Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667854 | Magnetic head having head element protected from electrostatic damage, and production method therefor | Toshihiko Sato, Sadao Kawata | 2003-12-23 |
| 6638670 | Exposure mask and exposure method using the same | Toshihiko Sato, Jun Iwasaki, Masaki Ikegami, Masami Kobayashi | 2003-10-28 |