Not to be pedantic, but in those cases criminal stalking, (attempted) assault, and criminal sexual conduct are the crimes, not sexual harassment.

go read the descriptions of each of those in your state's criminal code and see the phrase "sexual harassment" used multiple times.

Under the normal US definition, the only things that are workplace sexual harassment are quid pro quo and hostile work environment. IANAL, but I believe that while sexual assault can be used as evidence of a hostile work environment, I don't think that sexual assault is itself a criminal form of sexual harassment.