Besides Jewels, Sugiyama has also competed in MMA promotions Valkyrie and Invicta Fighting Championships.
[1][2] A member of Wajutsu Keishukai Akza (和術慧舟會AKZA, wajutsu keishūkai akza), Sugiyama became interested in MMA after watching Caol Uno on TV at the K-1 World Max 2005 Japan Tournament on February 23, 2005 (2005-02-23), so she started training MMA as a hobby.
Despite being penalized for not making weight, Sugiyama was able to defeat Tamada once again by majority decision, keeping her unbeaten record intact.
[12] Making her debut overseas, Sugiyama faced American fighter Jessica Penne at Invicta FC 3: Penne vs. Sugiyama on October 6, 2012 (2012-10-06) in a title bout to crown the first Invicta FC Atomweight Champion.
[13] On March 30, 2013 (2013-03-30), Sugiyama faced Celine Haga in a non-title bout at Jewels 23rd Ring.