Tatsuo Hasegawa

Tatsuo Hasegawa (長谷川 龍雄, Hasegawa Tatsuo, 8 ga Fabrairu, 1916 - 29 ga Afrilu, 2008) ya kasance injiniyan mota na Japan, kuma an san shi da shugaban ci gaban Toyota Corolla na farko . Ya gina tushen motocin tattalin arziki a Japan ta hanyar ci gaban Corolla da Toyota Publica . 

 Shekaru na farko 
An haifi Tatsuo Hasegawa a Tottori, Tottori Prefecture a ranar 8 ga Fabrairu, 1916. Bayan ya yi karatu a fannin aerodynamics a matsayin dalibi mai tallafawa kansa, ya kammala karatu daga Sashen Aeronautics na Faculty of Engineering a Jami'ar Tokyo Imperial a 1939. 

 Tachikawa Ki-94 
Bayan kammala karatunsa, Hasegawa ya shiga kamfanin Tachikawa Aircraft Corporation kuma ya shiga cikin ci gaban Tachikawa Ki-94 a 1943 a matsayin babban mai tsarawa. An tsara wannan Jirgin sama mai tsayarwa mai tsawo don tsayar da bama-bamai na B-29 na Amurka, kuma an ba da shawarar ga Sojojin Imperial na Japan. Kodayake an kammala jirgin sama daya a watan Agustan 1945, Yaƙin Duniya na II ya ƙare kafin jirgin ya fara tashi.[1]

Kafin fara ci gaban Ki-94, H ya T jirgin sama bisa ga ka'idarsa, kuma ya buga takarda a cikin mujallar masana ta Japan Society for Aeronautical Sciences (yanzu The Japan Society for Aironautical and Space Sciences) a watan Maris, 1942. Ya ba shi suna "TH airfoil theory" bayan sunansa (Tatsuo Hasegawa). Hasegawa ya yi amfani da "TH airfoil" a kan Ki-94. [1]

Ka'idar Hasegawa ta yi kama da ka'idar Supercritical airfoil wanda NASA za ta bunkasa daga baya a cikin shekarun 1960. Saboda wannan dalili, lokacin da NASA ta gabatar da takardar shaidar takardar shaidarsa don jirgin sama a Japan a 1979, ba a shigar da takardar izinin su a hukumar ba.

 Toyota 
Hasegawa ya rasa aikinsa bayan karshen yakin duniya na biyu saboda an hana Japan kera jirgin sama a karkashin umarnin Babban Hedikwatar (GHQ) na Janar Douglas MacArthur. Koyaya, a cikin 1946, Hasegawa ta yi aiki da Toyota wanda ke daukar injiniyoyi a wannan lokacin.

Bayan ya shiga Toyota, Hasegawa ya shiga cikin ci gaban Toyopet Crown a matsayin mataimakin shugaban (fuku-Shusa) na ci gaba a karkashin shugabansa (Shusa), Kenya Nakamura .  

A lokacin ci gaban Crown, an gabatar da salon Shusa (manajan kayan) na ƙungiya a karon farko.  An yi imanin cewa an haɓaka wannan tsarin ne daga Babban tsarin mai tsarawa na ci gaban mayaƙa da aka yi amfani da shi a lokacin Yaƙin Duniya na II.初代カローラ開発の長谷川龍雄氏による「主査10ヶ条」 (in Japanese). NB online. 2006-08-29. Archived from the original on 2006-09-06. Retrieved 2008-05-07.
Category:CS1 uses Japanese-language script (ja)
Category:CS1 Japanese-language sources (ja)
Hasegawa daga baya ya jagoranci ci gaban samfuran ƙarni na farko na Toyota Publica, Sports 800, Corolla, Celica da Carina, a matsayin shugaban (Shusa). Akio Hasegawa, son of Tatsuo Hasegawa (2008-05-07). "My Father Tatsuo Hasegawa (1916 - 2008)". Retrieved 2008-05-07. Ya kuma shiga cikin motar Toyopet SKB, wanda ya riga ya zama Toyota Dyna

An ci gaba da shi zuwa babban manajan ofishin tsara kayayyaki da kuma babban darektan, kuma ya yi ritaya daga masana'antar mota a shekarar 1982. Akio Hasegawa, son of Tatsuo Hasegawa (2008-05-07). "My Father Tatsuo Hasegawa (1916 - 2008)". Retrieved 2008-05-07.

 Manazarta 

Rukuni:Shafuka masu fassarorin da ba'a duba ba