Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611958 | Infrared phosphor and material having latent images and optical reading system using said phosphor | Toshio Oshima, Ryuzo Fukao, Hisao Kanzaki | 1997-03-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611958 | Infrared phosphor and material having latent images and optical reading system using said phosphor | Toshio Oshima, Ryuzo Fukao, Hisao Kanzaki | 1997-03-18 |