1.
Okayama Corp
2.
Okinawa Rehabilitation Center Hospital
3.
Omiko Group
4.
On-chip Biotechnologies
5.
onelife Japan
6.
Order-made Medical Research
7.
Otsu City Hospital
8.
PHC Holdings 2014-01-01
9.
Plus-medi
10.
Plusbase
11.
Polaris Japan
12.
Proassist