was a semi-automatic pistol used by the Imperial Japanese Army

Imperial Japanese Army

-Foundation:During the Meiji Restoration, the military forces loyal to the Emperor were samurai drawn primarily from the loyalist feudal domains of Satsuma and Chōshū...

 and Navy

Imperial Japanese Navy

The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

 during the First

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 and Second World Wars

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. The pistol had two variants, the Type A (also called the Type 4), and the Type 14 (南部十四年式自動拳銃).
The origins of the pistol go back to the design by General Kijiro Nambu

Kijiro Nambu

was a career officer in the Imperial Japanese Army and the founder of Nambu Arms Manufacturing Company, manufacturer of many of the firearms the Japanese military would use in World War II. A prolific small arms designer, he was sometimes called the "John Browning of Japan"...

 in 1902. He was a prolific arms designer who is sometimes called the "John Browning

John Browning

John Moses Browning , born in Ogden, Utah, was an American firearms designer who developed many varieties of military and civilian firearms, cartridges, and gun mechanisms, many of which are still in use around the world...

 of Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

". Although the pistol bears a superficial resemblance to the German Luger P08, it was not based on the Luger's design.