Disc 4, a nice batch:
Definitely: Jun Moriya, Kenji Takamizu, Teiji Mihata, Masahiro Ikumi (
artist entry), Minoru Kuribayashi, Hidetoshi Yamada, Kenji Shiraishi (disc 5 as "Kenzi Shiraishi"), Teiko Koshino, Akira Fujiyama, Masakazu Ishibashi, Yoshikazu Kishi, Susumu Kazuhara, Yoshihiro Nakagawa, Yasuhiro Okita, Shin Nagaoka, Keiko Yamakawa, Tsugio Tokunaga, Takashi Kato, Hiroshi Kumagai
Likely: Yasuhiko Tsumura (津村恭彦)
津村恭彦: I think this is Yasuhiko Tsumura (津村
泰彦):
http://www.tsumura-inc.co.jp/en/.