Inventor
OGASAHARA DAISAKU
JP37 patents
⚠️ This page may combine multiple inventors who share the name “OGASAHARA DAISAKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
20 patentsUS7848340B2Dec 7, 2010
System and method for transmission of data in packet ring network system
NEC CORP35 citations92
US10833771B2Nov 10, 2020
Frequency deviation compensation scheme and frequency deviation compensation method
NEC CORP4 citations84
US7944913B2May 17, 2011
Node, communication method, and program for node
NEC CORP13 citations84
US7898942B2Mar 1, 2011
Ring network system, failure recovery method, failure detection method, node and program for node
NEC CORP17 citations83
US11750298B2Sep 5, 2023
Frequency deviation compensation scheme and frequency deviation compensation method
NEC CORP1 citations73
US9923641B2Mar 20, 2018
Signal processing device, optical communication system, and signal processing method
NEC CORP2 citations73
US9819525B2Nov 14, 2017
Signal generating apparatus and signal generating method
NEC CORP5 citations73
US9722697B2Aug 1, 2017
Polarization division multiplexing optical communication reception device, polarization division multiplexing optical communication system, and polarization division multiplexing optical communication method
NEC CORP3 citations73
US7843942B2Nov 30, 2010
Node and fair rate calculating method
NEC CORP2 citations63
US12088350B2Sep 10, 2024
Frequency deviation compensation scheme and frequency deviation compensation method
NEC CORP0 citations62
US11588558B2Feb 21, 2023
Frequency deviation compensation scheme and frequency deviation compensation method
NEC CORP0 citations62
US11233575B2Jan 25, 2022
Frequency deviation compensation scheme and frequency deviation compensation method
NEC CORP0 citations62
US9473249B2Oct 18, 2016
Light transmission apparatus, light communication system, light reception apparatus, method for adjusting light transmission, method for transmitting light, and method for receiving light
NEC CORP2 citations62
US7920576B2Apr 5, 2011
Packet ring network system, packet forwarding method and node
NEC CORP5 citations62
US10615882B2Apr 7, 2020
Frequency deviation compensation scheme and frequency deviation compensation method
NEC CORP0 citations52
US10454590B2Oct 22, 2019
Frequency deviation compensation scheme and frequency deviation compensation method
NEC CORP0 citations52
US10218447B2Feb 26, 2019
Frequency deviation compensation scheme and frequency deviation compensation method
NEC CORP0 citations52
US9913234B2Mar 6, 2018
Frequency deviation compensation scheme, frequency deviation compensation method, and storage medium
NEC CORP0 citations52
US12531573B2Jan 20, 2026
Signal processing apparatus, signal processing method, and recording medium
NEC CORP0 citations51
US7965658B2Jun 21, 2011
Shortening of communication cutoff time
NEC CORP0 citations42
OGASAHARA DAISAKU
9 patentsUS8724518B2May 13, 2014
Communication system, node, terminal, program and communication method
OGASAHARA DAISAKU4 citations71
US9037004B2May 19, 2015
Optical receiver, polarization separation device and polarization separating method
OGASAHARA DAISAKU3 citations62
US8705987B2Apr 22, 2014
Signal processing circuit, signal processing method, optical receiver and optical communication system
OGASAHARA DAISAKU2 citations62
US8538263B2Sep 17, 2013
Optical communication system, optical receiver of same, and optical communication method of same
OGASAHARA DAISAKU4 citations62
US9246600B2Jan 26, 2016
Signal processing circuit, signal processing method, optical receiver and optical communication system
OGASAHARA DAISAKU0 citations51
US9608732B2Mar 28, 2017
Optical transmitter, optical communication system, and optical communication method
OGASAHARA DAISAKU0 citations41
US8693600B2Apr 8, 2014
Phase excursion/carrier wave frequency excursion compensation device and method
OGASAHARA DAISAKU0 citations41
US8682174B2Mar 25, 2014
Optical receiver, optical communication system using the same and equalization method in the optical communication system
OGASAHARA DAISAKU0 citations41
US9461841B2Oct 4, 2016
Communication system, communication method, node, and program for node
OGASAHARA DAISAKU0 citations40