| 1914 |
Founded in 1914 (Taisho 3) as Iwaki City Taro Store (Hon Ishicho 4-chome) as a drugstore wholesaler, started wholesale to pharmacies, and from this time began wholesale of pharmaceutical raw materials. |
| 1914 |
Founded in Taisho 3 (1914) as a drugstore, Iwaki Ichitaro Store |
| 1914 |
Iwakicho Taro Shoten (Honishicho 4-chome) was founded as a drugstore wholesaler: Started wholesale to pharmacies and from this time began wholesale of pharmaceutical raw materials |
| 1914 |
Founded drug wholesaler, Iwaki City Taro Store |
| 1923 |
In 1923 (Taisho 12), the store was completely burned down due to the Great Kanto Earthquake. |
| 1923 |
The store was completely burned down due to the Great Kanto Earthquake |
| 1931 |
In 1931 (Showa 6), a new three-story wooden mortar store was built, and the Limited Partnership Iwaki Pharmaceutical was established (later Iwaki Pharmaceutical Co., Ltd.), beginning manufacturing of pharmaceuticals and pharmaceutical raw materials. |
| 1931 |
Founded Iwaki Pharmaceutical Co., Ltd. (now Iwaki Pharmaceutical Co., Ltd.) in 1931 |
| 1931 |
Constructed a new three-story wooden and mortar store: Established Iwaki Pharmaceutical Co., Ltd. (later Iwaki Pharmaceutical Co., Ltd.): Began manufacturing pharmaceuticals and pharmaceutical raw materials |
| 1933 |
In 1933 (Showa 8), Iwaki Pharmaceutical established Kamata Factory. |
| 1933 |
Established Kamata Factory of Iwaki Pharmaceutical Co., Ltd. |
| 1937 |
Opened Osaka Branch Office in 1937 |
| 1937 |
Opened Osaka Branch Office |
| 1939 |
Established Iwaki Yakuhin Co., Ltd. in 1939 (absorbed in December 1986) |
| 1939 |
Established Iwaki Pharmaceutical Co., Ltd. (absorbed in December 1986) |
| 1941 |
In 1941 (Showa 16), reorganized into a corporation as "Iwaki Shoten Co., Ltd.". The world event of this year: Outbreak of World War II. |
| 1941 |
Renamed Iwaki Shoten Co., Ltd. from Iwaki Taro Shoten in 1941 |
| 1941 |
Renamed to Iwaki Shoten Co., Ltd.: The year saw the outbreak of World War II |
| 1941 |
Established Partnership Company Iwaki Pharmaceutical (now Iwaki Pharmaceutical Co., Ltd.) |
| 1941 |
Renamed Iwaki City Taro Store to Iwaki Shoten Co., Ltd. |
| 1945 |
In 1945 (Showa 20), Iwaki Pharmaceutical Kamata Factory was destroyed by fire. The world event of this year: Tokyo Air Raid, intensification of air raids. |
| 1945 |
Kamata Factory of Iwaki Pharmaceutical burned down: The year saw the Tokyo Air Raids and intensified air raids |
| 1946 |
In 1946 (Showa 21), Iwaki Pharmaceutical Kamata Factory was rebuilt. |
| 1946 |
Rebuilt Kamata Factory of Iwaki Pharmaceutical |
| 1948 |
In 1948 (Showa 23), renamed to Iwaki Pharmaceutical Co., Ltd., with Iwaki Jiro Taro as president. |
| 1948 |
Renamed to Iwaki Pharmaceutical Co., Ltd.: Mr. Iwaki Jiro became president |
| 1950 |
In 1950 (Showa 25), started handling imported pharmaceutical raw materials. |
| 1950 |
Started handling imported pharmaceutical raw materials |
| 1951 |
In 1951 (Showa 26), started handling chemicals. |
| 1951 |
Started handling chemicals |
| 1953 |
Opened Fukuoka Branch Office in 1953 |
| 1953 |
Fukuoka Branch Office Established |
| 1955 |
Opened Toyama Branch Office in 1955 |
| 1955 |
Toyama Branch Office Established |
| 1959 |
In 1959 (Showa 34), started handling food raw materials. |
| 1959 |
Started handling food raw materials |
| 1960 |
In 1960 (Showa 35), established Japan Metal Finishing Company (later Meltex Co., Ltd.) as a joint venture with the US, and began manufacturing surface treatment chemicals. |
| 1960 |
In 1960 (Showa 35), completed a five-story building. |
| 1960 |
