Hello. I'm Industrial Engineer with long experience in production control of Japanese Automotive industry. I'm expert in TPS, I was incharge on design and control of many manufacture process base on Jit, Kanban, Std work, Kaizen, 4S, Jidoka, Heijunka, etc. I makes many Projects controls, from the vehicles launch and process development. Concerning to especific Japanese cost method I am not sure that you referred, but all of cost related to those process improvement and application I know its. Let me know details of your project to judge my support.