Ulvio Kari
Umeda Atsushi
Umegaki Shinsuke
Umehara Etuo
Umemura Shigeru
Umezawa Hiromitsu
Umezu Yasuo
Umpirowicz Joseph J.
Unaxis Balzers Aktiengesellschaft
Underbjerg Carsten
Underwood David T.
Unger Hans-Georg
Unger Neil
Unilens Corp. Usa
Union Piet J. L.
Union Optics Corporation
Uniphase Fibre Components Pty Limited
Uniphase Telecommunications Products Inc.
Unisensor A/s
United Creation Optical Trading Limited