Established Japan Metal Finishing Company (later Meltex Co., Ltd.) as a joint venture between Japan and the U.S.: Began manufacturing surface treatment chemicals |
| 1960 |
Completion of a five-story building |
| 1962 |
In 1962 (Showa 37), Kenjiro Iwaki became president. |
| 1962 |
Kenji Iwaki became president in 1962 |
| 1962 |
Kenjiro Iwaki assumed the position of president |
| 1962 |
Kenjiro Iwaki Appointed as President |
| 1963 |
In 1963 (Showa 38), renamed to "Iwaki Co., Ltd.", listed on the Second Section of the Tokyo Stock Exchange, and started handling cosmetic raw materials. |
| 1963 |
Changed trade name to Iwaki Co., Ltd. in 1963 |
| 1963 |
Renamed to Iwaki Co., Ltd.: Listed on the Second Section of the Tokyo Stock Exchange: Started handling cosmetic raw materials |
| 1963 |
Company Name Changed to Iwaki Corporation |
| 1964 |
1964 (Showa 39) Major events of the year: Tokyo Olympics held |
| 1964 |
Listed on the Second Section of Osaka Securities Exchange in 1964 (delisted in January 2004) |
| 1964 |
Listed on Osaka Securities Exchange Second Section (Delisted in January 2004) |
| 1965 |
1965 (Showa 40) Capital participation in Bowen Chemical Co., Ltd. Started manufacturing food raw materials Iwaki Pharmaceutical Shizuoka Factory completed |
| 1965 |
Established Bowen Chemical Co., Ltd. in 1965 |
| 1965 |
Participated in Bowen Chemical Co., Ltd. Capital investment begins in food raw material manufacturing: Iwaki Pharmaceutical, Shizuoka Factory completed |
| 1965 |
Boeing Chemical Co., Ltd. Established |
| 1971 |
1971 (Showa 46) Iwaki Pharmaceutical Shizuoka Factory completed |
| 1981 |
1981 (Showa 56) Started handling functional foods |
| 1981 |
Started handling functional foods |
| 1986 |
1986 (Showa 61) Japan Metal Finishing renamed to Mertex Corporation |
| 1986 |
Absorbed Iwaki Yakuhin Co., Ltd. in 1986 |
| 1986 |
Japan Metal Finishing renamed to Meltex Co., Ltd. |
| 1986 |
Absorbed Iwaki Pharmaceuticals Co., Ltd. |
| 1989 |
1989 (Heisei 1) Iwaki Corporation headquarters building completed |
| 1989 |
Completed head office building in 1989 |
| 1989 |
Iwaki Co., Ltd. Headquarters building completed |
| 1989 |
Head Office Building Completed |
| 1992 |
1992 (Heisei 4) Matured period "Most Admired Company" |
| 1994 |
1994 (Heisei 6) Chairman Kentaro Iwaki, President Shu Iwaki appointed |
| 1994 |
Akira Iwaki became president in 1994 |
| 1994 |
Kentarō Iwaki appointed as Chairman, Osamu Iwaki as President |
| 1994 |
Kenjiro Iwaki Assumed as President |
| 2000 |
2000 (Heisei 12) Establishment of Apross Corporation Started manufacturing and selling cosmetics |
| 2000 |
Established Apross Co., Ltd. in 2000 |
| 2000 |
Apros Co., Ltd. established: Cosmetics manufacturing and sales started |
| 2000 |
Apros Co., Ltd. Established |
| 2005 |
2005 (Heisei 17) Listed on the First Section of the Tokyo Stock Exchange |
| 2005 |
Designated on the First Section of Tokyo Stock Exchange in 2005 |
| 2005 |
Listed on the First Section of the Tokyo Stock Exchange |
| 2005 |
Designated on Tokyo Stock Exchange First Section |
| 2010 |
In 2010, Mertex Co., Ltd., Tokai Mertex Co., Ltd., and others |
| 2010 |
Mertex Co., Ltd., Tokai Mertex Co., Ltd., and Tokyo Chemical Machinery Co., Ltd. Became Consolidated Subsidiaries |
| 2011 |
2011 (Heisei 23) Mertex Corporation became a wholly owned subsidiary Great East Japan Earthquake occurred |
| 2011 |
Meltex Co., Ltd. fully acquired: Major event of the year: Great East Japan Earthquake occurred |
| 2011 |
Made Mertex Co., Ltd. a wholly owned subsidiary through share exchange |
| 2012 |
2012 (Heisei 24) Mertex Asia Thailand established Started overseas production |
| 2012 |
Meltex Asia Thailand established, began overseas production |
