Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610913 | Switching equipment for performing a switching operation for a high-speed packet in broadband Integrated Services Digital Network | Hiroshi Tomonaga, Naoki Matsuoka, Miwako Watanabe, Satoshi Kuroyanagi, Yutaka Ezaki +2 more | 1997-03-11 |
| 5594902 | Custom service control system | Takashi Nishigaya, Naoto Itoh, Toshihiro Ide, Masahiro Hirayama | 1997-01-14 |