Ojiri Yohsuke
Okada Masumi
Okawa Yasushi
Okawara Gunzi
Okuno Makoto
Okuyama Eitaro
Oldendorf William H.
Olds Alan R.
Olsen Åge A.
Olsen Anette
Olympus NDT
Omura Masayoshi
Ono Kanji
Ono Sekijyuro
Ono Yuu
Onozawa Motohisa
Ontario Cancer Institute
Onuma Eiji
Ooshiro Takehiko
Ooura Takehiro