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Tanaka Hisashige

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Hisashige Tanaka was a prominent Japanese inventor, mechanical engineer, and businessman. He lived during the Bakumatsu and early Meiji periods. Because of his many inventions, people often call him the "Thomas Edison of Japan." He was also known by the name "Karakuri Giemon." Tanaka was a key figure in Japan's technological transformation. His work helped move the country toward modern industry.

Tanaka was born in 1799 in Kurume, which is in the Chikugo province. His father was a craftsman who worked with tortoise shells. Tanaka was apprenticed to his father at an early age. He proved to be a very gifted artisan. At only eight years old, he invented an inkstone case. This case featured a secret lock. To open it, a person had to twist a cord in a specific way. By age 14, he had invented a loom. This machine was capable of weaving very intricate designs into fabric.

At age 20, Tanaka began creating karakuri dolls. These are autonomous dolls that move on their own. They use mechanical power from springs, pneumatics, or hydraulics. Pneumatics involves using air pressure to create movement. Hydraulics uses the pressure of liquids to create movement. These dolls could perform complex motions. They were very popular with aristocrats in Kyoto and the Shōgun's court in Edo. Tanaka even traveled the country performing with his clockwork dolls. Two of his most famous masterpieces were the Yumi-Hiki Doji, an arrow-shooting boy, and the Moji-kaki doll, a letter-writing doll.

In his mid-thirties, Tanaka shifted his focus to more practical products. In 1834, he moved to Osaka to experiment with new technologies. He worked with pneumatics and hydraulics to improve daily items. He created a pocket candlestick and an oil lamp. This lamp used an air-pressurized fuel pump to work. He then moved to Kyoto to study rangaku. Rangaku is the study of Western learning. During this time, he also studied astronomy. In 1851, he built a myriad year clock. This clock is now considered an Important Cultural Property by the Japanese government.

As political tensions grew in Kyoto, Tanaka moved to the Saga Domain in Kyūshū. He was invited there by Sano Tsunetami and welcomed by Nabeshima Naomasa. This move allowed Tanaka to work on large-scale industrial projects. He designed and built Japan's first domestically made steam locomotive. He also designed a steam warship. Although he was new to steam power, he learned through observation. He read a Dutch reference book and watched a demonstration by a Russian diplomat in Nagasaki in 1853. He later became a student at the Nagasaki Naval Training Center.

Tanaka's work in Saga included many different types of engineering. He built models of steam warships using both screws and side-paddles. He also experimented with making a telegraph and a glass factory. Additionally, he was involved in building a reverberatory furnace. This type of furnace was used to produce Armstrong guns. In 1864, he returned to his home in Kurume to help develop modern weaponry. His ability to master different fields, from clockwork to heavy machinery, showed his range as an engineer.

In 1873, at age 74, Tanaka was invited to Tokyo by the Ministry of Industry. He moved to the Ginza district in 1875 to start a new venture. He rented a workshop on the second floor of a temple in Roppongi. This workshop became Tanaka Seisakusho, or Tanaka Engineering Works. This was the first manufacturer of telegraph equipment in Japan.

Tanaka died in 1881, but his legacy continued through his family and his company. His son founded a new company after his death. In 1904, the company changed its name to Toshiba. In 1939, it merged with Tokyo Denki to become Tokyo Shibaura Denki. Today, the company is known globally as Toshiba. Tanaka's journey from making small wooden dolls to founding a massive industrial corporation tracks the rapid modernization of Japan itself.

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