Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7147944 | Substrate for magnetic recording media using dried thermoplastic norbornene resin and magnetic recording media using substrate | Youich Tei, Katsunori Suzuki | 2006-12-12 |
| 6939595 | Magnetic recording medium substrate using thermoplastic allyloxymethylstyrene resin, magnetic recording medium using the substrate, and method of manufacturing the magnetic recording medium | Youichi Tei, Kouichi Tsuda, Ryoji Kobayashi | 2005-09-06 |
| 6794488 | Method for purifying a thermoplastic norbornene resin, a substrate using such a resin, and a magnetic recording medium using such a substrate | Youich Tei, 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 | Youich Tei, Katsunori Suzuki | 2004-06-01 |
| 6722057 | Method of drying thermoplastic norbornene resin and method of manufacturing magnetic recording medium | Youich Tei, Katsunori Suzuki | 2004-04-20 |