1. J. Nishizawa, "History and Characteristics of Semiconductor Laser" (in Japanese), Denshi Kagaku, 14, 1963, 17–20.
2. J. Nishizawa, "Esaki Diode and Long Wavelength Laser", Denshi Gijutu, 1965, 101–105.
3. J. Nishizawa, "Semiconductor Maser", Japanese Patent 273217, 1957
4. J. Nishizawa, "Solid State Circuit with Optical Directivity", Japanese Patent 762975, 1960.
5. J. Nishizawa and K. Suto, "Semiconductor Raman Laser", J. Appl. Phys., 51, 1980, 2429–2431.