Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040633 | Magnetic head and magnetic recording-reproducing apparatus | Akimasa Kaizu, Kazuya Shimakawa | 2011-10-18 |
| 7938990 | Pattern drawing method, method of manufacturing a master disk for manufacturing information recording media, and method of manufacturing an information recording medium | — | 2011-05-10 |
| 7880997 | Magnetic recording apparatus and magnetic recording medium | Akimasa Kaizu, Satoshi Tomikawa | 2011-02-01 |
| 7864468 | Magnetic recording and reproducing apparatus including a magnetic recording medium and a magnetic head for recording data on the magnetic recording medium | Akimasa Kaizu, Katsumichi Tagami | 2011-01-04 |
| 7864469 | Information recording medium, recording/reproducing apparatus, and stamper | Kazuya Shimakawa | 2011-01-04 |