One of the founders of Datsun, which eventually became Nissan.
Before the Datsun brand name came into being, an automobile named the DAT car was built in 1914, by the Kaishinsha Motorcar Works, in the Azabu-Hiroo District in Tokyo. The new car's name was an acronym of the company's partners' surnames:
- Kenjiro Den
- Rokuro Aoyama
- Meitaro Takeuchi.
The full list of Nissan founders include:
- Masujiro Hashimoto
- Kenjiro Den
- Rokuro Aoyama
- Meitaro Takeuchi
- Yoshisuke Aikawa