Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5497507 | Portable wireless telephone apparatus with use specific power monitoring | — | 1996-03-05 |
| 5392462 | Portable wireless telephone apparatus with use specific power monitoring | — | 1995-02-21 |
| 4891783 | Data terminal device | Akitoshi Aritaka | 1990-01-02 |