Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7799245 | Fluorescent substance and light-emitting device using the same | Naomi Shida, Masaaki Tamatani, Kazuaki Ootsuka, Ryosuke Hiramatsu | 2010-09-21 |
| 7601277 | Fluorescent substance and light-emitting device using the same | Naomi Shida, Masaaki Tamatani, Kazuaki Ootsuka, Ryosuke Hiramatsu | 2009-10-13 |
| 7572391 | Fluorescent substance and light-emitting device using the same | Naomi Shida, Masaaki Tamatani, Kazuaki Ootsuka, Ryosuke Hiramatsu | 2009-08-11 |
| 7468147 | Fluorescent substance and light-emitting device using the same | Naomi Shida, Masaaki Tamatani, Kazuaki Ootsuka, Ryosuke Hiramatsu | 2008-12-23 |
| 7414272 | Fluorescent substance containing nitrogen, method for manufacturing the same, and light-emitting device | Ryosuke Hiramatsu, Kazuaki Ootsuka, Naomi Shida, Masaaki Tamatani, Hisayo Uetake | 2008-08-19 |
| 7282717 | X-ray detector and X-ray examination apparatus using it | Masami Okamura, Eiji Oyaizu, Yukihiro Fukuta, Masaaki Tamatani, Mitsushi Ikeda +2 more | 2007-10-16 |
| 7201858 | Fluorescent substance, method of manufacturing fluorescent substance, and light emitting device using the fluorescent substance | Naomi Shida, Masaaki Tamatani, Kazuaki Otsuka, Ryosuke Hiramatsu | 2007-04-10 |