二维码之父，错失一个亿却获得最大的快乐

Core Viewpoint - The article discusses the history and significance of QR codes, emphasizing the decision of their inventor, Masahiro Hara, to open the patent, which allowed for widespread adoption and innovation in their use [5][6]. Group 1: QR Code Invention and Impact - The QR code was invented by Masahiro Hara, an engineer at Denso, a Japanese automotive parts manufacturer, 30 years ago [5]. - Hara believed that the decision to open the patent was beneficial as it lowered the usage barrier and allowed creativity to flourish, leading to the QR code's widespread popularity [6][7]. - The article highlights that the initial lack of vision regarding the potential applications of QR codes did not hinder their eventual success and integration into daily life [6]. Group 2: Technical Development of QR Codes - The development of QR codes involved significant technical challenges, particularly in making the product user-friendly and efficient [7]. - Hara dedicated six months to perfecting the design of the positioning markers that help machines quickly identify QR codes, believing in a "golden ratio" for their dimensions [7]. - The design process was rigorous, involving extensive research and testing, showcasing the elegance and sophistication of the QR code's structure [7].