[2] Prior to their entry into the B.League in September 2016, the club was the corporate team of Mitsubishi Electric.

In 2020, the Diamond Dolphins became the first top-tier professional Japanese sports club to sign on to the "Sport for Climate Action Framework" led by the United Nations Framework Convention on Climate Change.

[1] The club was formed in 1950 at Mitsubishi Electric's Nagoya factory and entered the second division of Japan's top league in 1973.

Now known as the Mitsubishi Electric Koalas, they continue to compete in the Women's Japan Basketball League.

- Played at least one official international match for his senior national team at any time.