Yamaguchi Yakuhin Shokai Ltd.
Yamaki Naokazu
Yamakoshi Ken-ichi
Yamamoto Kimiyoshi
Yamanaka Mineo
Yamasaki Kazunari
Yamasawa Tsutomu
Yamashita Yutaka
Yamasu Co., Ltd.
Yamauchi Toshima
Yamaura Masahiko
Yamazaki Nobuo
Yamazaki Sakae
Yamazaki Yoshiro
Yanagawa Takashi
Yanagawa Yutaka
Yanagida Yuji
Yanagimoto Hiroaki
Yanashima Tadahiko
Yang Heng W.