| 1898-10 |
Medipal has a tradition of over a century since its founding in 1898, and since the merger of three pharmaceutical wholesalers in April 2000, it has continued to grow through expansion and innovation. |
| 1898-10 |
Medipal was founded in 1898. |
| 1923-05 |
The Sankyo-do Co., Ltd. was established in May 1923 (Taisho 12). |
| 1923-05 |
Founded Samsung-do Co., Ltd. |
| 1947-07 |
Tokyo Pharmaceutical Co., Ltd. was established in July 1947 (Showa 22). |
| 1947-07 |
Founded Tokyo Pharmaceutical Co., Ltd. |
| 1949-01 |
Kuraya Pharmaceutical Co., Ltd. was established in January 1949 (Showa 24). |
| 1949-01 |
Founded Kuraya Yakuhin Co., Ltd. |
| 1995-09 |
In September 1995 (Heisei 7), Sankyo-do Co., Ltd. was listed on the Second Section of the Tokyo Stock Exchange. |
| 1995-09 |
Samsung Corporation, listed on the Tokyo Stock Exchange Second Section |
| 1997-09 |
In September 1997 (Heisei 9), Sankyo-do Co., Ltd. was designated on the First Section of the Tokyo Stock Exchange. |
| 1997-09 |
Samsung Corporation designated for the First Section of the Tokyo Stock Exchange |
| 2000-04 |
In April 2000 (Heisei 12), Sankyo-do Co., Ltd., Kuraya Pharmaceutical Co., Ltd., and Tokyo Pharmaceutical Co., Ltd. merged to establish Kuraya Sankyo Co., Ltd. |
| 2000-04 |
Samsung Corporation merged with Kura Pharmaceutical Co., Ltd. and Tokyo Pharmaceutical Co., Ltd. to establish Kura Samsung Corporation |
| 2001-02 |
In February 2001 (Heisei 13), Chisyu Pharmaceutical Co., Ltd. began operations in pharmaceutical wholesale. |
| 2001-02 |
Senshu Pharmaceutical Co., Ltd. (Akita City) commenced pharmaceutical wholesale business |
| 2003-03 |
In March 2003 (Heisei 15), Shioda Sankokudo Pharmaceutical Co., Ltd. was fully acquired. |
| 2003-03 |
Fully acquired Choshi Sangokudo Pharmaceutical Co., Ltd. (Mito City) |
| 2003-09 |
In September 2003 (Heisei 15), Izutsu Pharmaceutical Co., Ltd. and Heisei Pharmaceutical Co., Ltd. were fully acquired. |
| 2003-09 |
Fully acquired Izutsu Pharmaceutical Co., Ltd. (Kyoto City) and Heisei Pharmaceutical Co., Ltd. (Gifu City) |
| 2004-02 |
In February 2004 (Heisei 16), Yonyaku Co., Ltd. and Nakazawa Shika Pharmaceutical Co., Ltd. formed a business alliance. |
| 2004-02 |
Business alliance with Yonyaku Co., Ltd. (Takamatsu City) and Nakazawa Pharmaceutical Co., Ltd. (Kochi City) |
| 2004-04 |
In April 2004 (Heisei 16), Ebalus Co., Ltd. and Atoru Co., Ltd. were fully acquired, establishing the Mediseo Group. |
| 2004-04 |
In April 2004 (Heisei 16), Kuraya Sankyo Divisional Preparation Co., Ltd. was established. |
| 2004-04 |
Fully acquired Ebarus Co., Ltd. (Hiroshima City) and Atoru Co., Ltd. (Fukuoka City), established "Mediseo Group" and Kura Samsung split-off preparation company |
| 2004-05 |
In May 2004 (Heisei 16), Nakagawa Seiko-do Co., Ltd. was fully acquired. |
| 2004-05 |
Fully acquired Nakagawa Seiko-do Co., Ltd. (Bunkyo Ward, Tokyo) |
| 2004-10 |
In October 2004 (Heisei 16), the pharmaceutical wholesale business was split off, and the company changed its name to Mediseo Holdings Co., Ltd. |
| 2004-10 |
Divided the pharmaceutical wholesale business and changed the company name to "Mediseo Holdings" |
| 2005-04 |
In April 2005 (Heisei 17), Chiyaku Co., Ltd. was fully acquired. |
| 2005-04 |
Fully acquired Chiyaku Co., Ltd. (Chiba City) |
| 2005-07 |
In July 2005 (Heisei 17), a part of the shares of Shikoku Pharmaceutical Co., Ltd. was acquired. |
| 2005-07 |
