昭和化工 沿革
| 1918 (Taisho 07) |
Shonosuke Ogura establishes Ogura Pharmaceutical Factory in Toyosaki, Higashiyodogawa-ku, Osaka City. The company begins manufacturing various industrial chemicals and reagents. |
|---|---|
| Taisho 13 (1924) |
Begins production of dessicated tartar for the first time in Japan. At the same time, various tin compounds are manufactured, including tin chloride. |
| 1928 (Showa 03) |
Successful industrial production of tartaric acid. |
| Showa 07 (1932) |
Spun off tartaric acid and tartaric acid manufacturing division. Showa Pharmaceutical Co., Ltd. is established in Suita City, Osaka Prefecture, as a joint venture with Miki Shoten Co. |
| 1934 (Showa 09) |
Ogura Pharmaceutical Factory and Toyosaki Factory moved to Juhachi-cho, Higashiyodogawa-ku, Osaka (former Mikuni Factory). Meanwhile, Showa Pharmaceutical Co., Ltd. begins production of citric acid. |
| 1937 |
Begins production of lactic acid at Showa Pharmaceutical Co. |
| 1941 |
Ogura Seiyakujo, an unlimited partnership, reorganized as Ogura Pharmaceutical Co. |
| 1943 |
Ogura Seiyaku merges with Showa Pharmaceutical Co., Ltd. and changes its name to Showa Kako Co. |
| 1948 |
Eiko Dyestuffs Manufacturing Co., Ltd. is established to produce synthetic dyes and tar intermediates. |
| 1949 (Showa 24) |
Merged with Eiko Dye Manufacturing Co. |
| 1959 |
Ltd. (now Satsuma Kako Co., Ltd.) for the production of citric acid by a new fermentation method. |
| 1960 (Showa 35) |
Kyushu Kako Co., Ltd. is established to expand the citric acid business. |
| 1971 |
Showa Hakko Co., Ltd. is established (now S.K. Bio Co., Ltd.) to expand citric acid production. |
| 1974 (Showa 49) |
Started production of naphthol primers. |
| 1985 (Showa 60) |
Constructed a multi-purpose experimental plant, now the 1st Multi Plant, at the Suita Plant to accommodate new product development. |
| 1992 (Heisei 04) |
JV, Amika Factory, is established in Shanghai, China. |
| 1999 (Heisei 11) |
Established ASIA CITRIXCITRIX (ACXACX), a joint venture with Mitsubishi Corporation, in Thailand to produce citric acid. (Sales ended in 2008) |
| 2004 (Heisei 16) |
Showa Enterprises becomes a holding company and absorbs each group company under its umbrella. |
| 2007 (Heisei 19) |
The first multi-purpose plant is constructed at the Mikuni Factory. |
| Year 2009 |
The database, "SME Attractiveness Discovery Report," is a database created by the National Federation of Small Business Associations and the Organization for Small & Medium Enterprises and Regional Innovation, Japan, to introduce Japan's powerful small and medium-sized enterprises. |
| 2011 |
An application for approval of a business advancement plan through the promotion of corporate location, etc., was submitted, and the plan was found to be in conformity with the basic plan for the formation of industrial clusters in northern Osaka, which had been agreed upon by the government. |
| Year 2013 |
Group company Sanwa Yuko is merged into Showa Kako and its division is liquidated. |
| Year 2014 |
Established a local subsidiary in New Delhi, India. |
| Year 2016 |
Established a local subsidiary in Sao Paulo, Brazil. |
| Year 2018 |
Established Samurai Dairy Products Pvt Ltd. in India. Established the company. |
| 2040 |
Acquires 100% of the shares of Ikaruga Dairy. |
| 2021 |
Murakami Shokusoku joins our company. |
| 2022 |
Wine Studio Aizu joins our company. |
| 2024 |
Completed a high-purity liquid plant to handle increased production of semiconductor-related products. |
| 2025 |
All group companies under the Showa Kako umbrella were merged to form a new company, Showa Kako Co. |
鹿屋工場 沿革
| 1960 (Showa 35) |
Established to produce citric acid from sweet potato starch lees using a solid culture fermentation method developed by the Kagoshima Prefectural Industrial Research Institute. |
|---|---|
| 1961 |
Full-scale production of citric acid begins. |
| 1965 (Showa 40) |
Production of sodium citrate started |
| 1965 (1986) |
Production of monosodium citrate begins. |
| Heisei 02 (1990) |
Started shochu waste liquid treatment business |
| Heisei 07 (1995) |
