Michibata was four times national champion and Canadian youth between 1981 and 1983 three-time Canadian national tennis champion. He studied at Pepperdine University and was elected to the best selection All-American three times. In 1984, he stood at the side of Paul Annacone first time in a doubles final on the ATP World Tour, in 1988 he was able to win his first doubles title. Overall, he won four doubles titles, all with his compatriot Grant Connell during his career. A further 23 times he stood in a double finals, including at the Masters Series of Canada and Cincinnati. Its highest listing in the tennis world ranking he reached position 48 in the singles and in 1991 with five in double position 1986.
His best individual performance in a Grand Slam tournaments were second-round appearances in all four tournaments. In the doubles competition, he reached in 1990 on the side of Grant Connell the final of the Australian Open, but they lost Pieter Aldrich and Danie Visser in four sets. The following year, both were in the semifinals of the French Open and Wimbledon.
Between 1982 and 1992 he completed 13 single and 15 double roles for the Canadian Davis Cup team. In 1990, he was able to qualify with the team by defeating the Netherlands for the first round of the World Group. In the Erstrundenbegegnungen 1991 against Spain and in the following year against Sweden, he joined respectively with Grant Connell, both double gave them off. At the Olympic Summer Games in Seoul in 1988 both came to Canada for a double, but they lost in the first round the Dane Morten Christensen and Michael Tauson.
After the end of his professional career, he spent two years as coach of Daniel Nestor. After he had worked between 1997 and 2000 as an assistant coach at the University of Southern California, he was head coach of the Princeton University. He is married and has two children.