Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899825 | Bivalent metal silicate phosphor and process for its production, and a phosphor paste composition and a vacuum ultraviolet ray excitation type light-emitting device employing such a phosphor | Kouhei Matsuda | 2005-05-31 |