What honours and certifications did Oda hold?

The Sakai Uchihamono Traditional Craftsmen's Association (堺打刃物伝統工芸士会) registers him as in the craft since 1954. He was certified a Traditional Craftsman (伝統工芸士) in 1987 in the sharpening division, awarded the Order of the Sacred Treasure, Silver Rays (瑞宝単光章) in 2007, and named a Sakai City Monozukuri Meister (堺市ものづくりマイスター). He also served as head of a sharpeners' association, though the record we have does not name which one.