Japanese patent laid-open

1. Log in to Yahoo Japan directly, enter "Japan Patent Office", and click to enter the website of Japan Patent Office;

2. Then click on the top right of the homepage of the website, and click on the Chinese-Korean translation search area (see figure 1) to find the desired information;

3. The free service of the website of Japan Patent Office is not open every day, and the white part of the calendar is open day (see Figure 2).