The doctoral stage in Japan is called postdoctoral course, and it can only be entered through the entrance examination of the school. The exam is only held in Japan. Generally, international students need to apply for doctoral studies for about half a year, and then enter the postdoctoral program through the entrance examination, and get a doctorate three years later.

Regarding the requirements, there are basically no hard and fast rules for applying for doctoral students except for a master's degree. The admission of graduate students is decided by the tutor. If you know that the tutor agrees to admit you, the school will send you an admission notice.

In order to improve their application advantages, it is best to meet the following requirements.

Generally speaking, science and engineering students are required to reach at least N3 in Japanese and can communicate with their tutors. It is best to take the TOEFL in English, and the best score is about 85.

Professionally, don't do too badly in school, and it's best to keep it at about 80 points and above GPA3.5. Although the tutor has no clear performance requirements, the higher the better. If you have published relevant papers and participated in relevant research projects, it is also very helpful for your application.

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