Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656260 | ZnS-series sintered material and method for producing the same, target using the ZnS-series sintered material, thin film, and optical recording medium using the thin film | Takashi Ueno | 2003-12-02 |
| 6657795 | Zoom lens device | Syunji Nishimura, Masaya Nozawa | 2003-12-02 |