Kaientai
The Kaientai was a trading and shipping company and private navy, considered to be the first corporation in modern Japan.
Kaientai, originally named Kameyama Shachū, was founded by Sakamoto Ryōma in Nagasaki in 1865 during the Bakumatsu, and it was initially funded by the Satsuma Domain and other groups and domains.
The logo of SoftBank Group is based on the idea of a "21st century Kaientai".
Members of Kaientai
Born in Tosa Domain
- Sakamoto Ryōma – Commander and founder
- Sasaki Takayuki – A second commanding officer of Kaientai after Ryōma's assassination. Would go on to become a privy councilor, cabinet minister and confidant of Emperor Meiji
- Nakaoka Shintarō
- Iwasaki Yatarou – Would go on to found Mitsubishi in 1870
- Sawamura Sōnojho
- Nagaoka Ken'ichi
- Ishida Eikichi
- Sakamoto Nao – Ryōma's adopted child
- Sugano Kakubei
- Jingū Umanosuke
- Nomura Koreaki
Born in Kishū Domain
- Mutsu Munemitsu – Minister of Foreign Affairs from 1892 – 1896
Born in Echizen Province
- Seki Yoshiomi
- Watanabe Gōhachi
- Odani Kōzō