Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5847697 | Single-handed keyboard having keys with multiple characters and character ambiguity resolution logic | — | 1998-12-08 |
| 5745056 | Single-hand input keyboard | Kimiyo Takahashi | 1998-04-28 |