It is often claimed that Japanese are mostly doing incremental innovation as opposed to disruptive innovation.
http://www.economist.com/debate/overview/199
http://www.asiancenturyinstitute.com/economy/167-asia-s-innovation-cities
This is why innovation in Asia rarely involves disruptive, major breakthroughs, and tends to be "incremental innovation" which adapts and perfects innovations coming from elsewhere.
How true is this claim, and does that mean Japan is less technologically innovative than the U.S.?