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| 1897 |
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'WHAL MYUNG SU' developed by MIN, Byung Ho. |
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"DONG WHA YAK BANG" founded by MIN, Kang. |
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1906
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Established the Joseon Pharmacy School
(present College of Pharmacy in Seoul National University) |
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| 1907 |
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Established Min-Gang, So-Ui(昭義) school |
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1908
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Formed a Min-Gang, Korea youth organization
(Organization for resistance to Japan) |
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1909
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Patented proprietary name, 'Hwan-Yak'
(295th of the Patent bureau of the Residency-General) |
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Formed a Min-Gang, Korea youth organization
(Organization for resistance to Japan) |
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| 1910 |
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Trademark "Bu Chae Pyo" (Fan) registered |
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Established and enforce the first rules and regulations of
sales in Korea |
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| 1912 |
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A full-page 'Happy New Year' advertisement (Maeilsinbo) |
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Put an Advertisement of cosmetics 'Dong Wha baekbun',
'Okyong-Su', and 'Wisaeng-Yu' in a newspaper |
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1915
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Sponsored So-Ui School (Donate entire profit from
giveaway sales of a Joseon Corporation fair) |
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Bo-Dang Yoon Chang Sik, formed the Joseon association
of economic production encouragement, served as a
general affair manager |
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| 1917 |
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Released cosmetics, 'I-Hwa bun', and 'Do-Hwa bun' |
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1919
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Registration of trademark 'Whal Myung Aek'
(The first anti-trademark piracy movement in Korea) |
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Dong Wha Pharm, perform as a base of Seoul
Yeon-Tong bu |
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1922
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Bo-Dang Yoon Chang Sik, Bolin Hoe (Organization for
distress work) activity |
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1927
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Bo-Dang Yoon Chang Sik, Sin-gan Hoe (Organization for
resistance to Japan) activity |
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| 1931 |
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Firm name changed to "DONG WHA YAK BANG CO.,LTD." |
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| 1937 |
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YOON, Chang Sik (Bo Dang) became the 5th president. |
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'Bu Chae Pyo Whal Myung Su', applying for trademark in
Manchukuo (the first registration of trademark in overseas) |
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| 1938 |
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Branch Office in Manchuria established. |
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Appointed the first female pharmacist Jang Geumsan,
supervisory pharmacist (Branch manager of Andong, Manchuria) |
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| 1939 |
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Legislated company regulations |
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| 1942 |
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Establishment of branch plant. (Andong, Manchuria) |
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1945
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Gha Song Yoon Gwang Yeol, Commander of company 5
in Ju Ho region of independence army |
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1946
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The chairman, Yoon Chang Sik, representative of
commerce and industry department of central committee of Korean National Association for Promotion of
Independence |
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1949
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Gha Song Yoon Kwang Yull, joined Dong Wha Pharmacy
Corporation |
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1957
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Released 11 kinds of medicines including 'Cohunamin'
syrup |
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