BR 75 then NH 8508 at Bangkok
Taipei → Bangkok → Tokyo Narita
Timetable, Bangkok time
10:45BR 75 from Taipei at the gate
04:42NH 8508 to Tokyo Narita leaves the gate
17 h 57 apart on the timetable, overnight
NH 8508 leaves 17 h 57 after BR 75 arrives on the timetable: more than half a day, so not a connection we count.