Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9472227 | Perpendicular magnetic recording media and methods for producing the same | Iwao Okamoto | 2016-10-18 |
| 8431257 | Perpendicular magnetic recording medium | Kong-Kyeom Kim, Tomoko Seki, Satoshi Ishii | 2013-04-30 |
| 4433649 | Engine | — | 1984-02-28 |