when was the first laptop invented and by whom
Laptop 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,[9][10] invented (patented) by Suwa Seikosha's Yukio Yokozawa in July 1980,[11] introduced at the COMDEX computer show in Las Vegas by Japanese company Seiko Epson in 1981,[12][10] and widely released in 1982.[10][13] 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.[10] It was described as a "laptop" and "notebook" computer in its patent.[11]