Started full-scale plant business |
| 2001 (Heisei 13) |
Built new plant for fermented acidulant solution |
| Year 2009 |
New departure as Showa Group (Showa Enterprise, Showa Kako, Kyushu Kako, Satsuma Kako, Eskay Bio, Sanwa Yuko) |
| Year 2009 (2015) |
Built new liquid fermentation plant |
| 2025 |
On April 1, 2025, Showa Kako merged with its parent company, Showa Kako Co. |
南さつま工場 沿革
| 1952 |
Kahei Uemura, who had immigrated to Canada at that time and was running a lumber business and wishing to develop industry in his hometown, established Uemura Chemical Corporation in Kaseda Uchiyamada (now Kaseda Uchiyamada, Minamisatsuma City) to commercialize the citric acid production method developed at the Kagoshima Prefectural Industrial Research Institute (now the Industrial Technology Center). |
|---|---|
| 1959 |
Technical and capital tie-up with Showa Kako Co., Ltd. and trade name changed to Shin Uemura Chemical Co. |
| 1964 (Showa 39) |
Built a new fermentation and refining plant in Kawabata, Kaseda. |
| 1972 (Showa 47) |
Obtained manufacturing approval for citric acid hydrate and sodium citrate hydrate (manufacturing only) from the Japanese Pharmacopoeia |
| 1978 |
The trade name is changed to Satsuma Kako Co. |
| 1984 (Showa 59) |
Obtained a manufacturing license for anhydrous citric acid (for manufacturing only) from the Japanese Pharmacopoeia |
| Heisei 09 (1997) |
Kawabata Plant changed to Head Office |
| 2004 (Heisei 16) |
Obtained a manufacturing license for potassium citrate (manufacturing only) outside the Japanese Pharmacopoeia |
| Year 2009 |
New start as Showa Group (Showa Enterprise, Showa Kako, Kyushu Kako (now Kanoya Plant), Satsuma Kako (now Minami-Satsuma Plant), S.K. Bio and Sanwa Yuko) |
| 2025 |
Ltd. will be merged into Showa Kako Co., Ltd. on April 1, 2025, with Showa Kako as the surviving company. |
果樹研究所 沿革
| 2005 (Heisei 17) |
Takeshi Honda establishes Honda Winery Ltd. in Inawashiro-cho, Fukushima Prefecture. The company is renamed Wine Studio Aizu and begins operations as the second winery in the prefecture. |
|---|---|
| 2005 (Heisei 17) |
Studied basic brewing techniques in Canada (Vancouver). |
| 2006 (Heisei 18) |
Obtained a license to produce fruit wine. |
| 2007 (Heisei 19) |
Began brewing in glass barrels, a rarity in Japan, using imported concentrated fruit juice. Begins sales under the name "Aizu Brewing Wine. |
| 2010 (Heisei 22) |
Brewery is expanded, equipment and other facilities are installed, and full-scale brewing begins. Shifted to brewing with fruit grown in the prefecture. Begins outsourced brewing. |
| Year 2014 |
Conducted by the National Tax Administration, "Quality Examination of Alcoholic Beverages Produced by Licensees with Expiration Dates". Aiming to produce wines of stable quality in the following years and beyond. |
| 2022 |
Company name changed from Honda Winery Ltd. to Wine Studio Aizu Ltd. |
| 2023 |
The facility will serve as a research facility. (Experiments on techniques for extracting polyphenols and anthocyanins from lees and unrefined sake, etc.) |
| 2025 |
Showa Kako merges with Wine Kobo Aizu, Ltd. and becomes the Fruit Tree Research Institute, Sales Division, Sales Department, Showa Kako, Ltd. from April 2025. |
食欲研究所 沿革
| 1965 (Showa 40) |
Established as Mika Food Service in Takaida, Higashiosaka City. |
|---|---|
| 1978 |
Company name changed to Murakami Food Service Co. |
| 1978 |
Construction and operation of head office and plant begins at Shichikenya, Higashiosaka City. |
| 1999 (Heisei 11) |
Kawamata Plant established in Kawamata, Higashiosaka City. |
| 2002 (Heisei 14) |
New head office and plant established in Inadashinmachi, Higashiosaka City |
| 2004 (Heisei 16) |
Nara Plant established in Minami-Rokujo-cho, Tenri City |
| 2007 (Heisei 19) |
Started a new business, outsourced food service management. |
| Year 2016 |
Nara Plant was abolished and consolidated into the Head Office Plant. |
| 2021 |
(Suita City, Osaka Prefecture), a new start as a wholly owned subsidiary of Showa Kako Co. |
| 2025 |
Showa Kako Co., Ltd. absorbs Murakami Food Service Co. |


