Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375226 | Portable type data entry terminal having a keyboard input device and a graphic input device | Eiichi Tanaka, Sunichi Kawashima | 1994-12-20 |
| 5278399 | Data entry unit | — | 1994-01-11 |