Onda Engineering System S.r.l.
Onodera Tsuneyoshi
Onuma Norio
Ooishi Hiroshi
Ooishi Yasushi
Ookubo Masakazu
Ootaka Toshihiro
OP Systems Oy
Opel Detlef
Oracz Stephen J.
Orlandi Alessio
Orloff George
Ostic Alonzo M.
Ostrowski Gary M.
Ota Manabu
Otsuka Yukinori
Otsuki Kazuhiko
Otsuki Noboru
Ott Christof
Ott Helmut