| Company Name | KUNIMINE INDUSTRIES CO., LTD. |
|---|---|
| Established | June 1, 1943 |
| Representative | Yasuhiko Kunimine |
| Paid-in Capital | 1,617.8 million yen (14,450,000 shares) |
| Sales | ¥ 15.7 billion (Consolidated) [For the year ended on March 31, 2025] |
| Employees | 240 [as of March 31, 2025] |
| Main Business Objectives |
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| Listed Market | Standard Market of Tokyo Stock Exchange |
| Account Settlement | Closing on March 31 |
| Head Office | TMM Bldg. 3F, 1-10-5 Iwamoto-cho, Chiyoda-ku, Tokyo, 101-0032 Japan |
| Places of Business | Offices:2 sites in Japan Production sites:7 sites in Japan Research & development sites:2 sites in Japan |
| Company | 4 companies in Japan, 2 companies outside Japan |
| 1943 Jun. | KUNIMINE MINING CO., LTD. established. |
|---|---|
| 1946 Feb. | Changes the company name to KUNIMINE KOKA KOGYO CO., LTD. |
| 1949 Dec. | Merges with Tsukinunogawa Mining Co., Ltd. (acquires the Aterazawa Plant and the Tsukinuno Mining Station) and starts mining of bentonite ores and manufacture of products using them. |
| 1956 Mar. | Opens the Ota Plant in Hitachi-Ota, Ibaraki. |
| 1963 Jan. | Starts processing of agrochemical formulations in the Aterazawa Plant. |
| 1967 Aug. | Opens the Zao Plant in Karita-gun, Miyagi and starts manufacture and sale of calcium-type bentonite. |
| 1970 Apr. | Establishes KAWASAKI MINING CO., LTD. in Miyagi (capital: 1 million yen, capital contribution ratio: 50%). |
| 1970 May. | Starts manufacture of agrochemical bases in the Aterazawa Plant and the Ota Plant. |
| 1971 Nov. | Starts manufacture of activated bentonite (Neokunibond) in the Zao Plant. |
| 1973 Nov. | Establishes an R&D Center for clay minerals in the Aterazawa Plant and succeeds in commercializing pure montmorillonite (KUNIPIA) using crude ores in the Tsukinuno Mining Station. |
| 1978 Jun. | Changes the company name to KUNIMINE INDUSTRIES CO., LTD. |
| 1980 Aug. | Completes a R&D Center in Kuroisho, Tochigi, and moves the R&D Center in the Aterazawa Plant to the new R&D Center. |
| 1983 Mar. | Opens the Iwaki Plant and R&D Center in the Kashima industrial complex in Joban, Fukushima. |
| 1986 Jun. | Opens the Onahama Plant in the Onahama coastal industrial complex in Fukushima and starts processing of agrochemical formulations. |
| 1989 Jun. | The company's shares are registered with the Tokyo District Office of the Japan Securities Dealers Association. |
| 1990 May. | Opens the Mito Plant in Hoi-gun, Aichi and starts manufacture of bentonite. |
| 1992 Dec. | Establishes TRANS WORLD PROSPECT CORPORATION in Texas, U.S. (capital: US$1.4 million, capital contribution ratio: 71.4%). |
| 1994 Jul. | Spins off the mining department and establishes KUNIMAIN CO., LTD. (capital: 2.5 million yen, capital contribution ratio: 100%). |
| 2000 Mar. | Acquires 100% of the shares of KAWASAKI MINING CO., LTD. |
| 2004 Dec. | Cancels registration as an over-the-counter-company with the Japan Securities Dealers Association and lists its shares on the JASDAQ Securities Exchange. |
| 2008 Apr. | Acquires 100% of the shares of KANTO BENTONITE MINING CO., LTD. and KANBEN MINING CO., LTD. and has 100% ownership of both companies. |
| 2010 Apr. | Lists its shares on the JASDAQ of the Osaka Stock Exchange following the merger between them and the JASDAQ Securities Exchange. |
| 2012 Jan. | Acquires the Koriyama Plant from BASF Japan Ltd. |
| 2013 Jul. | Lists its shares on the JASDAQ (standard) of the Tokyo Stock Exchange following the merger between them and the Osaka Stock Exchange. |
| 2015 Jan. | Establishes KUNIMINE (THAILAND) CO., LTD. in Thailand (capital: 4 million Thai bahts, capital contribution ratio: 49.0%). |
| 2015 Mar. | Makes a market shift from the JASDAQ (standard) of the Tokyo Stock Exchange to their second section. |
| 2016 Apr. | Changes the company name KANTO BENTONITE MINING to KUNIMINE MARKETING CO., LTD. |
| 2018 Mar. | Listed on the Tokyo Stock Exchange first section. |
| 2022 Apr. | Moved to Standard Market of Tokyo Stock Exchange due to the review of the market segmentation of the Tokyo Stock Exchange. |