Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8125139 | Fluorescent substance and process for producing the same, and luminescent element using the same | Masahiro Ibukiyama, Kenji Nomura | 2012-02-28 |
| 8003011 | β type sialon fluorescent substance | Naoto Hirosaki, Masahiro Ibukiyama | 2011-08-23 |
| 7906040 | α-Sialon, α-sialon phosphor and method for producing the same | Mamoru Mitomo, Naoto Hirosaki, Masahiro Ibukiyama | 2011-03-15 |
| 7355853 | Module structure and module comprising it | Masahiro Ibukiyama, Isao Sugimoto, Manabu Uto | 2008-04-08 |