Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37834 | Magnetic roll and method of producing same | — | 2002-09-10 |
| 6421519 | Magnet roll having an anisotropic bonded magnet portion containing rare earth-iron-nitrogen magnet powder | Masahiro Tobise | 2002-07-16 |
| 6411457 | Recording/reproducing method and recording/reproducing apparatus | Kanzo Okada, Shunji Okada, Masayuki Nakayama, Minoru Watanabe | 2002-06-25 |