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)