In 1999 Noto made her debut as a seiyuu when she landed a role in the anime Super B-Daman. She had previously attended the Yoyogi Animation Institute for one year before getting the role.
Noto's parents used to own a bookstore that coincidentally once sold the manga The World of Narue. Noto voiced the character Narue Nanase in the anime adaptation.
Noto has admitted that she's not very good at sports. Once during her school years in P.E. she had to play basketball and was so uninvolved that neither team knew which one she belonged on. When she was accidentally passed the ball, both teams rushed her in confusion.
Noto has been given several nicknames by fellow seiyuu and fans. Some of her nicknames includes "Mami-mami", "Mami-chan", "Noto-mami" and "Noto-chan".
Noto's favorite foods includes fatty meats and Chinese food.
On the TV anime Jigoku Shoujo Futakomori, Noto performed the ending theme "Aizome". She also played the lead character Ai Enma in this series.
On May 31, 2002, Anime Expo announced Noto as a Japanese guest of Honor that day.
Noto has voiced several characters in CD dramas including her role as Narue Nanase in Narue no Sekai, Momo in Shinigami no Ballad, Hidari Morii in Yubisaki Milk Tea, Suigintou in Rozen Maiden and Mitsuki Shijou in Kimi Kiss Character CD Vol. 2 'Eriko Futami & Mitsuki Shijou'.
On the 1 episode summer OAV Mahou Sensei Negima!, Noto performed the ending theme "Magical Happiness".
Mamiko Noto was a guest of honor at the Otakon 2007 convention held in Baltimore, Maryland.
Noto studies the script as well as the design of a character to figure out just how that character should sound. This is Noto's secret to perfecting a character's voice.
Noto believes that voice actors are more popular in Japan than America because of there being more animation produced and even more actors to steal the attention away from fans.
Noto's most difficult roles are those characters with personalities that are completely opposite of her own gentle nature.
Noto is employed under Osawa Office where she has worked for years.
Noto enjoys going to the movies, doing flower arrangements, photography and theater.
Noto has voiced over 110 reoccuring characters in animes and has played numerous guest part roles.
On the 4 episode OAV Kyou no Go no Ni, Noto performed the opening theme "Baby Love", the 1st ending theme "Yakusoku" (Promise) and the 2nd ending theme "Sakurairo Kaze" (Cherry Blossom Colour Wind) along with fellow seiyuu Mikako Takahashi and Mai Kadowaki.
Noto has voiced characters in several Japanese video games such as Ichinose Kotomi in Clannad, Mercedes in Odin Sphere, Trenia in Phantom Kingdom, Rufeel in Summon Night Craft Sword Story - Hajimari no Ishi and Kuromie Quark in the Galaxy Angel series.
Noto has bloodtype O.
Noto stands in at 5 feet, 3 inches tall.
On the TV anime School Rumble Nigakki, Not performed the 3rd ending theme "Futari wa Wasurechau" along with fellow seiyuu Ami Koshimizu. This song ended episodes #17-26.
Mamiko Noto is apart of a 4 person seiyuu group called MORE PEACH SUMMER SNOW. The other 3 members includes Chiwa Saito, Haruna Ikezawa and Ryo Hirohashi. They all voiced characters in the anime Sgt. Frog.
Noto's soft voice often titles her as "cute" by fans.
Mamiko: I went to see him (Tasuya Nakadami) act on the stage and that inspired me, that this was what I want to do...it was real interesting for me. I wanted to experience what it was like to be a different person.
Mamiko: Playing an aggressive or outgoing character, that's a challenge.
Mamiko: It's fun to be a young and cute character. It's just so fascinating to be so cute - which I don't think I am.