Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5435950 | Method for forming a nozzle employed in continuous casting | Satoshi Oya, Teruhisa Kawashima, Koji Kawarada | 1995-07-25 |
| 4995535 | Nozzle device for discharging molten metal | Satoshi Ooya, Teruhisa Kawashima, Toshio Kawamura | 1991-02-26 |
| 4858794 | Submerged nozzle for steel casting | Kunishige Tokunaga, Teruhisa Kawashima | 1989-08-22 |
| 4691844 | Immersion nozzle for continuous casting | Yoshihiro Ishino, Kunishige Tokunaga | 1987-09-08 |