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Masaaki Imai (今井 正明, Imai Masaaki), 1930–2023, was a Japanese organizational theorist and management consultant known for his work on quality management, specifically on kaizen. Known as the father of Continuous Improvement (CI), Masaaki Imai has been a pioneer and leader in spreading the kaizen philosophy all over the world. [1 ...
A kaizen process. Some successful implementations use the approach known as kaizen (the translation of kai ('change') zen ('good') is 'improvement'). This method became famous from Imai's 1986 book Kaizen: The Key to Japan's Competitive Success. [7] Key features of kaizen include:
A3 problem solving is a structured problem-solving and continuous-improvement approach, first employed at Toyota and typically used by lean manufacturing practitioners. [1] It provides a simple and strict procedure that guides problem solving by workers. The approach typically uses a single sheet of ISO A3-size paper, which is the source of its ...
Kaizen also applies to processes, such as purchasing and logistics, that cross organizational boundaries into the supply chain. [1] Kaizen aims to eliminate waste and redundancies. Kaizen may also be referred to as zero investment improvement (ZII) due to its utilization of existing resources. [2]
Kaizen is based on the involvement of all employees, wherein singular changes typically do not improve major production metrics above a 20% threshold. A cross between Kaikaku and Kaizen is Kaizen Blitz (or Kaizen Events), which targets a radical improvement in a limited area, such as a production cell, typically during an intense week.
The principles of the Toyota Way are divided into the two broad categories of continuous improvement and respect for human resources. [7] [8] [9] The standards for constant improvement include directives to set up a long-term vision, to engage in a step-by-step approach to challenges, to search for the root causes of problems, and to engage in ongoing innovation.
Quality circles are generally free to select any topic they wish (other than those related to salary and terms and conditions of work, as there are other channels through which these issues are usually considered). [7] [8] Quality circles have the advantage of continuity; the circle remains intact from project to project.
Kaizen costing is a cost reduction system used a product's design has been completed and it is in production. [1] Business professor Yasuhiro Monden [ 2 ] defines kaizen costing as The maintenance of present cost levels for products currently being manufactured via systematic efforts to achieve the desired cost level.