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Watkins-Johnson Company was a designer and manufacturer of electronic devices, systems, and equipment. The company, commonly referred to as "W-J", was formed in 1957 by Dean A. Watkins and H. Richard Johnson, and was headquartered in Palo Alto, California. Its products included microwave tubes, followed by solid-state microwave devices, electronic warfare subsystems and systems, receiving equipment, antennas, furnaces and semiconductor manufacturing equipment, and automated test equipment.〔(【引用サイトリンク】url=http://www.fundinguniverse.com/company-histories/watkins-johnson-company-history/ )〕 ==History== Partial Corporate Timeline * December 1957: Watkins-Johnson Company was founded〔 * June 1963: Acquired Stewart Engineering Company, a manufacturer of backward-wave oscillators〔 * Fall 1967: Acquired Communication Electronics, Inc. (CEI) of Rockville, Maryland, producer of receivers and related equipment〔 * June 1968: Listed on New York Stock Exchange〔 * 1970: Acquired RELCOM, manufacturer of electronic components such as mixers〔 * 1970: Acquired antenna product line from Granger Associates * 1978: Opened plant in San Jose, California * April 1995: Microwave surveillance systems unit sold to Condor Systems, Inc. * October 1997: Military devices and subsystem businesses sold to Stellex Industries * July 1999: Semiconductor Equipment Group sold to Silicon Valley Group * August 1999: Telecommunications Group sold to Marconi North America * October 1999: Wireless Products Group sold to Fox-Paine and Company * August 2000: Initial Public Offering of WJ Communications, W-J successor, by Fox-Paine on NASDAQ〔(【引用サイトリンク】url=http://www.nasdaq.com/markets/ipos/company/wj-communications-inc-10023-2672 )〕 * March 2008: WJ Communications acquired by TriQuint Semiconductor〔(【引用サイトリンク】url=http://www.siliconbeat.com/2008/03/11/watkins-johnsons-legacy-sold-for-1-a-share/ )〕〔(【引用サイトリンク】url=http://www.triquint.com/company/history/WJHistory.cfm )〕〔(【引用サイトリンク】url=http://seekingalpha.com/article/67916-triquint-acquires-ailing-wj-communications )〕 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「Watkins-Johnson Company」の詳細全文を読む スポンサード リンク
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