Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8611745 | Passive optical network communication system | — | 2013-12-17 |
| 8401103 | Parallel decoder | Hideyuki Iwamura | 2013-03-19 |
| 8014675 | Passive optical network communication method and system | Masahiro Sarashina | 2011-09-06 |
| 7860395 | Optical access network system | Hideyuki Iwamura | 2010-12-28 |
| 7848345 | Communication network using code division multiplexing technology | Kazuhiko Matsuno | 2010-12-07 |
| 7746805 | Communication network using synchronous code division multiplexing method | Hideaki Tamai | 2010-06-29 |
| 7720336 | Code division multiplexing optical access network system | — | 2010-05-18 |
| 7630642 | Ranging method for communication system between optical line terminal and plurality of optical network units | Hideaki Tamai | 2009-12-08 |
| 7564286 | Clock regeneration circuit | Hideaki Tamai | 2009-07-21 |
| 7564774 | Communication network using code division multiplexing technology | Kazuhiko Matsuno | 2009-07-21 |
| 7535951 | Code division multiplexing communication system | Kazuhiko Matsuno | 2009-05-19 |
| 7342909 | CDMA transmitter, CDMA multiplex transmitter, CDMA receiver and CDMA communication system | Kazuhiko Matsuno | 2008-03-11 |
| 7324753 | Optical communication network using a code division multiplexing method | Kazuhiko Matsuno | 2008-01-29 |
| 7180961 | Receiving device | Kazuhiko Matsuno | 2007-02-20 |
| 6944400 | Optical path switching device | — | 2005-09-13 |
| 6317529 | Optical cross-connect apparatus | — | 2001-11-13 |