Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629839 | Method and apparatus for charging raw and carbonaceous materials into a moving hearth furnace | Tetsuya Yamamoto, Yoshitaka Sawa | 2003-10-07 |
| 6539602 | Method of repairing coke oven | Nozomu Tamura, Tetsuro Uchida, Nobuya Kamide, Yuzuru Osaki, Yoshiharu Sato | 2003-04-01 |