Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360422 | Process for selectively aggregating coal powder | Naoki Oka, Takashi Ando | 1982-11-23 |
| 4323403 | Continuous annealing method for cold reduced steel strip | Kazuhide Nakaoka, Kenzi Araki, Kozi Iwase, Haruo Kubotera, Takao Kurihara | 1982-04-06 |