Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7546937 | Poured molten metal quantity control device | Tsuneo Kondo, Ryuzo Nishimachi, Tomohiro Yotabun | 2009-06-16 |
| 7322496 | Brick body for rotary nozzle | Tomohiro Yotabunn, Tsuyoshi Mizuno, Hideto Takasugi, Tsuneo Kondo | 2008-01-29 |
| 5249717 | Rotary nozzle | Motoo Amano, Masashi Matsuura | 1993-10-05 |
| 4991753 | Door-type rotary nozzle | Tetsuya Yoshihara, Mioshi Sakamoto | 1991-02-12 |
| 4978040 | Rotary nozzles | Tetsuya Yoshihara, Mioshi Sakamoto | 1990-12-18 |
| 4294437 | Slide closure for the pouring nozzle of a molten metal vessel | Hajimu Sawada | 1981-10-13 |