Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5565667 | System and process for reading hologram code, hologram and card containing hologram | Norio Takahashi | 1996-10-15 |
| 5444225 | System and process for reading hologram code, hologram and card containing hologram | Norio Takahashi | 1995-08-22 |