No, going to Japan would be soliciting interest ofr th eproduct and possibly soliciting interest for a buyout. In order to have a bidding war one must start with one bidder.
Now that the product info has been passed around to the 20+ companies, I would definitely be looking at at least one high value off take and then i would be encouraging someone to make an initial offer. All in due time I suppose. These things alwasy take longer than we wish them to.