Japanese Government (MONBUKAGAKUSHO: MEXT) offers scholarships to international students who wish to study in graduate courses at Japanese universities as research students(either non-degree or degree students) under the Japanese Government (MEXT) Scholarship Program for 2017.
For further details, see the following.
http://www.eg.emb-japan.go.jp/e/study/research_students/applications2017.htm