Hometown: Tokyo, Japan
Hobbies:
Cooking
Tennis
Non-anime roles:
Akiko Kakogawa in "Ojyousama Express" (VG) (Japanese)
Edit Officer (Active Vocal) in "Dynasty Warriors 4 Empires" (VG) (Japanese)
Edit Officer (Female) in "Dynasty Warriors 4" (VG) (Japanese)
Milard Rune in "Tales of Phantasia -Full Voice Edition-" (VG) (Japanese)
Millia Rage in "Guilty Gear X" (VG) (Japanese)
Nu Wa in "Dynasty Warriors 3" (VG) (Japanese)
Precis F. Neumann in "Star Ocean: The Second Story" (VG) (Japanese)
Quickie in "Tales of Eternia" (VG) (Japanese)
Rachel in "Langrisser IV" (VG) (Japanese)
Windy in "Radio Gensosuikoden" (Radio Drama) (Japanese)
Zhen Ji in "Dynasty Warriors 3" (VG) (Japanese)
Zhen Ji in "Dynasty Warriors 4" (VG) (Japanese)

CV: http://www.aoni.co.jp/actress/sa/pdf/sumitomo-yuko.pdf

Source: http://www.animenewsnetwork.com/encyclopedia/people.php?id=5685