The most notable work of Ishikawa is the Ishikawa/Fishbone/Cause & Effect Diagram (they're all the same).
The Ishikawa diagram is a control tool to let you know why something happened or why something might happen.
It is called a Fishbone diagram because it resembles the skeleton of a fish.
Rika Ishikawa's birth name is Ishikawa Rika.
Melody Miyuki Ishikawa's birth name is Melody Miyuki Ishikawa.
Miyuki Ishikawa was born in 1897.
Kinichiro Ishikawa died in 1945.
Taeko Ishikawa was born in 1975.
Kazuyoshi Ishikawa was born in 1982.
Hiroshi Ishikawa was born in 1963.
Hiromi Ishikawa was born in 1961.
Tomohiro Ishikawa was born in 1973.
Ishikawa Toyonobu was born in 1711.
Ishikawa Toyonobu died in 1785.
Kōyō Ishikawa was born in 1904.