native name hoya type public kk traded as tyo 7741 topix 100 component industry precision instruments founded hoya japan november 1 1941 ; 74 years ago 1941 11 01 founders shoichi yamanaka shigeru yamanaka headquarters shinjuku ku tokyo 161 8525 japan key people hiroshi suzuki president and ceo products optical instruments medical equipment electronic components revenue jp 490 billion fy 2014 us 4.1 billion fy 2014 net income jp 92.8 billion fy 2014 us 777 million fy 2014 number of employees 34 635 as of march 31 2015 website official website footnotes references 1 2 3 hoya corporation hoya hoya kabushiki gaisha is a japanese company manufacturing optical products such as photomasks photomask blanks and glass magnetic memory disks contact lenses and eyeglass lenses using wavefront technology clarification needed for the health care market 4 medical photonics 5 lasers photographic filters and software . hoya corporation is one of the forbes global 2000 leading companies 6 and industry week 1000 company . 7 hoya acquired the camera company pentax in 2007 for the price of us 1 billion about 10 % more than pentax was valued at the time . in june 2010 the grandson of the corporation s founder yutaka yamanaka 8 proposed changes to the board of directors to prevent what he called such mistakes from happening again . 9 10 on october 1 2011 hoya sold its pentax camera business to ricoh . 11 12 contents 1 history of hoya pentax merger 2 business ethics and corporate social responsibility 3 see also 4 references 5 external links history of hoya pentax merger edit hoya discussed a merger with pentax into hoya pentax hd corporation during 2007 . hoya s primary goal was to strengthen its medical related business by taking advantage of pentax s technologies and expertise in the field of endoscopes intraocular lenses surgical loupes biocompatible ceramics etc. it was speculated that pentax s camera business could be sold off after the merger . the merger was initially intended to be completed by october 1 2007 . 13 however pentax management decided to not pursue the originally planned share swap and other options for a merger were discussed . 14 on may 25 the pentax board of directors accepted hoya s offer for a merger . 15 on august 6 2007 hoya completed a friendly takeover bid for pentax and acquired 90.59 % of the company . 16 on october 29 2007 hoya and pentax announced that pentax as the company ceasing to exist will merge with and into hoya on march 31 2008 . 17 the acquired pentax surveying instrument business later it asahi co. ltd. and camera business now pentax ricoh imaging co. ltd. were sold to taiwan instrument co. ltd. in 2009 and ricoh co. ltd. in 2011 respectively . business ethics and corporate social responsibility edit in 2008 the glass disk subsidiary in thailand was involved in a labour dispute . after the involvement of some customers the dismissed workers were reinstated and both management and union accepted to participate in harmonious communication . 18 see also edit japan portal electronics portal engineering portal companies portal list of companies of japan references edit corporate profile . hoya corp. retrieved september 24 2015 . company snapshot . bloomberg l.p. retrieved september 24 2015 . financials . bloomberg l.p. retrieved september 24 2015 . home . hoyalux id . retrieved august 10 2014 . hoya photonics inc . hoyaphotonicsinc.com . retrieved august 10 2014 . company profile . forbes . retrieved september 24 2015 . the 2013 industryweek 1000 . industryweek . penton media . june 7 2013 . retrieved august 10 2014 . yutaka yamanaka january 8 2012 . yutaka yamanaka s opinion our pension is in danger . yutakayamanaka.blogspot.com . retrieved august 10 2014 . alpeyev pavel ; ueno eijiro may 27 2010 . hoya founder s grandson calls pentax acquisition failure seeks reforms . bloomberg . bloomberg l.p. retrieved may 27 2010 . business news stock market & financial advice . businessweek . bloomberg l.p. retrieved august 10 2010 . reisinger don july 1 2011 . hoya sells off pentax digital camera business . cnet . retrieved july 1 2011 . hoya announces closing of sale of the pentax imaging systems business . hoya corp. october 1 2011 . retrieved january 27 2012 . hoya and pentax to merge . digital photography review . december 21 2006 . retrieved may 16 2015 . hoya pdf . hoya corp. retrieved may 16 2015 . pentax finally accept hoya offer . digital photography review . may 25 2007 . retrieved september 24 2015 . notice regarding the results of the tender offer for the shares of pentax corporation and change of subsidiary pdf . hoya corp. august 7 2007 . retrieved august 7 2007 . public notice of execution of merger agreement pdf . hoya corp. & pentax corp. october 29 2007 . retrieved october 31 2007 . overeem pauline november 2009 . on the spot hoya glass disk thailand a long road to unionisation . goodelectronics . retrieved may 16 2015 . external links edit wikimedia commons has media related to hoya corporation . official website company history books shashi . shashi interest group . april 2016 . wiki collection of bibliographic works on hoya corporation v t e electronics industry in japan companies current alaxala networks alinco alps alpine anritsu aor audio technica brother canon casio citizen watch cosina d & m holdings denon marantz daikin dainippon screen denso dnp eiki eizo elpida esp guitars fanuc fostex fuji electric fujifilm fuji xerox fujitsu fujitsu ten funai furuno futaba hamamatsu photonics hirose electric hitachi clarion hitachi maxell hoya ibanez icom ikegami tsushinki i o data iwatsu japan display jeol jrc jr propo jvc kenwood jvc kenwood kawai keyence kiramek konica minolta ko propo korg kyocera luxman mabuchi motor mamiya maspro melco minebea