JGRG1(Tokyo Metropolitan University, 4th Dec - 6th Dec 1991)
JGRG2(Waseda University, 18th Jan -20th Jan 1993)
JGRG3(The University of Tokyo, 17th Jan - 20th Jan 1994)
JGRG4(YITP, Kyoto University, 28th Nov - 1st Dec 1994)
JGRG5(Nagoya University, 22nd Jan-25th Jan 1996)
JGRG6(Tokyo Institute of Technology, 2nd Dec - 5th Dec 1996)
JGRG7(YITP, Kyoto University, 27th Oct - 30th Oct 1997)
JGRG8(Niigata University, 19th Oct - 22nd Oct 1998)
JGRG9(Hiroshima University, 3rd Nov - 6th Nov 1999)
JGRG10(Osaka University, 11th Sep - 14th Sep 2000)
JGRG11(Waseda University, 9th Jan - 12th Jan 2002)
JGRG12(Komaba, The University of Tokyo, 25th Nov - 28th Nov 2002)
JGRG13(Osaka City University, 1st Dec - 4th Dec 2003)
JGRG14(YITP, Kyoto University, 29th Nov - 3rd Dec 2004)
JGRG15(Tokyo Institute of Technology, 28th Nov - 2rd Dec 2005)
JGRG16(Niigata Prefectural Center, 27th Nov - 1st Dec 2006)
JGRG17(Nagoya University, 3rd Dec - 7th Dec 2007)