Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824958 | Method of manufacturing photomask and method of manufacturing semiconductor integrated circuit device | Norio Hasegawa | 2004-11-30 |
| 6750496 | Manufacturing method of semiconductor integrated circuit device, and semiconductor integrated circuit device | Akira Imai, Norio Hasegawa | 2004-06-15 |
| 6733953 | Photomask and pattern forming method employing the same | Norio Hasegawa, Fumio Murai | 2004-05-11 |
| 6713231 | Method of manufacturing semiconductor integrated circuit devices | Norio Hasegawa, Akira Imai | 2004-03-30 |
| 6706452 | Method of manufacturing photomask and method of manufacturing semiconductor integrated circuit device | Norio Hasegawa | 2004-03-16 |