Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10063339 | Sleep control method and dynamic wavelength allocation control method | — | 2018-08-28 |
| 9866347 | Band control system, band control apparatus and communication apparatus | — | 2018-01-09 |
| 9722708 | Optical transmitter, subscriber side device, and light source temperature change suppression method | — | 2017-08-01 |
| 9331809 | DWA control in an OLT with decrease in margin of bandwidth utilization caused by bandwidth reallocation minimized | — | 2016-05-03 |
| 9178646 | Exchange device | — | 2015-11-03 |
| 9112610 | Optical network unit registration method | — | 2015-08-18 |
| 9094150 | Method for registering optical network unit in telecommunications network and optical network unit therefor | — | 2015-07-28 |
| 9020342 | Transmission control apparatus improved in transmission efficiency of downstream data | Akihiro Takahashi | 2015-04-28 |
| 8837944 | Power supply control method, an optical network unit, an optical line terminal and a communication system | Satoshi Furusawa | 2014-09-16 |
| 8724991 | Dynamic communication bandwidth allocation method, computer-readable medium storing dynamic communication bandwidth allocation program, semiconductor chip, and PON system | Satoshi Furusawa | 2014-05-13 |
| 8559459 | Dynamic bandwidth allocating control apparatus with bandwidth usability improved | Akihiro Takahashi, Satoshi Furusawa, Akiya Suzuki | 2013-10-15 |
| 8280252 | Subscriber terminal of adjusting intensity of optical signal by controlling attenuation, and a method thereof | — | 2012-10-02 |
| 8260134 | Synchronized code division multiplexing communication method and synchronized code division multiplexing communication system | — | 2012-09-04 |
| 8254340 | Code division multiplex communication system | — | 2012-08-28 |
| 8073000 | Code division multiplex signal receiving apparatus and code division multiplex transmitting and receiving system | — | 2011-12-06 |
| 8014675 | Passive optical network communication method and system | Masayuki Kashima | 2011-09-06 |