Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821021 | Selective calling radio display pager having a message recalling algorithm which simplifies operations | Toshifumi Sato | 1989-04-11 |
| 4818987 | Selective paging receiver with message display | Takashi Oyagi | 1989-04-04 |
| 4812813 | Display radio pager having graphic alarm for selective indication of memory availability factors | Toshifumi Sato | 1989-03-14 |