Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8886039 | Optical packet switching system, optical packet switching device, and optical packet transmitter device | Shota Mori | 2014-11-11 |
| 8879910 | Optical packet switching system and optical packet transmitter device | Shota Mori | 2014-11-04 |
| 8837941 | Optical packet switching system and optical packet switching device | Shota Mori | 2014-09-16 |
| 8422888 | Optical transmission system | — | 2013-04-16 |
| 7689131 | WDM system | Takehiro Fujita, Motoyoshi Sekiya | 2010-03-30 |
| 6919987 | Light wavelength-multiplexing systems | Kazuo Takatsu, Yoshinori Tochiki, Takeshi Sakamoto | 2005-07-19 |
| 6441955 | Light wavelength-multiplexing systems | Kazuo Takatsu, Yoshinori Tochiki, Takeshi Sakamoto | 2002-08-27 |
| 5517493 | Line setting and phase adjusting apparatus for synchronous multiplex communications | Hideaki Mochizuki | 1996-05-14 |
| 5347565 | Order wire device having function for reducing noise in communication system having a plurality of order wire devices | — | 1994-09-13 |