nasdaq cohr industry photonics founded 1966 headquarters santa clara california united states area served worldwide key people dr. john r. ambroseo phd products lasers revenue us 802 m 2011 1 number of employees 2 309 2011 1 website www.coherent.com coherent inc is a company with headquarters located in santa clara california united states with other sites located in the us europe and asia . 2 it was founded in 1966 by eugene watson as a spin off from laser company spectra physics 3 and converted to public ownership in 1970 . the company designs manufactures and markets laser systems and components laser measurement and control products optics and laser accessories which are used both in industry and scientific research . according to the company s 2011 sec filing 2 their markets are the microelectronics industry e.g. flat panel display manufacturing integrated circuit packaging and integrated circuit inspection scientific research oem components and materials processing e.g. co2 lasers for cutting metals . contents 1 history 2 intellectual property 3 restatements 4 references 5 external links history edit over the years coherent was involved in a number of mergers and acquisitions . 4 some of these were reported the mainstream media such as the sale of a business unit to esc medical systems for us 203 million in 2001 5 and the purchase of a unit from palomar medical technologies for us 65 million in 1998 . 6 in 2008 coherent shut down an optics manufacturing site in auburn california after selling some of the activities to research electro optics inc. 7 intellectual property edit according to the us patent office 388 patents are registered to coherent inc as of 2012 . 8 coherent has been involved in various lawsuits on patents . in 1998 coherent made a cross licensing deal with spectra physics . 9 also in 1988 coherent agreed to pay royalties for use of patents owned by patlex corporation . 10 restatements edit on april 26 2005 coherent inc.announced to restate its financial statements for fiscal years 2000 through 2004 and the first quarter of fiscal 2005 to correct its accounting for its deferred compensation plans . references edit a b coherent profile on yahoo finance . a b 10 k sec filing for coherent inc. 30 november 2011 . eugene watson on the founding of coherent . retrieved 2009 12 08 . coherent inc. mergers and acquisitions . alacrastore.com . esc medical agrees to purchase unit of coherent . new york times 2001 palomar to sell hair removal laser unit to coherent . new york times 1998 coherent laying off 144 as it prepares to shut auburn plant . sacramento business journal august 3 2008 uspto search for coherent inc. patent rift settled . new york times 1988 coherent agrees to laser royalties . new york times 1988 external links edit official website retrieved from https en.wikipedia.org w index.php title coherent inc. & oldid 726800901 categories companies listed on nasdaqphotonics companiesoptics manufacturing companies navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages deutsch edit links this page was last modified on 24 june 2016 at 13 42 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view