Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7123312 | Apparatus having a rewritable display portion | — | 2006-10-17 |
| 6980261 | Apparatus having a rewritable display portion | — | 2005-12-27 |
| 6778227 | Apparatus having a rewritable display portion | — | 2004-08-17 |
| 6201587 | Apparatus having a rewritable display portion | — | 2001-03-13 |
| 6128604 | Card holder | Hideo Hiramatsu | 2000-10-03 |