Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375117 | Maintenance communication control system in an | Sumie Morita, Takashi Hatano, Ryouzi Takano, Hisashi Koga | 1994-12-20 |
| 5283788 | ISDN D channel congestion control method | Sumie Morita, Takashi Hatano, Masako Shinmura, Hisashi Koga | 1994-02-01 |