Yep!If you're wanting to save corn seed for your personal use you'll only need a few ears. You can protect those from cross pollination with tassel bags and shoot bags, then hand pollinate those ears.
https://sowtrueseed.com/collections/seed-saving/products/corn-tassel-bags
https://sowtrueseed.com/collections/seed-saving/products/corn-shoot-bags
https://www.gardeningknowhow.com/ed...rn-pollination-how-to-hand-pollinate-corn.htm