On April 4, 2022, in anticipation of "Invention Day" on April 18, the Japan Patent Office (JPO) opened a panel exhibition on the first floor of the JPO building, "Japanese Inventions that Contributed to Innovation" and "Ask a Child Inventor! " were opened to the public.

By exhibiting inventions that were first developed in Japan and spread throughout the world, the exhibition is designed to help young people, such as IP beginners, children and students who will support future industries, understand the importance of innovation creation and the intellectual property system.
Many familiar inventions are on display, including "QR codes," "dishwashers," and "cooling gel sheets."
 
Japan Patent Office
https://www.meti.go.jp/press/2022/04/20220413001/20220413001.html