Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693197 | DC magnetron sputtering method and apparatus | Brij B. Lal, Allen J. Bourez | 1997-12-02 |
| 5693198 | Method of producing a magnetic recording medium | Brij B. Lal | 1997-12-02 |
| 5621221 | Toner end detection device and method | Kouichi Noguchi, Eiichi Sasaki, Kouichi Irie | 1997-04-15 |