In 1991, he debuted as a composer for Japanese rock band Wands debut single's b-side track Stray Cat.
In years 1995-2001, he was member of power-pop unit Pamelah as a composer, arranger, keyboardist, music sequencer and guitarist.
During time he constantly provided music for artist as Kaori Nanao, Kondo Fusanosuke, Zard or Field of View.
As leader of Pamelah, he produced over 14 singles and 5 studio albums.
[1][2] Since Pamela’s disbanded, Ozawa continued providing music for various artists including U-ka Saegusa in dB, Azumi Uehara, Aiko Kitahara, Rina Aiuchi or Sard Underground He is still active as of 2023.