Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8049190 | Electron beam writing method, fine pattern writing system, method for manufacturing uneven pattern carrying substrate, and method for manufacturing magnetic disk medium | Toshihiro Usa | 2011-11-01 |
| 8030625 | Electron beam writing method, fine pattern writing system, method for manufacturing uneven pattern carrying substrate, and method for manufacturing magnetic disk medium | Toshihiro Usa | 2011-10-04 |
| 8031436 | Electron beam writing method for magnetic recording medium | Toshihiro Usa | 2011-10-04 |
| 7972764 | Electron beam writing method, fine pattern writing system, method for manufacturing uneven pattern carrying substrate, and method for manufacturing magnetic disk medium | Toshihiro Usa | 2011-07-05 |
| 7973297 | Electron beam writing method, fine pattern writing system, method for manufacturing uneven pattern carrying substrate, and method for manufacturing magnetic disk medium | Toshihiro Usa | 2011-07-05 |
| 7868308 | Electron beam writing method, fine pattern writing system, and manufacturing method of uneven pattern carrying substrate | Toshinori Usa | 2011-01-11 |