Koizumi Industries

Koizumi Industries is a company that produces aircraft. It was founded in 1928 and developed planes for the Imperial Japanese Army and Navy during World War II.

History
The Koizumi Aircraft Company (古泉飛行機株式会社) was founded in 1928 by Koizumi Noboru, which produced aircraft for commercial and military use.

World War II
During World War II, Koizumi produced a numerous amount of aircraft, including the mass-produced KS9K Kyusen and Ba31K Asamoya.

Military Airplanes

 * Koizumi KS9K Kyusen
 * Koizumi Se96K Tsubame
 * Koizumi Ba31K Asamoya
 * Koizumi KB45K
 * Koizumi He101K Kinmokusei

Commercial Airplanes

 * TBA

Plane designations:
KS: Carrier Fighter (艦上戦闘機)

S/Se: Fighter (Land-based) (戦闘機戦闘機)

KB: Carrier Bomber (艦上爆撃機)

B/Ba: Bomber (Land-based) (陸上攻撃機)

He: Special weapon (兵器)

Model designations:
Model 0-30 (KS)

Model 31-40 (Ba)

Model 41-60 (KB)

Model 61-100 (Se)

Model 101-120 (He)

* Once the model limit is reached, newer planes will take on the same model number as an older plane