Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625618 | Optical recording medium employing an intermittent pattern for guiding tracks and tracking apparatus for the same | — | 1997-04-29 |
| 5605561 | Tantalum powder and electrolytic capacitor using same | Katsuo Iwabuchi, Tadashi Komeya, Dieter Behrens | 1997-02-25 |