Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794488 | Method for purifying a thermoplastic norbornene resin, a substrate using such a resin, and a magnetic recording medium using such a substrate | Syoji Sakaguchi, Katsunori Suzuki | 2004-09-21 |
| 6743530 | Method for purifying a thermoplastic norbornene resin, a substrate using such a resin, and a magnetic recording medium using such a substrate | Syoji Sakaguchi, Katsunori Suzuki | 2004-06-01 |
| 6722057 | Method of drying thermoplastic norbornene resin and method of manufacturing magnetic recording medium | Syoji Sakaguchi, Katsunori Suzuki | 2004-04-20 |