Table:
text: List of U.S. Open Badminton champions
Past winners
Past winners
Year_ Men_s_singles Women_s_singles Men_s_doubles Women_s_doubles Mixed_doubles
1971 Muljadi Noriko Takagi Ng Boon Bee Punch Gunalan Noriko Takagi Hiroe Yuki Jim Poole Maryanne Breckell
1972 Sture Johnsson Eva Twedberg Derek Talbot Elliot Stuart Anne Berglund Pernille Kaagaard Flemming Delfs Pernille Kaagaard
1973 Sture Johnsson Eva Twedberg Jim Poole Don Paup Pam Brady Diane Hales Sture Johnsson Eva Twedberg
1974 1975 no competition no competition no competition no competition no competition
1976 Paul Whetnall Gillian Gilks Willi Braun Roland Maywald Gillian Gilks Susan Whetnall David Eddy Susan Whetnall
1977 1982 no competition no competition no competition no competition no competition
1983 Mike Butler Sherrie Liu John Britton Gary Higgins Claire Backhouse Johanne Falardeau Mike Butler Claire Backhouse

Question: From US Open badminton champions list, who were the men's doubles champions when the men's singles champion was Muljadi?