Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441935 | Optical packet exchange system and optical switch | Soichiro Araki, Yoshihiko Suemura, Akio Tajima, Seigo Takahashi, Naoya Henmi | 2002-08-27 |
| 6429955 | Optical network | Yoshihiko Suemura, Soichiro Araki, Akio Tajima, Seigo Takahashi, Naoya Henmi | 2002-08-06 |
| 6373911 | Bit synchronization circuit | Akio Tajima, Yoshihiko Suemura, Soichiro Araki, Seigo Takahashi, Naoya Henmi | 2002-04-16 |
| 6243178 | Optical crossbar network using wavelength division multiplexing an optical crossbar exchange | Yoshihiko Suemura | 2001-06-05 |
| 5905587 | Optical network device | Naoya Henmi | 1999-05-18 |
| 5812290 | Optical switching unit and control method for same | Yoshihiko Suemura, Naoya Henmi | 1998-09-22 |
| 5786917 | Optical switching network and control method for same | — | 1998-07-28 |