Babban ya tafi, kuma shine Michihiro shine ya kafa kuma ya jagoranci Sigma tun daga ranar farko, amma abin takaici shine ya bar mu.
Sigma ya wallafa bayanin hukuma cewa na bar ku a ƙasa -via DSLRMagazine-:
«Lokacin da Michihiro Yamaki ya kafa Kamfanin Sigma a ranar 9 ga Satumba, 1961, yana da shekara 27
Shekarun da suka gabata, Sigma shine mafi ƙanƙanta kuma mafi ƙanƙanta daga cikin masana'antun sama da 50 na tabarau da masu juyowa waɗanda suka wanzu a lokacin a Japan. Salon gudanarwar sa da kishin sa ya karfafa abokan aikin sa da masu aikin su gaba daya, kuma wannan, a wani bangare mai yawa, shine ya sanya kamfanin SIGMA Corporation a matsayin babban kamfani wajen kera tabarau.
Yamaki ya kafa Kamfanin Sigma Corporation a ranar 9 ga Satumba, 1961 tare da ci gaba na farkon mai sauya ruwan tabarau na gaba, ko "teleconverter." A lokacin, yawancin masu daukar hoto sun yi amannar cewa mai canza tabarau zai iya kasancewa ne kawai, irin wanda za a iya makala shi kawai a gaban tabarau na kyamara, kuma Injiniyan gani da ido mai shekaru 27, ya sanya ka'idar hangen nesa. Kamfanin Sigma ya yi bikin cika shekaru 50 a cikin 2011 tare da Mista Michihuro Yamaki har yanzu a shugabancin kamfanin.
Yamaki a tsawon shekarunsa a masana'antar ɗaukar hoto, Yamaki ya mai da hankali kan samar da ingantaccen, fasahar ɗaukar hoto a farashi mai tsada. Burin sa ga kamfanin koyaushe shine samarda hoto mai inganci wanda duk masu daukar hoto zasu samu. A karshen wannan, ya yi nasarar haɓaka Kamfanin daga ƙungiyar mallakar dangi zuwa babban mai ba da bincike, mai haɓakawa, mai ƙira da mai ba da sabis na ruwan tabarau, kyamarori da walƙiya. Kamfanin yanzu an san shi a matsayin mafi girman kamfanin kera keɓaɓɓe na ruwan tabarau mai canzawa a duniya, a halin yanzu yana samar da samfuran tabarau sama da 50 waɗanda suka dace da yawancin masana'antun, ciki har da Sigma, Canon, Sony, Nikon, Olympus, Pentax da Sony.
A shekarar 2008, a karkashin jagorancin Mr. Michihuo Yamaki, Sigma Corporation ta sayi Foveon, wani kamfani a California wanda aka san shi da ci gaban fasahar X3 na firikwensin hoto, wanda aka fi sani da "Foveon." Wannan fasahar ta zamani, mai launuka uku a cikin firikwensin hoto tana daukar dukkan launuka na RGB a kowane pixel da aka tsara a matakai uku - maimakon tsarin na Bayer - don isar da kyakkyawar ƙuduri, hotuna masu ma'ana tare da dalla-dalla daki-daki masu girma da kuma cikakken tsari. Shekarar da ta gabata, kamfanin ya sanar da zuwan SD1, samfurin juyin juya hali, tare da megapixels 46 a cikin firikwensin hoto kai tsaye, yana ba da ƙarin megapixels fiye da kowane sauran SLR na dijital a cikin daidaitawar 35mm a halin yanzu a kasuwa. Kamfanin Sigma Corporation ya ci gaba da taken magance gibin da ke cikin masana'antar da kuma bukatun masu daukar hoto, yana farawa da shekarar 2012 tare da kaddamar da sabon tsarinsa na Neo, dijital (DN) daga layin CSC na Micro Four Thirds da Sony Montutra E.
A wani taron da ya gudana a watan Satumban da ya gabata a kasar Japan don bikin cikar kamfanin shekaru 50, Michihiro Yamaki ya yi amfani da wannan dama wajen nuna godiyarsa ga duk wadanda suka yi nasarar wannan nasarar.
Michihiro Yamaki ya yi rayuwarsa duka a Kamfaninsa kuma yana son aikinsa. Yawancin sababbin abubuwa a cikin masana'antar saboda tasirin sa ne. A shekarar da ta gabata, an girmama shi saboda jajircewarsa ga harkar daukar hoto da daukar hoto da allurar zinare ta Photokina Tare da shi mun rasa wani majagaba na masana'antar daukar hoto. Ma'aikatan Sigma a duk duniya SIGMA suna makokin shugabansu kuma abokin kamfanin.
Bugu da kari, Mista Yamaki ya yi aiki da sauran kamfanoni da yawa kamar: kungiyar masu daukar hotunan daukar hoto ta Japan, Cibiyar Zane-zanen Masana'antu ta Japan, da Japan Optomechatronics Association, Photography Society of Japan, da Japan Camera Institute Institute. Ya kasance an karrama shi da lambar yabo ta "Mutum na Shekara" na kungiyar The Photoimaging Manufacturers & Distributor Association (PMDA), da kuma lambar yabo "Hall of Fame" na International Photography Council (IPC).