| 2014 |
2014 (Heisei 26) 100th anniversary of founding |
| 2014 |
Held 50th anniversary celebration at Sankei Hall in 2014 |
| 2014 |
Held 100th anniversary appreciation event at Hotel New Otani in 2014 |
| 2014 |
100th anniversary of founding |
| 2014 |
100th Anniversary Appreciation Event (at Hotel New Otani) |
| 2017 |
2017 (Heisei 29) Chairman Shu Iwaki, President Keitaro Iwaki appointed |
| 2017 |
Keitaro Iwaki became president in 2017 |
| 2017 |
Osamu Iwaki appointed as Chairman, Keitaro Iwaki as President |
| 2017 |
Keitaro Iwaki Assumed as President |
| 2020 |
2020 (Reiwa 2) Fully acquired Sperapharma Corporation Established Iwaki Pharmaceutical Sakura Factory Co., Ltd. Established Iwaki Division Preparation Co., Ltd. (now Iwaki Corporation) Established Speranexus Corporation Fully acquired Maruman H&B Co., Ltd. |
| 2020 |
Made Sperapharm Co., Ltd. a wholly owned subsidiary in 2020 |
| 2020 |
Fully acquired Sperapharma Co., Ltd.: Subsidiary Iwaki Pharmaceutical Sakura Factory Co., Ltd.: Established Iwaki Segmentation Preparation Co., Ltd. (now Iwaki Co., Ltd.): Established Speranexus Co., Ltd.: Fully acquired Maruman H&B Co., Ltd. |
| 2020 |
Fully Acquired Sperapharma Co., Ltd. |
| 2021 |
2021 (Reiwa 3) Established Astena Heartful Corporation Made JITSUBO Corporation a subsidiary Changed the name of the former Iwaki Corporation to Astena Holdings Corporation and started a holding company system Moved some headquarters functions to Suzu City, Ishikawa Prefecture Established Noto SDGs Investment Business Limited Partnership (Noto SDGs Fund) Changed the name of Iwaki General Research Institute to Astena Minerva Corporation |
| 2021 |
Founded Astena Heartful Co., Ltd. in 2021 (Reiwa 3) |
| 2021 |
Established Astena Heartful Co., Ltd.: Subsidiary JITSUBO Co., Ltd.: Changed name from the former Iwaki Co., Ltd. to Astena Holdings Co., Ltd. and started holding company system: Moved some headquarters functions to Suzu City, Ishikawa Prefecture: Established Noto SDGs Investment Business Limited Partnership (Noto SDGs Fund): Changed name of Iwaki General Research Institute to Astena Minerva Co., Ltd. |
| 2021 |
Astena Heartful Co., Ltd. Established |
| 2021 |
Company Name Changed to Astena Holdings Co., Ltd. |
| 2022 |
2022 (Reiwa 4) Transitioned to the Prime Market of the Tokyo Stock Exchange Made Anz Lab Corporation a subsidiary Made Ishikawa Zukan Corporation a subsidiary Established PIXTURE Corporation |
| 2022 |
Transitioned from the First Section of the Tokyo Stock Exchange to the Prime Market in 2022 (Reiwa 4) |
| 2022 |
Moved to Prime Market of Tokyo Stock Exchange: Subsidiary Anz Lab Co., Ltd.: Subsidiary Ishikawa Wazukan Co., Ltd.: Established PIXTURE Co., Ltd. |
| 2022 |
Transitioned from Tokyo Stock Exchange First Section to Prime Market |
| 2023 |
2023 (Reiwa 5) Established AM Trading Corporation Established TUAT1 Investment Business Limited Partnership (TUAT Fund) |
| 2023 |
Established AM Trading Co., Ltd. (now NAIA Co., Ltd.) in 2023 (Reiwa 5) |
| 2023 |
Established AM Trading Co., Ltd.: Established TUAT No. 1 Investment Business Limited Partnership (TUAT Fund) |
| 2023 |
AM Trading Co., Ltd. was established (currently NAIA Corporation) |
| 2024 |
2024 (Reiwa 6) President Tomo Setoguchi appointed |
| 2024 |
Seto Guchi Tomo assumed the position of president in 2024 (Reiwa 6) |
| 2024 |
Seetoguchi Tomo appointed as President |
| 2024 |
Tomo Setoguchi appointed as President |
| 2024 |
Celebrating 110 years since founding |
| 2025 |
Celebrated the 110th anniversary of founding in 2025 (Reiwa 7) |
| 2025 |
Ikeida Bussan Group became a consolidated subsidiary |