久保 jiǔbǎo Kubo Origin Definitions Defs Strokes Stroke Words Sentences Sents 大久保 dàjiǔbǎo Okubo Japanese surname and place name大久保利通 dàjiǔbǎolìtōng Ōkubo Toshimichi Japanese politician (1830-1878) who was one of the three Great Nobles of the Meiji Restoration