11/19 Dr. Arjen van Vliet, KVI(Groningen)/YITP(Kyoto)

10/29 Dr.Tetsuro Yamaoka (Nagoya University)

9/17 Dr.Yoichi Ikeda (RIKEN

9/7 Prof.Peter Dendooven(KVI, University of Groningen)

6/8 Prof.Dario Vretenar(University of Zagreb)

6/10 Prof.Georgi Georgiev (CSNSM, Orsay, France)

5/21 Prof.Koji Nakai (International Institute for Advanced Studies/KEK)

5/17 Prof.Stephan Ettenauer (for the TITAN collaboration)

5/12 Seminar and Discussions on Double Beta Decay
Prof. Mihai Horoi (Central Michigan University)/Dr. S. Umehara (Osaka University)

4/30 Prof. Yoshikazu Fujiwara (Kyoto University)

4/27　Prof. August Wierling(Institut fur Physik, Universitat Rostock, Germany)

4/23　Prof. Le Hong Khiem
(Institute of Physics, Vietnam Academy of Science and Technology, Vietnam)

3/26　Prof. Yu-Min Zhao(Shanghai-Jiatong University)

3/2　Prof. H.W.Wilschut(Kernfysisch Versneller Instituut, University of Groningen)

1/28　Prof. Veljko Dmitorasinovic (Vinca Institute, Serbia)

1/15　Prof. Kiyoshi Kato (Hokkaido University)