Partially acquired shares of Shikoku Pharmaceutical Co., Ltd. |
| 2005-10 |
In October 2005 (Heisei 17), merged with Parutakku Co., Ltd. and changed the trade name to Mediseo Parutakku Holdings Co., Ltd. |
| 2005-10 |
Merged with Parthack Co., Ltd. and changed the company name to "Mediseo Parthack Holdings" |
| 2007-01 |
In January 2007 (Heisei 19), fully acquired Maruzen Yakuhin Co., Ltd. |
| 2007-01 |
Fully acquired Maruzen Pharmaceutical Co., Ltd. (Kitahiroshima City, Hokkaido) |
| 2008-01 |
In January 2008 (Heisei 20), fully acquired Kobashou Co., Ltd. |
| 2008-01 |
Fully acquired Kobashou Co., Ltd. (Chuo Ward, Tokyo) |
| 2009-10 |
In October 2009 (Heisei 21), split off the wholesale business of medical pharmaceuticals, etc., and changed the trade name to Medipal Holdings Co., Ltd. |
| 2009-10 |
In October of the same year, Kuraya Samsung-do Co., Ltd. merged with Chisaki Yakuhin Co., Ltd., Shiota Kuraya Samsung-do Co., Ltd., Yama Hiro Kuraya Samsung-do Co., Ltd., Heisei Yakuhin Co., Ltd., and Izutsu Kuraya Samsung-do Co., Ltd., and changed the trade name to Mediseo Co., Ltd. |
| 2009-10 |
Divided the pharmaceutical wholesale business and changed the company name to "Medipal Holdings"; Kura Samsung merged with other subsidiaries and changed the company name to "Mediseo" |
| 2014-12 |
In December 2014 (Heisei 26), fully acquired Sakurai Tsusho Co., Ltd. |
| 2014-12 |
Fully acquired Sakurai Tsusho Co., Ltd. (Sapporo City) |
| 2016-01 |
In January 2016 (Heisei 28), fully acquired Astech Co., Ltd. |
| 2016-01 |
Fully acquired Astec Co., Ltd. (Tsukuba City) |
| 2016-04 |
In April 2016 (Heisei 28), Sakurai Tsusho Co., Ltd. succeeded in wholesale of food processing raw materials conducted by MP Agro Co., Ltd., and changed the trade name to Medipal Foods Co., Ltd. |
| 2016-04 |
MP Agro Co., Ltd. transferred its business of wholesale food processing raw materials and food additives to Sakurai Tsusho Co., Ltd., and changed its name to "Medipal Foods Co., Ltd." |
| 2016-05 |
In May 2016 (Heisei 28), established SPLine Co., Ltd. |
| 2016-05 |
Established SPLine Co., Ltd. |
| 2020-10 |
In October 2020 (Reiwa 2), established Falfield Co., Ltd. |
| 2020-10 |
Founded Falfield Corporation |
| 2022-04 |
In April 2022 (Reiwa 4), established Mediscet Co., Ltd. |
| 2022-04 |
In April 2022 (Reiwa 4), transitioned to the Prime Market due to review of the market classification of the Tokyo Stock Exchange. |
| 2022-04 |
Founded Mediscat Corporation |
| 2022-04 |
Review of market classification of the Tokyo Stock Exchange and transition to the "Prime Market" |
| 2023-03 |
In March 2023 (Reiwa 5), fully acquired Sumitomo Pharma Food & Chemical Co., Ltd. |
| 2023-03 |
Fully acquired Sumitomo Pharma Food & Chemicals Co., Ltd. (Osaka City) |
| 2023-04 |
In April 2023 (Reiwa 5), fully acquired Higashi Nana Co., Ltd. |
| 2023-04 |
Fully acquired East Seven Corporation (Sasebo City) |
| 2024-05 |
In May 2024 (Reiwa 6), fully acquired Prime Medica Co., Ltd. and Flora Discovery Co., Ltd. |
| 2024-05 |
Fully acquired PrimeMedica Corporation (Minato-ku, Tokyo) and Flora Discovery Corporation (Minato-ku, Tokyo) |
| 2024-07 |
In July 2024 (Reiwa 6), acquired Presa Cube Co., Ltd. as a subsidiary. |
| 2024-07 |
Made Presa Cube Corporation (Shinjuku-ku, Tokyo) a subsidiary |
| 2024-10 |
MP Go-Kyo Food & Chemicals Co., Ltd. absorbed Medipal Foods Co., Ltd. |
| 2026-01 |
MP Agro Co., Ltd. acquired all shares of Signi Holdings Co., Ltd. |
