(..) a spectacled man with messy black hair tied in a loose ponytail with two strands that frame his face. His attire consists of a simple blue kimono adorned with multiple symbols that are four squares in a diamond formation on the right pec, sleeves, and back of his kimono. Also wears a brown beaded bracelet on his right wrist.
These symbols are called mon, and his looks like this
Is this really the Takeda mon? (has the author every stated this, or is there any official reference)
Or is it all just speculation and the pointing out of similarities? (which may just have been inspirations)
Or could it be some other less-known clan's mon?