===Aircraft manufacturing during and after
World War II=== The company between 1939 and 1941 developed several
gliders,
autogyros and research aircraft for the
Imperial Japanese Army. These are: •
Kimura HK-1 •
Kayaba Ku-2 •
Kayaba Ku-3 •
Kayaba Ku-4 •
Kayaba Ka-Go •
Kayaba Ka-1 •
Kayaba Ka-2 After the war, in 1954, the company built a
gyrodyne, named
Kayaba Heliplane. The development of this aircraft started in 1952 when Shiro Kayaba, the founder of the company, obtained the fuselage of a
Cessna 170B and, over the course of two years, turned it into a
convertiplane. ==Scandal==