Issued Patents All Time
Showing 1–4 of 4 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 |
| 6258515 | Pattern forming method | Toshihiko Sato, Osamu Suzaki | 2001-07-10 |
| 4942534 | Signal-transmission type production supervising system including IC card and wireless type interface unit | Koichi Ogino, Hidetaka Suzuki | 1990-07-17 |