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Technology and the built world

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Japanese aircraft carrier Shinano

Shinano (信濃) was a Japanese World War II aircraft carrier converted from the third Yamato-class battleship hull, sunk by USS Archerfish ten days after commissioning in 1944.

Japanese aircraft carrier Shōkaku

Shōkaku (翔鶴) was a fleet aircraft carrier of the Imperial Japanese Navy, lead ship of her class, completed in 1941 and sunk by USS Cavalla in 1944.

Japanese aircraft carrier Sōryū

Sōryū (蒼龍, Blue Dragon) was an Imperial Japanese Navy fleet aircraft carrier of the Kido Butai, completed in 1937 and sunk at Midway in 1942.

Japanese aircraft carrier Taihō

Taihō (大鳳) was an armored-deck fleet carrier of the Imperial Japanese Navy, sunk by a submarine at the Battle of the Philippine Sea in 1944.

Japanese aircraft carrier Zuikaku

Zuikaku (瑞鶴) was a Shokaku-class fleet carrier of the Imperial Japanese Navy, completed in 1941, that attacked Pearl Harbor and fought at Coral Sea and Leyte Gulf.

Japanese architecture

Japanese architecture is the building tradition of the Japanese archipelago, characterized by timber construction and joinery without nails, spanning shrines, temples, castles, and tea houses, with modern architects like Kenzō Tange gaining international recognition.

Japanese armour (甲冑)

Japanese armor (甲冑, katchū), also called samurai armor, is the protective equipment of Japan's samurai class, evolving over roughly fifteen centuries from Chinese and Korean models.

Japanese battleship Kongō

Japanese battleship Kongō (金剛), also known as IJN Kongo, was a fast battleship of the Imperial Japanese Navy, built in Britain in 1913 and sunk in 1944.

Japanese battleship Mikasa

The Japanese battleship Mikasa (三笠) was a pre-dreadnought battleship of the Imperial Japanese Navy, built in England and Admiral Tōgō's flagship at the 1905 Battle of Tsushima.

Japanese battleship Musashi

Musashi (武蔵) was a Yamato-class battleship of the Imperial Japanese Navy, built at Nagasaki and commissioned in 1942, sunk by American aircraft during the Battle of Leyte Gulf in 1944.

Japanese battleship Mutsu

Mutsu (陸奥) was a Nagato-class battleship of the Imperial Japanese Navy completed in 1921, one of the first battleships to mount 16-inch guns, and destroyed by a magazine explosion in 1943.

Japanese battleship Nagato

Nagato (長門) was an Imperial Japanese Navy battleship, the first warship in the world to carry 16-inch guns, and Admiral Yamamoto's flagship at Pearl Harbor.

Japanese battleship Yamato

The Japanese battleship Yamato (大和) was the largest battleship ever built, an Imperial Japanese Navy ship completed in December 1941 and sunk by U.S. aircraft on 7 April 1945.

Japanese castle

Japanese castles are fortified structures built in Japan, typically wooden keeps set on massive stone walls and moats, developed during the Sengoku period from 1467 to 1600.

Japanese cruiser Chikuma (1938)

Chikuma (筑摩) was a Tone-class heavy cruiser of the Imperial Japanese Navy that scouted for the carriers at Pearl Harbor and Midway before being sunk in 1944.

Japanese domestic market

The Japanese domestic market (JDM) is the market for cars and trucks specified for sale new in Japan, with its own size classes, power caps, and inspection cycle.

Japanese electric locomotives

Japanese electric locomotives are the mainline electric traction fleet of Japan's national and private railways, including the ED75, EF58, and EF81 classes; EF58 61 still hauls the imperial train.

Japanese Experiment Module Remote Manipulator System

The Japanese Experiment Module Remote Manipulator System (JEMRMS) is the robotic arm system of the International Space Station's Kibo laboratory, built by JAXA and launched in 2008.

Japanese Highway Bridge Specification

The Specifications for Highway Bridges (Dōrokyō Shihōsho) is Japan's national road bridge design standard, issued by the Japan Road Association and revised most recently in 2017.

Japanese locomotive and multiple-unit classification

Japanese locomotive and multiple-unit classification is a family of systems in which JNR locomotive class letters encode driving axles and multiple-unit series are named for their leading motor coach.

Japanese mobile phone culture

Japanese mobile phone culture, known as keitai culture (携帯), is the set of social practices around mobile phones in Japan, where handsets became personal multimedia terminals.

Japanese National Railways

Japanese National Railways (日本国有鉄道, Kokutetsu) was the public corporation that ran Japan's railways from 1949 to 1987, opening the first high-speed shinkansen line in 1964.

Japanese sword (日本刀)

The Japanese sword (日本刀, nihontō) is a forged, curved, single-edged blade made in Japan by folding steel and hardening the edge, produced since the late Heian period.

Japanese swordsmithing

Japanese swordsmithing, also known as Japanese sword construction, is the traditional craft of forging Japanese sword blades from tatara-made tamahagane, folded and differentially hardened with clay.

Japanese tanks of World War II

Japanese tanks of World War II were the Imperial Japanese Army's light and medium tanks, such as the Type 95 Ha-Go and Type 97 Chi-Ha, kept far lighter than Allied designs.

Japanese telegraph code

Japanese telegraph code, or Wabun code (和文電信符号), is a Morse-style code assigning a dot-dash group to each of the 46 base katakana, used on Japan's telegraph and radio systems.

Japanese typography

Japanese typography is the system of composing written Japanese, combining four scripts in square character frames set vertically or horizontally, with rules codified in standard JIS X 4051.

Japanese war fan

The Japanese war fan, or tessen, is a fan carried by military commanders in premodern Japan to signal troops, mark rank, and serve as a weapon.

Jaquar

Jaquar, also known as Jaquar Group, is an Indian bathroom fittings and lighting brand founded in 1960 by N. L. Mehra and headquartered in Manesar, Haryana.

JAR (file format)

A JAR file, short for Java ARchive, is a package format based on ZIP that aggregates Java class files, metadata, and resources, with a manifest stored in a META-INF directory.