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Beckman Coulter Inc., is an American company that makes biomedical laboratory instruments. Founded by Caltech professor Arnold O. Beckman in 1935 as National Technical Laboratories to commercialize a pH meter that he had invented, the company eventually grew to employ over 10,000 people, with $2.4 billion in annual sales by 2004. Its current headquarters are in Brea, California. ==History== In the 1940s, Beckman changed the name to Arnold O. Beckman, Inc. to sell oxygen analyzers, the ''Helipot'' precision potentiometer, and spectrophotometers. In the 1950s, the company name changed to Beckman Instruments, Inc.. In 1954, Beckman Instruments acquired ultracentrifuge maker Spinco (Specialized Instruments Corp.). The Spinco division went on to design and manufacture a broad range of laboratory centrifuges.〔Arnold Thackray and Minor Myers, Jr. ; foreword by James D. Watson. (2000). Arnold O. Beckman : one hundred years of excellence. Philadelphia, Pa.: Chemical Heritage Foundation. ISBN 978-0-941901-23-9.〕 In 1955, Beckman established the seminal Shockley Semiconductor Laboratory as a division of Beckman Instruments to begin commercializing the semiconductor transistor technology invented by Caltech alumnus William Shockley. Because Shockley's aging mother lived in Palo Alto, California, the Shockley Laboratory was established in nearby Mountain View, California, and thus, "Silicon Valley" was born. In 1961, Beckman acquired Offner Electronics, a company founded by inventor Franklin F. Offner. In 1982, the company merged into SmithKline to form SmithKline Beckman, with Arnold Beckman as vice chairman, but regained its independence in 1989 after SmithKline merged with ''Beecham Group'' to form SmithKline Beecham (now part of GlaxoSmithKline). In 1995, the company acquired Hybritech, Inc. from Eli Lilly. In 1996, the company acquired the Sanofi portion of Sanofi Pasteur Diagnostics. In 1998, the company acquired ''Coulter Corporation'', a company founded by Wallace H. Coulter, the inventor of the Coulter counter. Beckman, thereafter, changed its name to Beckman Coulter. In 2005, the company acquired Diagnostic Systems Laboratories (DSL) based in Webster, Texas. In 2006, the company acquired Lumigen and Agencourt Bioscience. In 2007, the company acquired the Flow Cytometry Business Group of Dako North America, Inc. In 2009, the company acquired Lab-based Diagnostics business of Olympus Corporation Japan. In 2009, the company moved its world headquarters from Fullerton, California to the newly renovated facility in Brea, California. In February 2011, Danaher announced that it has entered into a definitive merger agreement with Beckman Coulter.〔http://www.danaher.com/news/news_detail.asp?key=399〕 On June 30, 2011, Danaher finalized the acquisition of Beckman Coulter.〔http://phx.corporate-ir.net/phoenix.zhtml?c=82105&p=irol-newsArticle&ID=1581181&highlight=〕 On February 1, 2015, the company finalized the acquisition of MicroScan from Siemens Healthcare〔http://www.emdt.co.uk/daily-buzz/danaher-group-buys-siemens-microbiology-unit〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Beckman Coulter」の詳細全文を読む スポンサード リンク
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