Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644193 | Phosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screen | Naotoshi Matsuda, Masaaki Tamatani, Keiko Albessard, Miwa Okumura, Takeo Itou | 1997-07-01 |