Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5920563 | Synchronous transfer mode/asynchronous transfer mode converting transmission path terminating apparatus | Satoshi Fukui, Hiroyuki Shimono, Masami Hashizume, Toshiharu Sakai, Tomoyuki Yamaguchi | 1999-07-06 |
| 5557437 | Optical terminal system having self-monitoring function | Toshiharu Sakai, Yoshinori Nakamura, Takashi Umegaki, Nobuo Iguchi, Miki Hagino +4 more | 1996-09-17 |