Facts:   - retireddate: september , 2000    - weight: 183 kg lb on    - prizes: outstanding -rrb- performance -lrb- 1 -rrb- fighting spirit -lrb- 6    - record: 807-766-162    - name: 水戸泉 眞幸    - birth name: masato koizumi    - height: 1.94    - highestrank: sekiwake -lrb- september , 1986 -rrb-    - yushos: 1 -lrb- makushita -rrb- -lrb- makuuchi -rrb- 1 -lrb- jūryō -rrb- 1    - debut: march , 1978    - update: august 2007      - birth date: 2 september 1962    - heya: takasago    - native name: 水戸泉 眞幸    - image: mitoizumi 09 sep.jpg    - birth place: mito , ibaraki   Based on these bullet points, write a short biography describing the life of mitoizumi masayuki .
mitoizumi masayuki -lrb- born 2 september 1962 as masato koizumi -rrb- is a former sumo wrestler from mito , ibaraki , japan .his professional career spanned 22 years , from 1978 until 2000 .the highest rank he reached was `` sekiwake '' .he won over 800 career bouts and took the `` yūshō '' or championship in the top `` makuuchi '' division in 1992 .mitoizumi was nicknamed the `` salt shaker '' , due to his habit of throwing enormous quantities of purifying salt onto the ring -lrb- `` dohyō '' -rrb- during the pre-match preliminaries .he is now a coach , and is known as nishikido-oyakata .