Judy and Mary
As a guitarist, he works with many musicians: Yuki Isoya (ex-Judy and Mary), Shiina Ringo, Yano Maki, Ayumi Hamasaki, Do As Infinity, Mika Nakashima, Tanpopo (appearing on the single Motto), Elephant Kashimashi, Ikimono-gakari, Chara, Puffy AmiYumi, Kaela Kimura, Maaya Sakamoto, Ayaka, Do As Infinity, Hitomi Shimatani, Yuki Kajiura and so on.