Jun-ichi Nishizawa (?? ??, Nishizawa Jun'ichi, September 12, 1926 – October 21, 2018) was a Japanese engineer and inventor.
He is known for his electronic inventions since the 1950s, including the PIN diode, static induction transistor, static induction thyristor, semiconductor laser, SIT/SITh, and fiber-optic communication.
His inventions contributed to the development of internet technology and the information age.He was a professor at Sophia University.
He is considered the "Father of Japanese Microelectronics".