About us


  • Since its foundation in 1905, Omichi Seiyaku Co., Ltd. had been producing many pharmaceuticals and had contributed to the development of new drugs.

    From 1958, we had developed specific phosphorous compounds, making use of our technology accumulated in the early years for technical applications.

    With the aim of securing raw material resources and improving price competitiveness, we have focused on establishing a stable product supply system that uses local and imported intermediate products, and finished products.

    As a manufacturer specializing in specific compounds, our entire staff will make further efforts to provide produce specialty useful products that contribute to the society through continuous trials, development and manufacturing of specific compounds, while to meeting the various needs of our customers. Our Fukui Factory will has been playing a leading role to achieve these is goals in Japan.

    CEO Shigeo Fuji

Company Outline

Company Name Omichi Seiyaku Co., Ltd.
Representative Shigeo Fuji
Established 1948
Location 5-14-72, Daido, Higashiyodogawa-ku, Osaka, 533-0011
Tel +81-6-6328-0333
Fax +81-6-6328-0283
E-Mail omichiseiyaku@omichi-s.co.jp
Factory Fukui Factory
Affiliated Company Union Co., Ltd.
Packs Co., Ltd.
Speciality Phosphates (Malaysia) Sdn. Bhd.


1905 Opened a factory in Osaka Prefecture and began operations. Launched sales of acids such as hydrochloric acid, sulfuric acid and nitric acid included in the Japanese Pharmacopoeia.
1930 Moved to the current head office. In addition to the production and sale of raw materials for drugs, we succeeded in domestic production of calcium hypophosphite for the first time in Japan, which had previously been technically difficult to achieve. We received the Medal of Honor this year as well.
1958 Launched production of yellow white phosphorus secondary products. We commenced production and sales of sodium hypophosphite, hypophosphorous acid and phosphorous acid, making use of production technologies stated in the Japanese Pharmacopoeia. Satisfied the needs of users in the fields of synthetic resins, metal surface treatment, catalysts and medicine.
1973 Provided our production technologies and plants for sodium hypophosphite in response to the requests of Jiangsu Province and Shanghai Chemical Co., Ltd., China. We obtained sole marketing rights (social agency rights) for the products.
1988 Established a new company, S.P.M, with the aim of producing specific phosphates in Malaysia. This is a joint venture with Albright & Wilson UK Limited, one of the world’s largest manufacturers of yellow white phosphorus and phosphoric acid. All production technologies and marketing rights belong to Omichi Seiyaku Co., Ltd.
1991 Built a new factory (first-phase construction) in Technoport Fukui (Fukui Coastal Industrial Complex) to enhance production functions.
2004 Obtained ISO 14001 certification.


Business Locations

  • Omichi Seiyaku Co., Ltd. Head Office

    5-14-72, Daido, Higashiyodogawa-ku, Osaka, 533-0011
    Tel:+81-6-6328-0333 Fax:+81-6-6328-0283
    E-Mail omichiseiyaku@omichi-s.co.jp

  • Omichi Seiyaku Co., Ltd. Fukui Factory

    3-5-1, Technoport, Ishishinbo-cho, Fukui-shi, 910-3138
    Tel:+81-776-85-1177 Fax:+81-776-85-1209

  • Union Co., Ltd.

    5-14-72, Daido, Higashiyodogawa-ku, Osaka, 533-0011
    TEL : +81-6-6328-0333 FAX : +81-6-6328-0283

  • Packs Co., Ltd.

    5-14-72, Daido, Higashiyodogawa-ku, Osaka, 533-0011
    TEL : +81-6-6328-0333 FAX : +81-6-6328-0283


    Email : enquiry@nylexsc.com.my
    TEL : +60-3-3168-8282
    FAX : +60-3-3167-9115 _Sales +60 3 3168 5711 _Delivery

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