Katsuhiko Murooka
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| Katsuhiko Murooka 8-dan | |
|---|---|
| Native name | 室岡克彦 |
| Date of Birth | 21 March 1959 |
| Place of Birth | Arakawa Ward, Tokyo Metropolis |
| Teacher | Yuji Sase Honorary 9-dan |
| Rank | Date |
|---|---|
| 6-kyu | 1973 |
| 1-dan | 1977 |
| 4-dan | 16 December 1981 |
| 5-dan | 1 April 1985 |
| 6-dan | 22 May 1991 |
| 7-dan | 30 May 2002 |
| 8-dan | 1 April 2023 |
| Retired | 18 June 2024 |