Den Isei General information kanji chinese Tian Yisheng nationality Taiwan residence Japan born 1967-02-13 teachers Tsujii Ryotaro insei 1982 rank 4 pro status Professional affiliation Nihon Ki-in, Kansai, Japan pid 253 www http://www.nihonkiin.or.jp/player/htm/ki000253.htm biography Den Isei, Born February 13, 1967 in Taiwan.