Doi's Kaizen activities are expressed in stories as each topic

• Company-wide deployment of final assembly leveling system (Heijunka) Establishment of Just-In-Time production/sales
• Company-wide deployment of subsequent process pull system and Kanban system based on leveled production (Heijunka), that Is also beneficial for suppliers.
• Kaizen by one-piece-flow production and standard work
• Single Digit Minute Set-Up
• True TPM
• Development of a work environment where people feel their lives are worth living
• All Employee proactively participated Kaizen (shop floor, entire factory, and company)
• Constitutional, cultural Kaizen
• Kaizen of production preparation　
• Office KAIZEN
• Standardization and Autonomation (Jidouka)
• Development of machining technology
• Improve operational availability rate.
• Farewell to Isuzu Motors. My new challenge to the world!

4.Don’t trap a person in a cage.
Regard this as house chores……