Question: when was the first laptop invented and by whom
Answer: The first laptop - sized notebook computer was the Epson HX - 20 , invented ( patented ) by Suwa Seikosha 's Yukio Yokozawa in July 1980 , introduced at the COMDEX computer show in Las Vegas by Japanese company Seiko Epson in 1981 , and widely released in 1982 .