1. National Institute for Agro-Environmental Sciences
2. Research Fellow of the Japan Society for the Promotion of Science
3. Bioprocess Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)
4. Genetic Resources Center, National Institute of Agrobiological Sciences
5. Horticulture Research Division, NARO Kyushu Okinawa Agricultural Research Center
6. Research Institute for Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST)