​But can't you say the exact same thing with the roles reversed for 03-05 NOAH
Sure, I would just say that Misawa's run on top was longer. Kobashi brought incredible charisma, no doubt. But I'd argue Misawa brought as much, just of a different and subtler sort. In fact, he'd be the definition of a great intangible wrestler for me, because he was so effective at projecting himself as ace without a lot of obvious emoting.
Misawa's run was certainly longer, but I think there's an argument that Kobashi's is more impressive because he didn't have anything approaching prime Kawada, Kobashi & Taue supporting him. It was essentially a one man show with a rotating cast of dance partners as opposed to a HOF ensemble backing him up. But still not sure its enough for me to put it ahead of Misawa's run.