Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805925 | Transmittable light-scattering sheets | Hiroyuki Takemoto | 2004-10-19 |
| 6778485 | Optical storage device having liquid crystal layers varying light in phase between 0 and &pgr; | Hiroyasu Yoshikawa, Shin Hasegawa | 2004-08-17 |