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Isamu Akasaki

1929 - 2021

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Isamu Akasaki (赤﨑 勇, Akasaki Isamu, January 30, 1929 – April 1, 2021) was a Japanese engineer and physicist, specializing in the field of semiconductor technology and Nobel Prize laureate, best known for inventing the bright gallium nitride (GaN) p-n junction blue LED in 1989 and subsequently the high-brightness GaN blue LED as well.For this and other achievements, Akasaki was awarded the Kyoto Prize in Advanced Technology in 2009, and the IEEE Edison Medal in 2011. He was also awarded the 2014 Nobel prize in Physics, together with Hiroshi Amano and Shuji Nakamura, "for the invention of efficient blue light-emitting diodes, which has enabled bright and energy-saving white light sources". In 2021, Akasaki, along with Shuji Nakamura, Nick Holonyak, M. George Craford and Russell D. Read more on Wikipedia

Since 2007, the English Wikipedia page of Isamu Akasaki has received more than 219,099 page views. His biography is available in 62 different languages on Wikipedia (up from 53 in 2019). Isamu Akasaki is the 195th most popular physicist (up from 203rd in 2019), the 124th most popular biography from Japan (down from 119th in 2019) and the 2nd most popular Japanese Physicist.

Amu Akasaki is most famous for being the inventor of the blue LED.

Memorability Metrics

  • 220k

    Page Views (PV)

  • 62.86

    Historical Popularity Index (HPI)

  • 62

    Languages Editions (L)

  • 6.91

    Effective Languages (L*)

  • 4.37

    Coefficient of Variation (CV)

Page views of Isamu Akasakis by language


Among physicists, Isamu Akasaki ranks 195 out of 717Before him are Satyendra Nath Bose, John Archibald Wheeler, John L. Hall, Wolfgang Paul, Frederick Reines, and Ilya Frank. After him are Willis Lamb, K. Alex Müller, Nikolay Basov, Arthur Leonard Schawlow, David Lee, and Joseph Rotblat.

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Among people born in 1929, Isamu Akasaki ranks 57Before him are Richard E. Taylor, Günter Schabowski, Christa Wolf, Peter L. Berger, George Steiner, and Zoltán Czibor. After him are Ralf Dahrendorf, Jerry Goldsmith, Mohamed Al-Fayed, E. O. Wilson, Milorad Pavić, and Pierre Brice. Among people deceased in 2021, Isamu Akasaki ranks 52Before him are Richard R. Ernst, Jean-Luc Nancy, Vicente Fernández, Phil Spector, Hissène Habré, and Abdelkader Bensalah. After him are Mihaly Csikszentmihalyi, Edita Gruberová, Larry Flynt, Manuel Santana, George Jung, and E. O. Wilson.

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In Japan

Among people born in Japan, Isamu Akasaki ranks 124 out of 6,048Before him are Kakuichi Mimura (1931), Kūkai (774), Empress Kōjun (1903), Emperor Nintoku (290), Emperor Kōrei (-341), and Ken Watanabe (1959). After him are Jiro Horikoshi (1903), Iwane Matsui (1878), Sanada Yukimura (1567), Shoichi Yokoi (1915), Momofuku Ando (1910), and Yamagata Aritomo (1838).


Among physicists born in Japan, Isamu Akasaki ranks 2Before him are Hideki Yukawa (1907). After him are Shin'ichirō Tomonaga (1906), Yoichiro Nambu (1921), Masatoshi Koshiba (1926), Leo Esaki (1925), Makoto Kobayashi (1944), Toshihide Maskawa (1940), Shuji Nakamura (1954), Hantaro Nagaoka (1865), Yoshio Nishina (1890), and Hiroshi Amano (1960).