Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6879558 | Switching method for bidirectional line switched ring and node apparatus used in the ring | Takashi Honda, Junichi Moriyama | 2005-04-12 |
| 6785224 | Ring configuring method and node apparatus used in the ring | Kumiko Uematsu, Takashi Honda, Junichi Moriyama, Kazunari Shiota, Hidetoshi Kawamura +3 more | 2004-08-31 |
| 6668280 | System configuration setting method and transmission apparatus | Tamaki Okamoto | 2003-12-23 |
| 6513120 | Security system for transmission device | Kazuhiro Hata | 2003-01-28 |