Sept. 15,
1949
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ROHTO Pharmaceutical Co., Ltd. established.
Kiro Yamada appointed president. Capital at 10 million yen.
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| 1952 |
Launched "ROHTO Peni-my" eye drops.
Radio worked as an effective advertising medium, making this product a big hit.
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| 1954 |
Launched "Siron" gastrointestinal medicine.
Radio commercials and newspaper advertisement were successful, making it a top-selling product at a record sales level of 3.3 million units per month.
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| 1959 |
Head office and factory completed in the current location, Ikuno-ku Osaka.
The integrated establishments having a philosophy of "ROHTO Utopia," the workers' paradise; and the state-of-the-art manufacturing facilities attracted many visitors every day.
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| 1961 |
ROHTO Pharmaceutical listed on the Second Section of Osaka Stock Exchange. |
| 1962 |
Launched "Pansiron" gastrointestinal medicine.
TV advertising became active as a promotional tool.
ROHTO Pharmaceutical listed on the Second Section of Tokyo Stock Exchange.
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| 1964 |
Launched "V ROHTO" eye drops.
It was the first Aspartic Acid-formulated eye drops to relieve eyestrain that laid the foundation for the V ROHTO brand.
ROHTO Pharmaceutical listed on the First Section of both the Tokyo Stock Exchange and the Osaka Stock Exchange.
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| 1965 |
Yamada Swimming Club founded. |
| 1967 |
Launched "Pansiron G" gastrointestinal medicine. |