Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661711 | Optical recording and reproducing apparatus | Toshihiro Sugaya | 1997-08-26 |
| 5617449 | IC memory card type radio modem | — | 1997-04-01 |
| 5615200 | Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head | Isao Hoshino, Shoko Wachi, Yoshinori Honguh | 1997-03-25 |
| 5610941 | IC card radio modem | Kohei Nishiyama | 1997-03-11 |