<P> As 8 - bit CPU machines became widely accepted , the number of portables increased rapidly . 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 . It had an LCD screen , a rechargeable battery , and a calculator - size printer , in a 1.6 kg ( 3.5 lb ) chassis , the size of an A4 notebook . It was described as a `` laptop '' and `` notebook '' computer in its patent . </P>
<P> As 8 - bit CPU machines became widely accepted , the number of portables increased rapidly . 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 . It had an LCD screen , a rechargeable battery , and a calculator - size printer , in a 1.6 kg ( 3.5 lb ) chassis , the size of an A4 notebook . It was described as a `` laptop '' and `` notebook '' computer in its patent . </P>
when was the first laptop invented and by whom
when was the first laptop invented and by whom
July 1980 Yukio Yokozawa
July 1980 Yukio Yokozawa