Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080173 | Fluorescent substance containing rare earth metal, luminous composition comprising the same, process for manufacturing thereof, and light-emitting element comprising the fluorescent substance | Takahiro Sato, Hiroki Iwanaga, Shinji Murai | 2011-12-20 |
| 7960909 | Light-emitting device, method for producing the same and fluorescent device | Hiroki Iwanaga | 2011-06-14 |
| 7902741 | Fluorescent complex and lighting system using the same | Hiroki Iwanaga, Fumihiko Aiga | 2011-03-08 |