Ihara's full name in Japanese is 井原 正巳 (Ihara Masami). The surname Ihara is written with the kanji 井 (i, "well") and 原 (hara, "field"). The given name Masami is written with the kanji 正 (masa, "correct") and 巳 (mi, "snake").
Mastering Masami: The Ultimate Ihara Quiz Challenge!