U.S. Radium Corporation
Uchida Go
Uchida Teruo
Uchikawa Tatsuya
Uda Tsuyoshi
Ueda Yasuyuki
Uehara Yasuhiko
Umino Kenichi
Uozumi Kenji
Uozumi Misanobu
Urano Tadao
Usami Yoshihiko
Ushida Hiroshi
Usui Hirosi
Utena Hisashi
Utsumi Ichiro
Uyama Toshio
Uzumecki Richard W.