Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644193 | Phosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screen | Masaaki Tamatani, Keiko Albessard, Miwa Okumura, Takeshi Takahara, Takeo Itou | 1997-07-01 |
| 5640016 | Rare-earth oxysulfide scintillators and X-ray detectors using rare-earth oxysulfide scintillators | Masaaki Tamatani, Miwa Okumura, Kazuto Yokota | 1997-06-17 |