Huru yaenda, uye ndeyekuti Michihiro ndiye akatanga uye anotungamira Sigma kubva pazuva rayo rekutanga, asi zvinosuwisa kuti akatisiya.
Sigma yakaburitsa pachena tsamba yepamutemo kuti ndinokusiya pazasi -via DSLRMagazine-:
«Michihiro Yamaki paakatanga Sigma Corporation musi waGunyana 9, 1961, pazera remakore makumi maviri nemanomwe
Makore apfuura, Sigma ndiye aive mudiki uye mudiki pane vanopfuura makumi mashanu vagadziri velenzi uye vashanduri vaivapo panguva iyoyo muJapan. Yake manejimendi manejimendi uye kushingairira kwakakurudzira vamwe vake nevashandi zvakafanana, uye izvi zvaive, muchikamu chikuru, izvo zvakaita kuti SIGMA Corporation ive inotungamira mhando mukugadzira lenzi.
Yamaki yakavamba Sigma Corporation munaGunyana 9, 1961 pamwe nekuvandudzwa kweyekutanga gare gare lens inoshandura, kana "teleconverter." Panguva iyoyo, vafotori vazhinji vaitenda kuti lens inoshandura yaigona kungove yeafocal, iyo mhando yaigona kungosungirirwa kumberi kwekamera lens, uye 27-gore-rekutanga injiniya, vakaisa Optical dzidziso kumusoro. Sigma Corporation yakapemberera gore rechimakumi mashanu mugore ra50 naVaMichihuro Yamaki vachiri pachigaro chekambani.
Mumakore ake ese muindasitiri yekutora mifananidzo, Yamaki akatarisa mukugadzira yepamusoro-soro, tekinoroji yemifananidzo pamitengo ine mwero. Chinangwa chake chekambani chagara chiri chekuita chemhando yepamusoro chifananidzo kune vese vateveri. Kusvika pane izvi, akabudirira mukukurisa Kambani kubva kusangano remhuri-kuenda kune anotungamira wekutsvagisa mupi, mugadziri, mugadziri uye mupi webasa wemalensi, makamera uye kupenya. Iyo kambani yave kuzivikanwa seyakagadzika yakazvimirira inogadzira lenzi dzinochinjika pasirese, parizvino inogadzira anopfuura makumi mashanu emhando dzemalensi dzinoenderana nevazhinji vagadziri, kusanganisira Sigma, Canon, Sony, Nikon, Olympus, Pentax uye Sony.
Muna 2008, pasi pehutungamiriri hwaVaMichihuo Yamaki, Sigma Corporation yakatenga Foveon, kambani iri kuCalifornia inozivikanwa nekuvandudza tekinoroji yemifananidzo yeX3, inozivikanwa se "Foveon." Iyi patentiki, matatu-matatu tekinoroji mune yemufananidzo sensor inotora ese RGB ekutanga mavara mune yega pikisheni yakarongedzwa mumatatu matatu - kwete iyo Bayer pateni - kuburitsa yakanakisa resolution yepamusoro, yakakwira tsananguro mifananidzo ine inoshamisa mativi-matatu-ehunyanzvi ruzivo uye yakapfuma gradation. Gore rapfuura, kambani yakazivisa kusvika kweiyo SD1, yechimurenga modhi, ine 46 megapixel yakananga mufananidzo sensor, ichipa akawanda megapikisi kupfuura chero imwe dhijitari SLR mune 35mm kumisikidzwa parizvino pamusika. Sigma Corporation yakaramba iine dingindira rekugadzirisa zvikanganiso muindasitiri uye zvinodiwa nevatori vemifananidzo, kutanga 2012 nekumisikidzwa kweNeo nhepfenyuro, dhijitari (DN) kubva kuCSC mutsara weMicro Four Third uye Sony Montutra E.
Pachiitiko chakapfuura munaGunyana muJapan kupemberera makore makumi mashanu ekambani, Michihiro Yamaki akatora mukana wekutenda kutenda kwake kune vese vakaita kuti kubudirire uku.
Michihiro Yamaki akapedza hupenyu hwake hwese muKambani yake uye aida basa rake. Hutsva hwakawanda muindasitiri imhaka yekukanganisa kwayo. Gore rapera, akaremekedzwa nekuzvipira kwake kumabhizimusi ekutora mifananidzo uye emifananidzo neiyo Photokina goridhe tsono kana pini. Naiye isu takarasikirwa nepiyona weiyo indasitiri yemifananidzo. Vashandi veSigma kutenderera pasirese SIGMA vanochema mukuru wavo uye shamwari kubva kukambani.
Uye zvakare, Va Yamaki vakashandira mamwe maEntity mazhinji se: Japan Photographic Enterprises Association, Japan Machinery Design Center, Japan Optomechatronics Association, Photographic Society yeJapan, uye Japan Camera Industry Institute. Akange akudzwa nekukudzwa kwe "Munhu wegore" mubairo kubva kuThe Photoimaging Manufacturers & Distributors Association (PMDA), uye ne "Hall of Fame" mubairo kubva kuInternational Photographic Council (IPC).