Xu Hongzhong
Xu Jingwei
Xu Ping Ping
Xu Zhenxue
Xuan Chen C.
XZY Altenuators, LLC
XZY Attenuators, LLC
Yabe Hiroo
Yaezawa Naoki
Yagihashi Yoshitaka
Yagoshi Teruaki
Yaguchi Mitsuo
Yakaki Corporation
Yakimenko Valentin G.
Yallon H. C.
Yamada Electric Manufacturing Company Ltd.
Yamagiwa Tokio
Yamaguchi Seiki
Yamaji Koji
Yamaji Shigeo