Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5928556 | Refractory block for continuous casting | Noboru Tsukamoto, Yukinobu Kurashina, Kenji Yamamoto, Junichi Inoue, Hiroyasu Uiji | 1999-07-27 |
| 5614121 | Refractory block for continuous casting | Noboru Tsukamoto, Yukinobu Kurashina, Kenji Yamamoto, Junichi Inoue, Hiroyasu Uiji | 1997-03-25 |
| 5280878 | Plate brick for sliding gate valve | Harumi Kamegawa, Hiroshi Inoue | 1994-01-25 |
| 4913314 | Opening element for an insert nozzle of a slide gate valve apparatus and a method of opening said apparatus | Takashi Otsuka, Masahiko Nose, Kenji Yamamoto, Mototsugu Osada | 1990-04-03 |
| 4756452 | Molten metal pouring nozzle | Noboru Tsukamoto, Hiroyasu Uiji | 1988-07-12 |