Save Gender Masculine Usage Japanese Scripts 伸明, etc.(Japanese Kanji) Pronounced Pron. Noh-boo-ah-key [key] Meaning & History From Japanese 信 (nobu) meaning "trust", 延 (nobu) meaning "prolong, stretch", and 晶 (aki) meaning "clear, crystal", 明 (aki) meaning "bright, light, clear" or 秋 (aki) meaning "autumn". Other kanji combinations are also possible.