Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852783 | Information tools with multi-functional information key | Masayuki Hisamura | 1998-12-22 |
| 5266922 | Mobile communication apparatus | Matthew Paul Smith | 1993-11-30 |
| 4768219 | Cordless telephone | Masato Yamagata | 1988-08-30 |