Kaikaku - breakthrough rapid improvement, radical improvement. Kaikaku is about large rapid improvement, similar to innovation, though innovation is not necessary for Kaikaku. Sought in addition to Kazien (continual improvement not in place of Kaizen.
A "kaizen blitz" in which everyone focused on a defined process or area for improvement for a short period of time (normally a day or two) would be better called Kaikaku but the term "kaizen blitz" is commonly used.
Norman Bodek has an excellent book titled, Kaikaku, as is his blog. Read an excerpt from his book: The Best Factory in the World. Related Terms: