The 41-year-old Miñoza, who started the round just four shots off the pace afer a second round 65, birdied No. 17 to salvage a 37-32 card as he fell farther behind by nine strokes heading into the final 18 holes of the $732,000 event.
Keiichiro Fukabori sustained his run of under par rounds as he shot a 67 and a 198 to post a three-stroke lead over Toshimitsu Izawa, who fired an eagle-aided 65 to be at 201.
Over in Hong Kong, Gerald Rosales birdied the first three holes and went on to fire two more against a bogey for a four-under 67 although he stood way behind the leader at 203 after three rounds of the Hong Kong Open.
Henrik Bjornstad of Norway shot a 69 for a 196 to seize a one-stroke lead over first round leader Adam Scott of Australia, who came up with a five-under par 66 to be at 197.