The more patent applications, the better? Is there any harm? Will it have an impact?

It depends on whether these patents are owned by a right holder. If it is held by different people, it will be in trouble. I have five, most of which are hardware and two are door locks. For example, my door lock has a bright spot somewhere, but a more mature product needs someone else's patent. Then I will contact that person to produce this door lock, and others will also contact us to produce this door lock at the same time, which will be very troublesome to talk about. For example, if I don't do it myself, I plan to get tens of thousands of dollars. However, it is also right to protect your meaningful products as much as possible. The more comprehensive the protection, the better.