Itoh Chu Koku Seibi Kabushiki Kaisha
Established in December 1952 as Itoh Chu Koku Seibi Kabushiki Kaisha to maintain and repair light aircraft. In 1960 produced the N-58 Cygnet light cabin monoplane designed by students at Nihon University. Aided in development of, and produced, N-62 Eaglet four-seater also designed at Nihon University. Late in 1968 converted a number of North American T-6 Texan trainers to represent Nakajima B5N torpedo-bombers for film Tora! Tora! Tora! Adopted Shin Nihon Koku Seibi Kabushiki Kaisha name on May 29,1970, thereafter concentrating on manufacture of aircraft equipment.