Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359604 | Input-output signal control apparatus | Ryuichi Kondo, Haruo Yamashita | 1994-10-25 |
| 5303231 | Switch coupled between input and output ports in communication system | Toshio Shimoe, Hiroshi Takeo | 1994-04-12 |