Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6567386 | Polling control method, transmission control apparatus and transmission apparatus | Shigeru Sugaya | 2003-05-20 |
| 6542494 | Communication control method and transmission apparatus | Shigeru Sugaya, Hidemasa Yoshida, Takehiro Sugita | 2003-04-01 |