Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814800 | Method for treating photorefractive effect of an optical device and photorefractive effect-suppressed optical frequency conversion device | Kenji Kitamura, Shunji Takekawa, Masaru Nakamura | 2004-11-09 |
| 6738397 | Solid-state light source apparatus | Shuhei Yamamoto, Yoshihito Hirano, Ichiro Shoji, Takunori Taira | 2004-05-18 |