After sharing the lead on the opening day, Donald moved ahead with a second round of 64 and from that point on his control of the tournament was never in doubt eventually winning by five over Matsuyama and by six over Koumei Oda.
The leading money winner this season, Hiroyuki Fujita and Australian Brendan Jones tied for 4th.
For Jones the Ã‚Â¥11,600,000 he received for his week's work has moved him back to third position on the 2012 Japan Tour money list and has taken his earnings to Ã‚Â¥90 million or just under $A1,100,000.
For Canberra based Jones it represents his third best season on the Japan Tour, bettered only by his great year in 2007 when he won on three occasions and 2008 although he still has one or two events to play and could potentially surpass both.
David Smail was the next best of the Australasians when he finished tied for 16th, Kurt Barnes was 22nd, Neven Basic 31st, Brad Kennedy 39th and Steve Conran 44th.
The Japan Golf Tour now plays the Casio World Open.
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