| Year | Detail |
| 1907 |
Asahi Glass Co., Ltd. was established to manufacture flat glasses at its factory in Amagasaki, Hyogo Prefecture, Japan. |
| 1914 |
The company's first shipment of sheet glass was exported to England. |
| 1916 |
The company started in-house production of soda ash, a critical raw material for glass in Japan. |
| 1925 |
Shoko Glass Co., Ltd. was established in China as Asahi Glass’ first business outside Japan. |
| 1933 |
The company established the Asahi Foundation for Chemical Industry Promotion (now the Asahi Glass Foundation) to commemorate its 25th anniversary. |
| 1956 |
The company established an automotive glass business to respond to the growing demand, and the glass manufacturing subsidiary was established in India. |
| 1961 |
The company started the production of propylene oxide and propylene glycol. |
| 1981 |
AGC Inc. acquired Glaverbel S.A. and MaasGlas B.V., glass companies in Belgium and the Netherlands. |
| 2013 |
AGC established its regional headquarters in Singapore in 2013. The company's regional headquarters is AGC Asia Pacific Pte. Ltd. (AAP). |
| 2018 |
AGC Inc. collaborated with NTT DOCOMO, INC. to create a product that adds cellular base station functions to Windows. |
| 2019 |
The company completed the acquisition of US-based Taconic's Advanced Dielectric Division (ADD) and a portion of its Industrial Products Division (IPD). |
| 2020 |
AGC acquired a biopharmaceutical commercial manufacturing facility formerly owned by AstraZeneca in Boulder, Colorado, U.S. |
| 2023 |
AGC built and launched ChatAGC, an in-house conversational AI tool developed by Microsoft’s Azure OpenAI Service, to enable employees to use chat AI safely and securely. |
| 2024 |
The company partnered with MEDINET Co., Ltd. for the Cell Therapy CDMO business. |