The most famous one not on the list would be Yui Hatano who started in 2008
Other veterans off the top of my head are:
- Tsubasa Amami
- Yumi Kazama
- Maki Houjou
- Mio Kimijima - Started in 2005 but took a long break (many years) before making a comeback.
- Ichika Kamihata - 7 years in...