Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644193 | Phosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screen | Naotoshi Matsuda, 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 | Naotoshi Matsuda, Miwa Okumura, Kazuto Yokota | 1997-06-17 |
| 5604396 | Luminescent material for mercury discharge lamp including phosphor and a continuous protective layer | Akio Watanabe, Shoji Naoki, Fumiyasu Yanagisawa, Kenji Terashima | 1997-02-18 |