Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734875 | Fullcolor LED display system | Masatoshi Ohishi | 2004-05-11 |
| 6690341 | Method of displaying high-density dot-matrix bit-mapped image on low-density dot-matrix display and system therefor | Masatoshi Oishi | 2004-02-10 |