Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8107807 | Lighting device, image pickup apparatus and portable terminal unit | Hiroki Iwanaga, Akio Amano, Kenji Shimomura, Hideto Furuyama | 2012-01-31 |
| 7923740 | Light emission device | Masami Okamura, Masaaki Tamatani, Naomi Shida, Yukihiro Fukuta | 2011-04-12 |
| 7838311 | Process for producing light-emitting semiconductor device | Akiko Suzuki, Shinetsu Fujieda, Tatsuoki Kono, Toshihide Takahashi, Hiroaki Oshio +1 more | 2010-11-23 |
| 7799245 | Fluorescent substance and light-emitting device using the same | Naomi Shida, Masaaki Tamatani, Yoshihito Tsutsui, Ryosuke Hiramatsu | 2010-09-21 |
| 7635438 | Luminescent material | Masaaki Tamatani, Hisayo Uetake, Ryosuke Hiramatsu, Yasushi Hattori, Naomi Shida | 2009-12-22 |
| 7601277 | Fluorescent substance and light-emitting device using the same | Naomi Shida, Masaaki Tamatani, Yoshihito Tsutsui, Ryosuke Hiramatsu | 2009-10-13 |
| 7572391 | Fluorescent substance and light-emitting device using the same | Naomi Shida, Masaaki Tamatani, Yoshihito Tsutsui, Ryosuke Hiramatsu | 2009-08-11 |
| 7498736 | Luminescent material | Ryosuke Hiramatsu, Masaaki Tamatani, Hironori Asai | 2009-03-03 |
| 7468147 | Fluorescent substance and light-emitting device using the same | Naomi Shida, Masaaki Tamatani, Yoshihito Tsutsui, Ryosuke Hiramatsu | 2008-12-23 |
| 7414272 | Fluorescent substance containing nitrogen, method for manufacturing the same, and light-emitting device | Ryosuke Hiramatsu, Naomi Shida, Masaaki Tamatani, Hisayo Uetake, Yoshihito Tsutsui | 2008-08-19 |