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Who was the first manufacturer of Esaki diodes?

Who was the first manufacturer of Esaki diodes? Correct Answer Sony

During their working tenure at Tokyo Tsushin Kogya, Leo Esaki, Yuriko Kurose and Takashi Suzuki invented the tunnel diode or Esaki diodes in August 1957. This company is now well known by the name Sony. The first esaki diodes happened to be manufactured by this company in the year 1957.

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