Norihiro's Swordsmith Achievements

Miyairi Norihiro, a contemporary Japanese swordsmith, achieved the distinction of being the youngest individual to earn the title of mukansa, a title exclusive to master swordsmiths. He also won the Masamune prize in 2010, awarded for the most outstanding sword, though none of his blades are recognized as ōwazamono, a category for exceptionally sharp swords, as his blades have never been tested on a cadaver or living person.