Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D301875 | Handset for a mobile telephone set | Minoru Hotsumi | 1989-06-27 |
| D301455 | Battery charger for a portable radio telephone set | Minoru Hotsumi | 1989-06-06 |
| D301474 | Cradle for a portable radio telephone set | Minoru Hotsumi | 1989-06-06 |