HISTORY -

1939-1963Establishment and growth period 1964-1988Expansion and fulfillment period 1989-Reform and new challenge period

1stQuarter Establishment and growth period 1939-1963 -

  • Company founded by Tsuyoshi Kurozumi and others as Koa Kagakukogyo Co., Ltd. (Katsushika-ku, Tokyo)
    Launched manufacturing and sales of nutritional foods and medical supplies made with livestock organs as raw materials
  • Company name changed to Koa Eiyokagaku Kenkyusho Co., Ltd.
  • Exclusive distribution agreement and capital alliance executed with Tanabe Seiyaku Co., Ltd.
  • Company name changed to Nihon Eiyokagaku Co., Ltd.
    Nihon Eiyokagaku
    NEK logo
    Nihon Eiyokagaku
    carbon logo
  • Launched sales of bacterial testing products
    Powdered agar for the detection of bacteria (SS Agar "Eiken")

    First company to succeed in creating a powdered agar for the detection of bacteria (isolation of typhoid and shigella bacteria), contributing to the development of communicable disease control and public health in Japan

    Research laboratory interior
    Laboratory staff posed around Tsuyoshi Kurozumi, President
  • First published "Modern Media," a clinical diagnostics academic information magazine
    Modern Media August 1955 issue
  • Launched sales of bacterial drug sensitivity testing reagents (disk diffusion method)
    Launched sales of tuberculosis culture medium "Ogawa Agar 'Eiken'"
  • Founded EIKEN KIZAI CO., LTD.
  • Completed new plant in Katsushika (Katsushika-ku, Tokyo: Katsushika Office)
    Established the Clinical Diagnostics Division the following year and launched research and development of in vitro diagnostics
    Opened Nihon Eiyokagaku Plant 1 and Plant 2
  • Launched sales of clinical chemistry reagents
    "Alkaline Phosphatase Tube 'Eiken'"
    Launched sales of urinalysis test reagents
    "Uropaper A 'Eiken'" and "Uropaper B 'Eiken'"
    Launched sales of immunological and serological reagents
    Hemolytic streptococcal infection testing reagent "Streptolysin O 'Eiken'"

1stQuarter Expansion and fulfillment period 1964-1988 -

  • Completed phase-one construction of the Nogi Plant (Nogi, Tochigi: Nogi Division) and launched production
    Completed Nogi Plant phase-one construction
    Started the Saburo Kojima Memorial Society (business taken over by Kurozumi Medical Foundation (K M F) in 1993)
    Launched sales of blood culture medium bottles
    "Culture Bottle No. 2"
  • Launched sales of latex agglutination immunological and serological reagents
    Rheumatoid factor measurement reagent "RA Reagent 'Eiken'"
  • Company name changed to Eiken Chemical Co., Ltd. on the 30th anniversary of its founding
    Eiken Chemical Co., Ltd. company badge
  • Launched sales of "Pore Media" prepared culture medium
    "Pore Media"
  • Completed Eiken Immunochemical Research Laboratory (Kita-ku, Tokyo: Oji Office) and launched operations
    Eiken Immunochemical Research Laboratory
    Launched sales of Radioimmunoassay (RIA) reagents
    Launched sales of slide plate agglutination reagents using latex agglutination reaction
    "Gestate Slide 'Eiken'"
  • Launched sales of bacterial identification reagents
    Launched sales of the first immunological and serological reagents developed with a pioneering method that does not dilute the specimen
    "RA77 'Eiken'"
  • Completed new headquarters building (Bunkyo-ku, Tokyo) and launched operations
    New headquarters building
  • Tsuyoshi Kurozumi, President, awarded the 4th Order of the Sacred Treasure for his achievements contributing to the improvement of health and hygiene both inside and outside of Japan
    Opened the Toda Research Laboratory
    Launched sales of immunological and serological reagents using the SRID method
  • Launched sales of reagents related to enzyme immunoassay methods (EIA method and ELISA method)
    Launched sales of specialized reagents for use with fully-automated immunochemical analyzer using a latex agglutination reaction
    "LA-SYSTEM"
  • Completed phase-one construction for the Nasu Plant (Otawara, Tochigi: Nasu Office) and launched production
    Nasu Plant
    Launched sales of urinary salt content measurement reagents
    "Saltpaper 'Eiken'"
  • Launched sales of "KB Disk 'Eiken'" bacterial drug sensitivity testing reagents
  • Appointed Tadao Kurozumi as President and Representative Director
    Tadao Kurozumi with Tsuyoshi
    Launched sales of blood glucose self monitoring equipment and reagents
  • Launched sales of in vivo diagnostic contrast media
    "Hexabrix 320"
    Launched sales of fecal immunochemical test reagents
    "OC-Hemodia"
    Launched sales of the "BACTSYSTEM" bacterial data management system
  • Opened resident office in San Diego, USA
    Launched sales of bacterial drug sensitivity testing reagents (fluid culture dilution method)
    Launched distribution of Tosoh Corporation enzyme immunoassay equipment (AIA) and dedicated reagents

