Kenichi Koga
发表
Hisamitu Yorozu,
Takayuki Shimaoka,
Masataka Hanasima,
1994
.
Kenichi Koga,
P. Sudjono,
Hiroyuki Araki,
1970
.
Kenichi Koga,
Fumio Umeda,
Ikuo Shimada,
2005
.
Kenichi Koga,
Yasunari Matsuo,
Hiroyuki Araki,
2002
.
Kenichi Koga,
Y. Nishi,
Hiroyuki Araki,
1999
.
Yukinori Sakuta,
Yoshifumi Sekine,
Kenichi Koga,
2005
.
Hideki Yamaguchi,
Kenichi Koga,
Patchraporn Ittisukananth,
2008
.
Kenichi Koga,
Akio Nohara,
Hiroyuki Arak,
1992
.
Kenichi Koga,
Yasuyuki Nishi,
Hiroyuki Araki,
1998
.
Kenichi Koga,
Yasunari Matsuo,
Hiroyuki Araki,
2002
.
Kenichi Koga,
Hiroyuki Araki,
Chul-Hwan Koh,
2006
.
Kenichi Koga,
Hiroyuki Araki,
Nguyen Cao Don,
2006
.
Kenichi Koga,
Hiroyuki Araki,
Nguyen Cao Don,
2006
.
Kenichi Koga,
Hiroyuki Araki,
Nguyen Cao Don,
2005
.