Toshimasa Furuta (古田 俊正 Furuta Toshimasa) is a Japanese astronomer. He is a prolific discoverer of asteroids.[1]
| Asteroid | Provisional designation | Discovery date | Notes |
|---|---|---|---|
| 2478 Tokai | 1981 JC | 4 May 1981 | |
| 2908 Shimoyama | 1981 WA | 18 November 1981 | |
| 3814 Hoshi-no-mura | 1981 JA | 4 May 1981 | |
| 4265 Kani | 1989 TX | 8 October 1989 | with Yoshikane Mizuno |
| 4351 Nobuhisa | 1989 UR1 | 28 October 1989 | with Yoshikane Mizuno |
| 4353 Onizaki | 1989 WK1 | 25 November 1989 | with Yoshikane Mizuno |
| 4541 Mizuno | 1989 AF | 1 January 1989 | with Kenzo Suzuki |
| 4614 Masamura | 1990 QN | 21 August 1990 | with Yoshikane Mizuno |
| 4717 Kaneko | 1989 WX | 20 November 1989 | with Yoshikane Mizuno |
| 4799 Hirasawa | 1989 TC1 | 8 October 1989 | with Yoshikane Mizuno |
| 4835 - | 1989 BQ | 29 January 1989 | with Masayuki Iwamoto |
| 4903 Ichikawa | 1989 UD | 20 October 1989 | with Yoshikane Mizuno |
| 4904 Makio | 1989 WZ | 21 November 1989 | with Yoshikane Mizuno |
| 4951 Iwamoto | 1990 BM | 21 January 1990 | with Yoshikane Mizuno |
| 5236 Yoko | 1990 TG3 | 10 October 1990 | with Yoshikane Mizuno |
| 5287 Heishu | 1989 WE | 20 November 1989 | with Yoshikane Mizuno |
| 5288 Nankichi | 1989 XD | 3 December 1989 | with Yoshikane Mizuno |
| 5295 Masayo | 1991 CE | 5 February 1991 | with Yoshikane Mizuno |
| 5333 Kanaya | 1990 UH | 18 October 1990 | with Makio Akiyama |
| 5334 Mishima | 1991 CF | 8 February 1991 | with Makio Akiyama |
| 5399 Awa | 1989 BT | 29 January 1989 | with Masayuki Iwamoto |
| 5581 Mitsuko | 1989 CY1 | 10 February 1989 | with Masayuki Iwamoto |
| 5743 Kato | 1990 UW | 19 October 1990 | with Makio Akiyama |
| 5775 Inuyama | 1989 SP | 29 September 1989 | with Yoshikane Mizuno |
| 5777 Hanaki | 1989 XF | 3 December 1989 | with Yoshikane Mizuno |
| 5908 Aichi | 1989 UF | 20 October 1989 | with Yoshikane Mizuno |
| 5909 Nagoya | 1989 UT | 23 October 1989 | with Yoshikane Mizuno |
| 6228 Yonezawa | 1982 BA | 17 January 1982 | |
| 6251 Setsuko | 1992 DB | 25 February 1992 | with Makio Akiyama |
| 6383 Tokushima | 1988 XU1 | 12 December 1988 | with Masayuki Iwamoto |
| 6392 Takashimizuno | 1990 HR | 29 April 1990 | with Yoshikane Mizuno |
| 6419 Susono | 1993 XX | 7 December 1993 | with Makio Akiyama |
| 6554 Takatsuguyoshida | 1989 UO1 | 28 October 1989 | with Yoshikane Mizuno |
| 6661 Ikemura | 1993 BO | 17 January 1993 | with Yoshikane Mizuno |
| 6792 Akiyamatakashi | 1991 WC | 30 November 1991 | with Makio Akiyama |
| 6902 Hideoasada | 1989 US3 | 26 October 1989 | with Yoshikane Mizuno |
| 6961 Ashitaka | 1989 KA | 26 May 1989 | with Makio Akiyama |
| 7237 Vickyhamilton | 1988 VH | 3 November 1988 | with Kenzo Suzuki |
| 7238 Kobori | 1989 OA | 27 July 1989 | with Yoshikane Mizuno |
| 7240 Hasebe | 1989 YG | 19 December 1989 | with Yoshikane Mizuno |
| 7408 Yoshihide | 1989 SB | 23 September 1989 | with Yoshikane Mizuno |
| 7472 Kumakiri | 1992 CU | 13 February 1992 | with Makio Akiyama |
| 7518 - | 1989 FG | 29 March 1989 | with Kenzo Suzuki |
| 7648 Tomboles | 1989 TB1 | 8 October 1989 | with Yoshikane Mizuno |
| 7992 Yozan | 1981 WC | 28 November 1981 | |
| 8188 Okegaya | 1992 YE3 | 18 December 1992 | with Yoshikane Mizuno |
| 8251 Isogai | 1980 VA | 8 November 1980 | |
| 8272 - | 1989 SG | 24 September 1989 | with Yoshikane Mizuno |
| 8273 Apatheia | 1989 WB2 | 29 November 1989 | with Makio Akiyama |
| 8278 - | 1991 JJ | 4 May 1991 | with Yoshikane Mizuno |
| 8351 - | 1989 EH1 | 10 March 1989 | with Kenzo Suzuki |
| 8487 - | 1989 SQ | 29 September 1989 | with Yoshikane Mizuno |
| 8490 - | 1989 TU10 | 4 October 1989 | with Yoshikane Mizuno |
| 8851 - | 1990 XB | 8 December 1990 | with Yoshikane Mizuno |
| 8864 - | 1991 VU | 4 November 1991 | with Yoshikane Mizuno |
| 8873 - | 1992 UM2 | 21 October 1992 | with Yoshikane Mizuno |
| 9033 Kawane | 1990 AD | 4 January 1990 | with Makio Akiyama |
| 9039 - | 1990 WB4 | 16 November 1990 | with Yoshikane Mizuno |
| 9943 - | 1989 UG3 | 29 October 1989 | with Masayuki Iwamoto |