Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9691599 | Ultraviolet light emitting device that can suppress time-dependent decrease in emission intensity during continuous operation | Yoshiki Sasaki, Nobuaki Nagao | 2017-06-27 |
| 9691600 | Ultraviolet light emitting device | Yoshiki Sasaki, Nobuaki Nagao | 2017-06-27 |
| 9649401 | Ultraviolet irradiation apparatus | Nobuaki Nagao, Yoshiki Sasaki | 2017-05-16 |
| 8142684 | Method of manufacturing blue silicate phosphor, and blue silicate phosphor and light-emitting device | Seigo Shiraishi, Kojiro Okuyama, Masahiro Sakai | 2012-03-27 |
| 7902756 | Phosphor, light-emitting device, and plasma display panel | Masahiro Sakai, Seigo Shiraishi, Kojiro Okuyama | 2011-03-08 |
| 7468145 | Phosphor and treatment method for the same | Masatoshi Kitagawa, Masaharu Terauchi, Junko Asayama | 2008-12-23 |
| 7285913 | Plasma display device having blue phosphor layers with alkaline earth metal aluminate containing molybdenum or tungsten | Kojiro Okuyama, Masahiro Sakai, Seigo Shiraishi, Kazuhiko Sugimoto, Masaki Aoki +1 more | 2007-10-23 |
| 7238303 | Phosphor and plasma display device | Kojiro Okuyama, Masahiro Sakai, Seigo Shiraishi, Kazuhiko Sugimoto, Masaki Aoki +1 more | 2007-07-03 |
| 7153451 | Phosphors and related manufacturing method, display device, and fluorescent lamp | Masatoshi Kitagawa, Masaharu Terauchi, Junko Asayama, Masahiro Sakai | 2006-12-26 |