The Matsumae International Foundation announced its research fellowships program at host institutions in Japan in 2021 and invited representatives of the Bulgarian scientific community to submit applications. It is stated that priority will be given to researchers in the natural sciences, engineering sciences or medicine
The requirements for applicants are as follows:
Receive a letter of invitation from a host institution in Japan;
Have a PhD or equivalent recognized by the Matsumae International Foundation;
Must be under 49 years old (inclusive) at the time of submission;
Have a good command of English or Japanese;
Have not stayed in Japan for a long time, except for a short stay for the purpose of a trip or a conference;
Work and return to their countries after the program is completed.
Link from HERE