Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10967421 | Method of reusing core sand | Daisuke Yamashita, Hirotsune Watanabe | 2021-04-06 |
| 10946436 | Filling method and filling device for kneaded sand | Masahide Seko, Takumi Maegawa, Takashi Nagaya, Toshio Kanno, Hirotaka Kurita | 2021-03-16 |