Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6704419 | Information providing system | — | 2004-03-09 |
| 6442404 | Portable telephone | — | 2002-08-27 |
| 6282612 | Removable memory device for portable terminal device | Keiichi Hayashi | 2001-08-28 |