Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7050207 | Optical pickup device using hologram pattern and hologram pattern generating method | Takayoshi Hiraga, Hiroshi Miyazawa | 2006-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7050207 | Optical pickup device using hologram pattern and hologram pattern generating method | Takayoshi Hiraga, Hiroshi Miyazawa | 2006-05-23 |