As a featured artist
- [2004.11.25] NORISIAM-X - Brave New World (#11 "Brave New World" (Remix) feat. P-CHO from DOBERMAN INC)
- [2005.07.20] Sowelu - "Heads or Tails?" (#5 "No Limit" feat. P-CHO from DOBERMAN INC (BLremix))
- [2006.01.11] YA-KYIM - STILL ONLY ONE (#11 "Happy the globe PART III" feat. NORISIAM-X, P-CHO (DOBERMAN INC), SPHERE of INFLUENCE & RICKIE G)
- [2008.06.14] BIGGER DICE - Cosmos×Chaos ~Hanka Chouka~ (#7 "Homie" feat. P-CHO, KUBO-C from DOBERMAN INC)
- The origin of his stage name, P-CHO, was from the union of the letter P (from the song "Platinum CHO") and the word CHO, which was his nickname from elementary school days.
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