is a Japanese former javelin thrower. He set the world best year performance in 1989, throwing 87.60 metres at a meet in San Jose, California, United States on May 27, 1989. Initially, it was announced as a new world record of 87m86, 20cm higher than the previous world record, but the measurer re-measured it with a plastic tape measure and announced it as 87m60.
| 1983 | Asian Championships | Kuwait City, Kuwait | 2nd | ||
| 1984 | Olympic Games | Los Angeles, United States | 20th | 74.82 m | |
| 1985 | Asian Championships | Jakarta, Indonesia | 3rd | ||
| 1986 | Asian Games | Seoul, South Korea | 1st | ||
| 1987 | World Championships | Rome, Italy | 6th | 80.24 m | |
| 1988 | Olympic Games | Seoul, South Korea | 19th | 77.46 m | |
| 1990 | Asian Games | Beijing, China | 3rd | ||
| 1991 | World Championships | Tokyo, Japan | 29th | 73.78 m | |
| 1995 | World Championships | Gothenburg, Sweden | 34th | 68.66 m |