I looked in Orchidwiz and found Mtdm. Issaku Nagata but not the "Emi". Just means that particular one has not been awarded...yet
Cultivation:
30%-60% humidity. Water frequently if plant has thin roots, less frequently for thicker roots. Water just as medium starts to dry; Water more heavily during active growth. Commonly grown in pots. Fertilize twice monthly. Common media: fir bark.
Onc. Issaku Nagata is composed of species of which 50% take medium light and 50% take high light. Grow this hybrid in dappled light to bright indirect light conditions.
Onc. Issaku Nagata is composed of species of which 100% take cool temperatures, 100% take intermediate temperatures and 100% take hot temperatures. Grow this hybrid in cool to hot conditions, or 58°F to 85°F at night.