| 18 October 1990 |   | |
| 8 February 1991 |   | |
| 19 October 1990 |   | |
| 25 February 1992 |   | |
| 7 December 1993 |   | |
| 30 November 1991 |   | |
| 26 May 1989 |   | |
| 13 February 1992 |   | |
| 29 November 1989 |   | |
| 4 January 1990 |   | |
| 2 December 1997 | ||
| 2 October 1998 | ||
| 31 January 1998 | ||
| 20 October 1999 | ||
| 5 February 1999 | ||
| 26 October 1997 | ||
| co-discovered with Toshimasa Furuta |
|---|
is a Japanese astronomer affiliated with the Susono Observatory (886). He is a discoverer of minor planets, credited by the Minor Planet Center with the discovery of 16 numbered minor planets during 1989–1999.
In 1992 he discovered the asteroid 6251 Setsuko in collaboration with astronomer Toshimasa Furuta, and named it after his wife Setsuko Akiyama (b. 1953) in May 1996 .
The main-belt asteroid 4904 Makio, discovered by Yoshikane Mizuno and Toshimasa Furuta at Kani Observatory (403) in 1989, is named after him. Naming citation was published on 5 March 1996 .