Oh phew... He was dissed by his employer, but he later got global recognition!
"Nakamura was awarded the 2006 Millennium Technology Prize for his invention. Nakamura, Hiroshi Amano, and Isamu Akasaki were awarded the Nobel Prize in Physics in 2014 for 'the invention of efficient blue light-emitting diodes, which has enabled bright and energy-saving white light sources.'" [wikipedia]
https://hackaday.com/2024/02/14/shuji-nakamura-the-man-who-gave-us-the-blue-led-despite-all-odds/