Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643100 | Magnetic head having a chamfer thereof oriented toward medium and method for manufacturing the same | — | 2003-11-04 |
| 6638670 | Exposure mask and exposure method using the same | Toshihiko Sato, Masaki Ikegami, Masami Kobayashi, Masaharu Yokoyama | 2003-10-28 |