Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670079 | Photorefractive material | Yasunori Furukawa, Shunji Takekawa, Myeongkyu Lee, Hideki Hatano, Satoru Tanaka +1 more | 2003-12-30 |
| 6624923 | Optically functional device, single crystal substrate for the device and method for its use | Yasunori Furukawa, Shunji Takekawa, Masaru Nakamura | 2003-09-23 |
| 6535472 | Hologram recording apparatus and method therefor | Myeongkyu Lee, Yasunori Furukawa, Shunji Takekawa, Hideki Hatano | 2003-03-18 |