Nobuyuki Yashiki (屋敷 伸之, Yashiki Nobuyuki; January 18, 1972) is a Japanese professional shogi player ranked 9-dan. He is a former Kisei title holder and also holds the professional shogi record for being the fastest to win a major title since turning professional.
Source: “Nobuyuki Yashiki”, English Wikipedia (CC BY-SA 4.0), excerpt