Motor Corporation produces vehicles under four brands: Daihatsu, Hino, Lexus and the namesake Toyota. The company also holds a 20% stake in Subaru Corporation, a 5.1% stake in Mazda, a 4.9% stake in Suzuki, a 4.6% stake in Isuzu, a 3.8% stake in Yamaha Motor Corporation, and a 2.8% stake in Panasonic, as well as stakes in vehicle manufacturing joint-ventures in China (FAW Toyota and GAC Toyota), the Czech Republic (TPCA), India (Toyota Kirloskar) and the United States (MTMUS). Toyota is listed on the London Stock Exchange, Nagoya Stock Exchange, New York Stock Exchange and on the Tokyo Stock Exchange, where its stock is a component of the Nikkei 225 and TOPIX Core30 indices. History 1920s1930s In 1924, Sakichi Toyoda invented the Toyoda Model G Automatic Loom. The principle of jidoka, which means the machine stops itself when a problem occurs, became later a part of the Toyota Production System. Looms were built on a small production line. In 1929, the patent for the automatic loom was sold to the British company Platt Brothers, generating the starting capital for automobile development. Under the direction of the founder's son, Kiichiro Toyoda, Toyoda Automatic Loom Works established an Automobile Division on September 1, 1933, and formally declared its intention to begin manufacturing automobiles on January 29, 1934. A prototype Toyota Type A engine was completed on September 25, 1934, with the company's first prototype sedan, the A1, completed the following May. As Kiichiro had limited experience with automobile production, he initially focused on truck production; the company's first truck, the G1, was completed on August 25, 1935, and debuted on November 21 in Tokyo, becoming the company's first production model. Modeled on a period Ford truck, the G1 sold for ¥2,900, ¥200 cheaper than the Ford truck. A total of 379 G1 trucks were ultimately produced. In April 1936, Toyoda's first passenger car, the Model AA, was completed. The sales price was ¥3,350, ¥400 cheaper than Ford or GM cars. The company's plant at Kariya was completed in May. In July, the company filled its first export order, with four G1 trucks exported to northeastern China. On September 19, 1936, the Japanese imperial government officially designated Toyota Automatic Loom Works as an automotive manufacturer. Vehicles were originally sold under the name "Toyoda" (トヨダ), from the family name of the company's founder, Kiichirō Toyoda. In September 1936, the company ran a public competition