A Lathrop man was sentenced to 15 years in prison this month for committing a series of rapes and sexual assaults in the Bay Area as well as Oregon and Washington, the Fremont Police Department said Monday. Anmol Prasad, 35, was sentenced to 15 years and four months in state prison on Nov. 5 on two counts of assault with intent to commit mayhem, rape, sodomy or oral copulation and one count of forced sexual assault.…