Thanks very much for your kind words!
I guess Vikash sir have talked with you regarding this. The link I have sent to you is just for reference.
ASIN is unique product code given by Amazon when you list your product. As per your conversation with Vikash sir, You need to go for multiple products and apply for Trademark.
Your product seems unique and let’s see how your product goes. Let me know if you need help with anything else!