Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597790 | Method of producing unbaked agglomerates | Seiji Matsui, Tsuneo Miyashita, Noboru Sakamoto | 1986-07-01 |
| 4396424 | Method for recovering useful metals from dust discharged from metal refining metallurgical furnace | Hisashi Watanabe, Yoshiro Suzawa | 1983-08-02 |