Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4761779 | Subscriber's line switching control system | Takashi Nara, Yoshio Morita, Takashi Hatano, Yutaka Kawato | 1988-08-02 |
| 4661946 | Digital switch module having encoding law conversion capability | Atsuhisa Takahashi, Takashi Nara, Masami Murayama | 1987-04-28 |