Maybe one day the real Satoshi appeared and did a patent the blockchain. Is this the real purpose of Satoshi's intention to create Bitcoin?
Impossible. Real Satoshi won't ever have the idea to appear, he decided to let this be decentralized. He also will harm himself and the existence of Bitcoin if he braves to appear. He has done a hard job so far and hides his identity perfectly, he won't ruin it by appearing one day. If he really appears, it may be the end of Bitcoin and crypto industry.
It is right that he will not patent but it is wrong that if he appeared then it will harm bitcoin or harm himself. Everyone love him and his work and everyone know that now it is decentralized no matter he come or not. If he come to public then people will give more love and respect to him. If he will appear that it will not be the end of crypto and this industry but he will bring more blessing for this industry and people.