by OKANO HIDEO
Year of Publication 31.10.1989

by OKANO HIDEO
Year of Publication 31.10.1989

by TANAKA KATSUHIKO, OKANO HIDEO
Year of Publication 11.05.2001

by TANAKA KATSUHIKO, OKANO HIDEO
Year of Publication 23.02.2001

by NAGAI MICHIO, OKANO HIDEO
Year of Publication 22.09.2000

by NAGAI MICHIO, OKANO HIDEO
Year of Publication 22.09.2000

by TANAKA KATSUHIKO, OKANO HIDEO
Year of Publication 30.07.1999

by ISHIKAWA MASAYUKI, OKANO HIDEO
Year of Publication 09.10.1998

by TAKAHASHI; HIDETAKA, OKANO; HIDEO
Year of Publication 15.09.1998

by OKANO HIDEO, TAKAHASHI HIDEYUKI
Year of Publication 19.05.1995

by OKANO HIDEO, TAKAHASHI HIDEYUKI
Year of Publication 10.03.1995

by OSHIMA ATSUSHI, OKANO HIDEO, OMUTSUNO SATOSHI
Year of Publication 05.02.2004

by HASHIMOTO KOJI, BABA TAKASHI, ENDO SHIGERU, OKANO HIDEO
Year of Publication 26.04.2007

by NAKAMURA KAZUNORI,ISHIKAWA KOUJI,ARIGA NOBUEI,KARASAWA HIDEO,OKANO YASUO
Year of Publication 21.02.2007

by SHODA YOSHIO, OKANO HIDEO, SAKATANI IKUNORI
Year of Publication 23.04.2003

by TANIGUCHI TOMOYUKI, SUGAWARA SHIGERU, OKANO HIDEO
Year of Publication 11.03.2003

by IKETANI KAZUHISA, OKANO HIDEO
Year of Publication 26.07.1990

by NAWAMOTO TAIKOU, BABA TAKASHI, DAIROKUNO SATOSHI, OKANO HIDEO, ITOH HIROYUKI
Year of Publication 07.02.2006

by Dairokuno, Satoshi, Nawamoto, Taikou, Itoh, Hiroyuki, Okano, Hideo, Baba, Takashi
Year of Publication 07.02.2006

by Fukuyama, Hiromasa, Okano, Hideo, Shoda, Yoshio, Sakatani, Ikunori
Year of Publication 24.01.2006