Example image of eyePlorer eyePlorer map for 'Isamu Akasaki': Gallium nitride Light-emitting diode Scientist Kagoshima Kyoto University Doctor of Philosophy Nagoya University Crystal Electronic component Metalorganic vapour phase epitaxy Sapphire Single crystal Doctorate Professor Japan Society for the Promotion of Science Crystal growth Government of Japan Heinrich Welker Institute of Electrical and Electronics Engineers John Bardeen Linköping University TMS University of Montpellier Isamu Blue laser Shuji Nakamura List of Kyoto Prize winners List of Japanese inventions