Save Gender Masculine Usage Japanese Scripts 信彦, 伸彦, etc.(Japanese Kanji) Pronounced Pron. NO-BOO-KHEE-KO [key] Meaning & History From Japanese 信 (nobu) meaning "faith, believe, trust" or 伸 (nobu) meaning "extend, stretch, open" combined with 彦 (hiko) meaning "boy, prince". Other kanji combinations are possible.