Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648160 | Magnetic powder, method for producing the same and use of the same | Mikio Kishimoto, Shinichi Kitahata, Noriaki Ohtani, Toshinobu Sueyoshi | 1997-07-15 |
| 5611958 | Infrared phosphor and material having latent images and optical reading system using said phosphor | Yoji Takeuchi, Toshio Oshima, Ryuzo Fukao | 1997-03-18 |