天山酒造株式會社

Began a flour milling and noodle-making business at the current site (Iwakura, Ogi, Saga Prefecture, on the banks of the Gion River) (Bunkyu 1).

Risou Shichida and his wife Tsuki started the sake brewing business (Meiji 8).

Second-generation brewery owner Hideichi Shichida established the general partnership company Shichida Honten (Showa 11).

Under the third-generation owner (who succeeded to the name Hideichi Shichida), the company was reorganized as Tenzan Shuzo Co., Ltd. (Showa 34).

Under fourth-generation owner Naoo Shichida, capital was increased to 18,000,000 yen (Showa 46).

Fifth-generation owner Toshihide Shichida began managing the company (Showa 51).

Launched the "Iwanokura" brand, distributed exclusively within Kyushu.

Sixth-generation owner Kensuke Shichida was appointed representative director (December, Heisei 21).