Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344204 | Apparatus for cleaning door frames of coke ovens | Kenji Fujita, Kazuo Korehisa, Hirosi Asaba, Hideo Harada | 1982-08-17 |
| 4292137 | Door lifter for coke oven | Kenji Fujita, Yuji Shibata, Hisao Mikuni | 1981-09-29 |