History of science and technology in Japan at the Computer Technique Group, Japan, in 1967. The first electronic printer was the EP-101, invented by Japanese company Epson and released in 1968. The world's first inkjet printer was Casio's Typuter, released in 1971. Thermal transfer printing was invented by SATO corporation, a Japanese company. They produced the world's first thermal transfer label printer, SATO M-2311, in 1981. The concept of a single-chip microprocessor CPU (central processing unit) was conceived in a 1968 meeting in Japan between Sharp engineer Tadashi Sasaki and an unnamed female software engineering researcher from Nara Women's College. He discussed the concept at a brainstorming
Calculator 1976, the cost of the cheapest four-function pocket calculator had dropped to a few dollars, about 1/20th of the cost five years before. The results of this were that the pocket calculator was affordable, and that it was now difficult for the manufacturers to make a profit from calculators, leading to many firms dropping out of the business or closing down. The firms that survived making calculators tended to be those with high outputs of higher quality calculators, or producing high-specification scientific and programmable calculators. The first calculator capable of symbolic computing was the HP-28C, released in 1987. It could,