Save Gender Masculine Usage Japanese Scripts 晃一, 幸一, 光一, 孝一, 弘一, 浩一, 宏一, 耕一, etc.(Japanese Kanji) Pronounced Pron. /ko̞ː.i.t͡ɕi/ [key·simplify] Other Forms FormsKoichi, Kōichi Meaning & History Alternate transcription of Kōichi.