Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684673 | Electronic system having a portable electronic apparatus and an extention unit for extending functions of the portable electronic apparatus | Kazuya Shibasaki | 1997-11-04 |
| 5664118 | Computer system having detachable expansion unit | Nobutaka Nishigaki, Makoto Sakai | 1997-09-02 |