Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643067 | Electro-optical device and electronic apparatus | Kimio Nagasaka, Osamu Okumura | 2003-11-04 |
| 6515953 | Processing method of a master disc for optical discs and processing method of grooves | Hidemichi Furihata, Hideaki Yamada | 2003-02-04 |
| 6512535 | Laser drawing apparatus and laser drawing method | Kimio Nagasaka | 2003-01-28 |