SAN JOSE -- Police are asking for the public's help in finding a man who robbed a business on May 9.

Around 10:30 a.m., an unidentified man walked into a business in the 1600 block of North Capitol Avenue in San Jose, according to police. The man brandished a shotgun and then struck one of the store's patrons in the face, knocking him to the ground.

The suspect demanded cash from at least one person and then ordered people in the store to get on the ground. The suspect took an undisclosed amount of money and left in a waiting car driven by another suspect, police added.

The man is described as 25 to 30 years old, about 5 feet, 8 inches tall and between 160 and 190 pounds. He was last seen wearing a gray hooded sweatshirt, dark jeans and sunglasses.

The getaway car is described as a newer, silver-colored Toyota sedan with a yellow and black rear paper plate.

Anyone with information about this robbery can contact Detective Rocky Zanotto of the San Jose Police Department's Robbery Unit at 408-277-4166.

If you wish to remain anonymous, you can either call the Crime Stoppers Tip Line at 408-947-STOP (7867) or click the Submit a Tip link on the department's website. People providing information leading to the arrest and conviction of the suspect may be eligible for a cash reward from the Silicon Valley Crime Stoppers.

Follow Katie Nelson at Twitter.com/katienelson210.