mitsubishi electric mitsumi electric murata manufacturing mutoh nakamichi nec nec casio mobile communications nichia nichicon nidec nidec copal corporation nikon nintendo nitto denko oki olympus omron onkyo orion electric panasonic pioneer pixela renesas electronics ricoh pentax rohm roland rubycon sansui sanwa electronic sega sammy sega seiko group pulsar seiko seiko epson seiko instruments sharp shimadzu sigma sony sony interactive entertainment snk playmore star micronics stax sumitomo electric taiyo yuden tamron tdk teac tiger tokyo electron topcon toshiba uniden wacom yaesu yagi uda yamaha yaskawa zojirushi zoom zuken defunct aiwa akai bronica chinon contax konica minolta national norita okaya optical sanyo other electronic industries association of japan incj japan electronic industries development association japan electronics and information technology industries association category v t e topix 100 companies of japan core 30 7 & i astellas canon denso fanuc hitachi honda jr central jr east jt kddi mitsubishi corporation mitsubishi estate mitsui & co. mitsui fudosan mizuho mufg murata nissan nomura ntt ntt docomo panasonic shin etsu softbank sony sumitomo mitsui financial takeda tokio marine toyota large 70 on ajinomoto ana asahi breweries asahi kasei bank of yokohama bridgestone chubu electric power dai ichi life daiichi sankyo daikin daito trust construction daiwa house daiwa securities eisai fast retailing fujifilm fuji heavy industries fujitsu hoya inpex isuzu itochu japan airlines jr west jfe jx kao kepco keyence kirin komatsu kubota kyocera marubeni mazda mitsubishi chemical mitsubishi electric mitsubishi heavy industries ms & ad nidec nintendo nitto denko nssmc ono pharmaceutical oriental land orix osaka gas otsuka pharmaceutical rakuten resona secom sekisui house shionogi shiseido smc sompo holdings sumitomo corporation sumitomo electric sumitomo metal mining sumitomo mitsui trust sumitomo realty suzuki t & d holdings tokyo electron tokyo gas toray toshiba unicharm yamato transport v t e glass makers and brands contemporary companies anchor hocking arc international ardagh group armashield asahi aurora glass foundry aventas group baccarat berengo studio blenko glass company bodum bormioli rocco borosil caithness glass cox & barnard corning dartington crystal daum edinburgh crystal effetre international fanavid fenton art glass company firozabad glass industry flabeg franz mayer fuyao glass industry group co. ltd. glava glaverbel guardian industries hadeland hardman & co. hario heaton butler and bayne holmegaard glassworks holophane hoya kingdom of crystal kokomo opalescent glass works kosta glasbruk libbey owens ford liuli gongfang lzos iittala luoyang johns manville mats jonasson m ler s moser glass mosser glass nippon sheet glass ohara orrefors osram owens corning owens illinois pa abah e pauly & c. compagnia venezia murano phu phong pilkington ppg industries preciosa riedel royal leerdam crystal saint gobain saint louis i ecam schonbek schott sterlite optical technologies steuben swarovski tyrone crystal val saint lambert verrerie of brehat waterford watts & co. world kitchen xinyi glass zwiesel historic companies bakewell glass belmont glass company boston and sandwich glass company brockway glass carr lowrey glass company cambridge glass chance brothers clayton and bell dugan glass company duncan & miller dunbar glass fostoria glass company general glass industries gus crystal alexander gibbs gr nvik glasbruk hartford city glass company hazel atlas heisey hemingray glass company j. h. hobbs brockunier and company knox glass bottle company lavers barraud and westlake manufacture royale de glaces de miroirs millersburg glass company morris & co. nachtmann northwood glass company novelty glass company old dominion glass company james powell and sons ravenhead glass the root glass company seneca glass company shrigley and hunt sneath glass company venini & c. ward and hughes westmoreland glass company wheaton industries whitall tatum company white glass company worshipful company glassmakers a. h. heisey alastair pilkington antonio neri dante marioni edward d. libbey frederick carder friedrich henry clay fry henry crimmel henry william stiegel irving wightman colburn john adams john m. whitall lino tagliapietra michael joseph owens otto schott paolo venini richard m. atwater s. donald stookey salviati tomasz urbanowicz w. e. s. turner trademarks and brands activ bohemian glass bomex duran endural burmese glass chevron bead corelle corningware cranberry glass cristallo dragontrail favrile fire king gorilla glass macor millefiori murano glass opaline glass pyrex ravenhead glass tiffany glass vitrite vitrolite vycor waterford crystal wood s glass zerodur related articles list of defunct glassmaking companies retrieved from https en.wikipedia.org w index.php title hoya corporation & oldid 730352239 categories topix 100photography companies of japanelectronics companies of japanmanufacturing companies of japanglassmaking companieslens manufacturerscontact lensescompanies based in tokyocompanies listed on the tokyo stock exchangecompanies established in 19411941 establishments in japanoptics manufacturing companiesjapanese brandsmidori kaihidden categories use mdy dates from september 2015pages using infobox company with unsupported parametersarticles containing japanese language textwikipedia articles needing clarification from july 2013commons category with local link same as on wikidata 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 in other projects wikimedia commons languages deutschfran ais italianonederlands polskiportugu s suomi edit links this page was last modified on 18 july 2016 at 13 32 . 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