This video will give you an idea on how to go to USJ from Nagoya station using the bullet train. We have left early morning, although it says on their official website that USJ opens at 9:30am they may open at 9am too, depending on the number of people by the gate.

Please use this to check train times in English.
Japan transit planner:

This was our train time.

07:06
Nagoya
Ticket / 3,350 yen (For Universal City)
Reserved Seat / 3,210 yen (For Shin-Osaka)
Bullet Train
Nozomi No.97 (Series N700) (For Hakata)
50min

07:56
Arrive Shin-Osaka
Transfer train to Osaka

Take 08:02 train to Osaka
JR Kyoto Line (For Nishi-Akashi)
Arrive 08:05 in Osaka

Take 08:11 train in Osaka station
Osaka Loop Line Toward Nishi-Kujo

Arrive 08:17
Nishi-Kujo
Transfer train for Nishi-Kujo

Arrive Nishi-Kujo 8:24
Take train toJR Yumesaki Line (For Sakurajima)

Arrive
08:30
Universal City

walk 6min
Arrive Universal Studios Japan (USJ) (08:36)

Here are some more vlog information about USJ:

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