The was a trading and shipping company and private navy, considered to be the first modern corporation in Japan. Originally named Kameyama Shachū (亀山社中, "Kameyama Company"), it was founded by Sakamoto Ryōma

Sakamoto Ryoma

was a leader of the movement to overthrow the Tokugawa shogunate during the Bakumatsu period in Japan. Ryōma used the alias .- Early life :Ryōma was born in Kōchi, of Tosa han . By the Japanese calendar, this was the sixth year of Tenpō...

 in Nagasaki in 1865 during the Bakumatsu – a period of upheaval when Japan was seeking modernisation and shedding its feudal system and isolationist policies. It was funded by the Satsuma Domain and other groups.

Members of Kaientai

Born in Tosa Domain

• Sakamoto Ryōma
  Sakamoto Ryoma
  was a leader of the movement to overthrow the Tokugawa shogunate during the Bakumatsu period in Japan. Ryōma used the alias .- Early life :Ryōma was born in Kōchi, of Tosa han . By the Japanese calendar, this was the sixth year of Tenpō...
  
   – a commanding officer of Kaientai
• Sawamura Sōnojho
• Sasaki Takayuki
  Sasaki Takayuki
  Marquis was a bureaucrat, government minister and court official in late Meiji period Japan.-Biography:Sasaki was born into a samurai class family in Agawa District, Tosa Domain . He served the Yamauchi clan in several important posts, including kōri-bugyō and ōmetsuke...
  
  – a second commanding officer of Kaientai after Ryōma's death
• Nagaoka Ken'ichi
• Ishida Eikichi
• Sakamoto Nao – Ryōma's adopted child
• Sugano Kakubei
• Jingū Umanosuke
• Nomura Koreaki

External links

• Nagasaki Kameyamashachū Memorial Museum(Japanese)