To promote international scientific cooperation, the Japan Society for the Promotion of Science encourages highly qualified researchers from the worldover to come to and conduct joint research activities with colleagues at Japanese universities and research institutes. JSPS offers postdoctoral fellowship programs, each with different eligibility requirements.

- Summer program for pre/ postdoctoral Researchers (2 monthes in summer)
- Postdoctoral Felloships for young researchers :
- Short term ( 1-2 months)
- Standard ( 12 - 24 Months)
- Pathway to university positions in Japan ( 12-24 months)
- Invitation Fellowships for Mid-career, senior and Eminent Reseachers:
- Short Term (7-30 days)
- Short Term ( 14 - 60 days)
- Long Term ( 2 - 10 months)

More Information : http://www.jsps.go.jp/english/e-fellow/index.html