When and where was the QR code first invented, before it revolutionized retail product marketing worldwide?

In the world of retail and product marketing, technological innovations have transformed how consumers interact with products. Among these inventions, the QR code stands as a pivotal discovery that bridged physical products with digital information. Test your knowledge about this revolutionary retail technology that changed how brands connect with consumers and share product information.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

1994, Japan (Denso Wave, a Toyota subsidiary)
1987, United States (IBM research labs)
2002, South Korea (Samsung Electronics)
1998, Germany (Siemens industrial division)