Ulivieri Enrico
Ultex Corporation
Ultra Sonus AB
Umeda Keiichi
Umeda Mikio
Umeda Takatoshi
Umemoto Kaneyuki
Umemura Chiaki
Umezawa Takayuki
Umina John A.
Undatim Ultrasonics S.A.
Unison Products, Inc.
University of Yamanashi
Unno Yukihiro
Uno Takehiko
Unsworth Joe
Uphoff Heinrich Josef
USC Co., Limited
USC Corporation
Ushimi Yoshimitsu