.
1965
Iwatani Corporation listed on the OSE and TSE 1st Section.
1990
Iwatani Corporation (Thailand) Ltd. and Bangkok Ai-Toa Co., Ltd. were established
2013
The Iwatani R&D Center was completed in Amagasaki (Hyogo prefecture) and began operations as our new technical base.
2014
Iwatani Hydrogen Refueling Station Amagasaki, Japan's first commercial hydrogen station, opened.
2021
Opened the Bangkok Gas Center and started the helium business.
2022
- Lamphun Branch opened
- Iwatani Tomoe (Thailand) Co., Ltd. was established.
- Iwatani Cassette Feu (Thailand) Co., Ltd. was established.
2023
Bangkok Ai-Toa Co., Ltd. expanded its plant, began mass production operations, and began manufacturing cassette stoves in Thailand.
2024
Opened refrigerant recovery, revitalization, and portion filling field at the Bangkok Gas Center.