Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876681 | Packet switching equipment and a packet switching method for controlling packet switched networks | Masayoshi Hagiwara, Michio Suzuki, Ryoichi Sasaki, Minoru Sugano, Akira Horiki | 1989-10-24 |