| 1915 | Koba signs an agreement with Mulford of the US and set up a company in Doshomachi, Higashi-ku, Osaka. |
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Founder:Eikuma Koba
| 1920 | Company becomes Maruho Shouten, a limited partnership. |
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Maruho Shouten(1920)
| 1939 | Company reconstitutes itself as Maruho Shouten Co., Ltd. |
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| 1943 | Under the special Industrial Adjustment Act during the war, Maruho merges with Wakyo Pharmaceuticals. |
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| 1949 | Maruho Shouten Co., Ltd. once again established. |
| 1954 | "Hirudoid" goes on sale. |
| 1965 | Company changes name to current Maruho Co., Ltd. "Posterisan forte" goes on sale. |
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| 1968 | "Mobilat" goes on sale. |
| 1972 | Hikone Plant completed. |
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Hikone Plant completed
| 1985 | Maruho publishes "Collection of Haiku from the Showa Era" to celebrate 70th anniversary. |
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| 1997 | Head office moves to current location. |
| 1998 | Company establishes R&D Laboratories in Kyoto Research Park, where all R&D is concentrated. |
| 1999 | Company establishes Pharmaceutical Research Laboratories in Hikone. |
| 2000 | Hikone Office (plant, pharmaceutical research laboratory) was granted ISO14001 certification. The R&D Laboratories was renamed R&D Center. |
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| 2002 | Maruho announced a long-term vision "Global Boutique Company for Dermatology" |
| 2003 | Maruho presented a new corporate symbol mark. |
| 2005 | The 90th anniversary of the founding in July. |
| 2006 | Company establishes Drug Discovery Research Laboratories in Kyoto Research Park. |
| 2007 |
January Eastern Japan Distribution Center brought into operation October New production wing - the building's fourth - built at Hikone Plant November Maruho receives the Mecenat Award for Networking Haiku Poets in Category A (Mecenat Grand Prize) of the 2007 Japan Mecenat Awards. December Maruho is among the winners of the 2007 Porter Prize (Single-Business Company Category) |
Drug Discovery
Research Laboratories
established in Kyoto
Research Park
New production wing
(the building's fourth
wing) added to Hikone
Plant
Maruho receives
Porter Prize for
single-business companies
