One of the keys to this success, according to Kondoh, is an independence of outlook that all innovators must possess. If most people agree with you at the outset, that's a sign that your idea isn't very innovative after all. A truly innovative idea will be viewed, at first, as no good and too difficult. That's when you have to doubt what others say and pursue the potential of your new idea. Talk frequently with technical service people, sales people, everyone who is involved with the product.
Useful suggestions can come from many sources.