1stQuarter Reform and new challenge period 1989- -

  • Launched sales of the world's first fully-automated fecal occult blood analyzer and dedicated reagents
    "OC-SENSOR"
  • Listed stock in the Second Section of the Tokyo Stock Exchange
    January 29, 1990 Nihon Keizai Shimbun
  • Launched sales of "Uropaper GP 'Eiken'" OTC urinalysis test strip
  • Completed Biochemical Research Laboratory (Nogi, Tochigi) and launched operations
    Biochemical Research Laboratory
    Closed Katsushika Office and Toda Research Laboratory
    Launched sales of automated urine analyzer
    "US-2100"
  • Established the Kurozumi Medical Foundation (K M F), presented first research grants
    Launched sales of "LZ Series" reagents for clinical chemistry analyzers using the latex agglutination reaction
    Launched sales of "Lumispot AL-1000" chemiluminescent immunoassay analyzer and dedicated reagents
    Began overseas expansion of fecal immunochemical test reagents and analyzer business
  • Launched sales of fecal immunochemical test reagents for manual
    "OC-Hemocatch 'Eiken'"
  • Launched sales of "US-3100" and "US-3200" fully-automated urine analyzer and "Uropaper α II 'Eiken'" dedicated reagents
  • Announced development of LAMP method new gene amplification technology
    Launched sales of "US-2100R" automated urine analyzer
  • Launched sales of "OC-SENSOR μ(Micro)" fully-automated fecal occult blood analyzer
  • Terminated sales agreement with Tanabe Seiyaku, began in-house sales of in vitro diagnostics and equipment (terminated capital alliance in 2007)
    Launched sales of "OC-SENSOR neo" fully-automated fecal occult blood analyzer
    Launched sales of "US-3100R" fully-automated urine analyzer
  • Selected as one of the specified brands of the Tokyo Stock Exchange First Section
    Launched sales of "Loopamp Series" genetic testing reagents and measurement equipment utilizing LAMP
    "Loopamp Bovine Embryo Sexing Kit"
  • Launched sales of for LAMP-based in vitro diagnostics

    "Loopamp SARS-CoV detection kit"

  • Established EIKEN SHANGHAI CO., LTD. (currently EIKEN CHINA CO., LTD.)
    EIKEN SHANGHAI CO., LTD.
  • Acquired ISO13485 and ISO9001 certifications
    Executed a joint development contract with FIND for a rapid genetic tuberculosis detection method based on the LAMP method
    Launched sales of "US-1000" automated urine analyzer
  • Executed a business partnership agreement and capital alliance with Otsuka Pharmaceutical Co., Ltd.　　
    Launched sales of "Dry Plate 'Eiken' 192" bacterial drug sensitivity testing reagent plates
    "Dry Plate 'Eiken' 192" plates
  • Participated in planning for the BRAVE CIRCLE campaign to eradicate colorectal cancer
    Merged with EIKEN KIZAI CO., LTD., previously a subsidiary
    Appointed Tetsuya Teramoto as President and CEO
    Tetsuya Teramoto
    Launched sales of "OC-SENSOR DIANA" fully-automated fecal occult blood analyzer
    Launched sales of "US-3300" fully-automated urine analyzer
  • Relocated headquarters and integrated three Tokyo offices (Taito-ku, Tokyo)
    Successfully developed the procedure for ultra rapid extraction method (PURE method) for use with the LAMP method
    Launched sales of "US-2200" automated urine analyzer
    Launched sales of "US-3100Rplus" fully-automated urine analyzer
  • Launched sales of "LoopampEXIA (LA-500)" real-time turbidimeter for LAMP
    "LoopampEXIA"
    Launched sales of "OC-SENSOR io" fully-automated fecal occult blood analyzer
  • Acquired ISO14001 certification
  • Established Europe office in Amsterdam, Holland
  • Completed Operation Management Center (OMC Building) at the Nogi Division and launched operations
    OMC Building
    Launched sales of "Immunocatch Series" rapid diagnostics test kits
    "Immunocatch-Noro"
    Launched sales of fully-automated bioluminescent enzyme immunoassay analyzer and dedicated reagents
    "BLEIA-1200"
  • Appointed Morifumi Wada as President and CEO
    Morifumi Wada
    Launched sales of "OC-SENSOR PLEDIA" fully-automated fecal occult blood analyzer
    "OC-SENSOR PLEDIA"
  • Began development of compact, next-generation fully-automated genetic testing equipment and multi-item testing chips utilizing LAMP
    Launched sales of "US-3500" fully-automated urine analyzer
    "US-3500"
  • Formed a tie-up with Sysmex Corporation for the urine chemistry testing business in overseas markets
    Executed global distribution contracts for tuberculosis and malaria genetic diagnostic reagents and equipment use of the LAMP method through agreement with HUMAN, Germany
    Completed Dried Product Plant (DPP Building) at the Nogi Division, established an expanded production line for urinalysis test strips
    DPP Building
    LAMP-based tuberculosis molecular diagnostics (TB-LAMP) recommended by WHO
    WHO recommendation
    Launched sales of "US-1200" automated urine analyzer
  • Conducted preparations for expanding the Nogi Division
    "Modern Media" academic information magazine reached 750 volumes

  • 1stQuarter

EIKEN CHEMICAL CO.,LTD, | EIKEN CHEMICAL 80th anniversary
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