is a Japanese professional shogi player ranked 7-dan.
Early life, amateur shogi and apprenticeship
Katsumata was born on March 21, 1969, in Zama, Kanagawa. As a junior high school student, Katsumata won the 8th in 1983. Later that same year, he was accepted into the Japan Shogi Association's apprentice school at the rank of 6-kyū as a student of shogi professional . He was promoted to amateur professional 1-dan in 1986 and was awarded full professional status and the corresponding rank of 4-dan in April 1995.
Shogi professional
Promotion history
The promotion history for Katsumata is as follows: