I’m afraid I cannot be of help, you see I had the same issue. My current pillow was obtained after years of searching, from perhaps thousands, if not billions of pillows tested.
I know not of its name, nor origins. It satisfies me, though I often wonder what would happen once this pillow meets the same fate as the others. Tagless, innards squished to where they shall expand no more… I would like to say this keeps me up at night, though it’s a decent pillow. Good luck on your quest.