Chernyshov has eight goals and 14 points through five games with OHL Saginaw this season.
Chernyshov was moved from AHL San Jose to OHL Saginaw, per Curtis Pashelka of The San Jose Mercury News.
Chernyshov (shoulder) was activated from the injured non-roster list and assigned to AHL San Jose on Friday.
Per Max Miller of The Hockey News, Chernyshov underwent successful shoulder surgery, his agent Dan Milstein said Wednesday.
Chernyshov signed a three-year, entry-level contract with the Sharks on Thursday.