Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355278 | Portable electronic apparatus having an electro-magnetic shield supporting a keyboard | Takashi Hosoi, Keizo Ohgami | 1994-10-11 |
| 5331508 | Portable electronic apparatus having a removable keyboard unit | Takashi Hosoi, Keizo Ohgami | 1994-07-19 |