
| 1922 | Wholesale/retail store "Sasaki Shop", seller of sake and soy sauce was established in Yokogawa, Hiroshima City. "Sasaki Shop" was founded by Seiichi Sasaki. | ||
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| 1938 | Started manufacturing brewed vinegar | ||
| 1945 | "Sasaki shop" was burned down due to World War II. | ||
| 1946 | Resumed brewing vinegar by borrowing a facility from the sake brewer after the burned down. | ||
| 1950 | ![]() |
Started manufacturing and selling the sauce product | |
| 1952 | Relocated the factory to Oshiba-cho in Hiroshima City. Otafuku Zousu Co., Ltd was established. The new product "Okonomiyaki sauce" was released. |
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| 1960 | The new product "Yakisoba sauce" was released. | ||
| 1964 | The new product "Takoyaki sauce" was released. | ||
| 1969 | Tsutomu Sasaki assumed the role of the 2nd President. | ||
| 1975 | The company name was changed to Otafuku Sauce Co., Ltd. Discover the dates as the ingredient for the sauce for the first time. |
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| 1978 | ![]() |
HQ and factory was inaugurated in Shoko Center, Nishi-ku, Hiroshima City. | |
| 1979 | Shigeaki Sasaki assumed the role of the 3rd president. | ||
| 1982 | ![]() |
Released Okonomi Sauce 500g in Fuku bottle (Squeeze Bottle). | |
| 1987 | Established Tokyo Branch Office and Okonomiyaki Training Center | ||
| 1990 | ![]() |
Daiwa Factory was inaugurated. | |
| 1994 | Teruo Sasaki assumed the role of the 4th President. | ||
| 1998 | Okonomiyaki Training Centers was established in Nagoya, Osaka, and Fukuoka. Sasaki Yasufumi assumed the role of the 5th President. Okonomiyaki R&D department was established. |
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| 2000 | Okonomiyaki Training Center was established in Okayama. | ||
| 2003 | Otafuku Group certified for ISO9001. | ||
| 2005 | Business and capital alliance formed with Union Sauce. Shigeki Sasaki assumed the role of the 6th President. |
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| 2006 | Okonomiyaki Training Center was established in Takamatsu, relocated the sales office. | ||
| 2008 | ![]() |
Wood Egg Okonomiyaki Museum was inaugurated. | |
| 2009 | Corporate name changed to holding company Otafuku Group Co., Ltd. Okonomiyaki Training Center was established in Sendai, relocated the sales office. |
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