hidet77Sep 7, 20213 minFinal workshop of Hajime ObaIt’s been a year since my father, Hajime Oba has passed away. One of the most surprising comments I heard this year was that Hajime Oba...
hidet77Aug 24, 20213 minCognitive BiasIn his book, "Workplace management," Taiichi Ohno mentioned that "Illusions reduce efficiencies." (The English translation used the word,...
hidet77Aug 17, 20213 minAntinomy of TPSEvery time there is a problem in Toyota’s supply chain, there is an article about why Just In Time doesn’t work. Or Toyota took...
hidet77Aug 2, 20214 minTechnical notes of the Pull systemIn my last post, I collected some episodes from pull system implementations. Episodes of "Pull System" implementations...