Obergriesser Frank
Ohayon Amihai
Ohayon Salomon S.
Ohtsubo Yoshinori
Ohtsuka Satoru
Oike Kouji
Okumura Motoharu
Olsson Kjell
Omega Patents, L.L.C
Omega Patents, LLC
Omega Research and Development, Inc.
Onitsuka Mobuyuki
Ooba Tomotake
Ootsuka Mitsugi
Orcifalvi Vilmos