Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6323757 | Vibration motor assembly | — | 2001-11-27 |
| 5499398 | Wristwatch-type selective calling receiver | Kazuhiro Kudoh | 1996-03-12 |
| 5420576 | Personal radio paging receiver having sync signal controlled DC/DC converter | Masahiro Matai | 1995-05-30 |