TOKYO, April 14 -- Japan Patent Office issued the following news:

On April 18, 1885 (year 18 of the Meiji Era), Korekiyo Takahashi, the first Commissioner of the Japan Patent Office, promulgated Patent Monopoly Act (the predecessor of the current Patent Law) and the patent system in Japan started.

Commemorating this, on January 28, 1954 (year 29 of the Showa Era), the Ministry of International Trade and Industry (the Ministry of Economy, Trade and Industry) stipulated April 18 as Invention Day to raise public awareness of industrial property rights system including patent system.

The introduction of patent system stimulated creativity and imagination of many inventors and numerous inventions were created, resulting in our comfortable and...