Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815725 | Semiconductor light emitting device having a fluorescent material emitting light of a secondary wavelength | Hideto Sugawara, Koichi Nitta, Hirohisa Abe, Yasuo Idei | 2004-11-09 |
| 6674097 | Semiconductor light emitting device including a fluorescent material | Satoshi Komoto, Koichi Nitta, Nobuhiro Suzuki, Hideto Sugawara, Chisato Furukawa | 2004-01-06 |