Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329526 | Trunk line identification system | Shigeru Murata | 1994-07-12 |
| 5010329 | Block polling data communication system having optimum block determination means | — | 1991-04-23 |