Kaikaku

Kaikaku (改革), is the Japanese term for "radical change". In business, Kaikaku is concerned with making fundamental and radical changes to a production system, unlike Kaizen which is focused on incremental changes. Both Kaizen and Kaikaku can be applied to activities other than production.

Introduction

Kaikaku and Kaizen are concepts in Japanese production philosophy that relate to each other. Both have origins in the Toyota Production System.

Kaikaku means a radical change, during a limited time, of a production system. Kaizen, on the other hand, is a system of incremental production system changes, often with the primary goal of solving team-related problems. Kaizen is based on all employees involvement wherein singular changes generally reach an improvement of less than 20%. A cross between Kaikaku and Kaizen is Kaizen Blitz (or Kaizen Events), which target a radical improvement in a limited area, such as a production cell, typically during an intense week.

Kaikaku means that an entire business is changed radically, typically in the form of a project. Kaikaku is most often initiated by management, since the implementation and the result will significantly impact business. Kaikaku is about introducing new knowledge, new strategies, new approaches, new production techniques or new equipment. Kaikaku can be prompted by external factors, e.g. new technology or market conditions. Kaikaku can also be initiated when management judges that diminishing improvements from ongoing Kaizen efforts suggest a need for more radical change. Kaikaku projects often result in improvements in the range of 30-50% and a new base level for continued Kaizen. Kaikaku may also be called System Kaizen.

Kaikaku projects can be of four different types:[1] [2]

  • Locally innovative implementation - e.g., introducing a production robot, well-known to the industry, but new to the company
  • Locally innovative methodology - e.g., introducing Six Sigma or TPM methods, well-known to the industry, but new to the company
  • Globally innovative implementation - e.g., introducing a new robot design to the industry
  • Globally innovative methodology - e.g., introducing a new production theory to the industry
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See also
  • Kaizen
  • Pivot (Lean Startup)
  • Lean Hospital

References
  1. Yamamoto, Yuji (2013-09-27). Kaikaku in production toward creating unique production systems (PDF) (Thesis). Mälardalens Högskola. OCLC 868484274. Retrieved 2019-02-04.
  2. Yuji Yamamoto, Monica Bellgran (2013). Pedro Filipe do Carmo Cunha (ed.). Four types of manufacturing process innovation and their managerial concerns (PDF). Forty Sixth CIRP Conference on Manufacturing Systems 2013 ( ). Procedia CIRP 7. Elsevier B.V. pp. 479–484. doi:10.1016/j.procir.2013.06.019. Retrieved 2019-02-04.CS1 maint: uses authors parameter (link)
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