Inventor
IKEMATSU RYUICHI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “IKEMATSU RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
9 patentsUS7298694B2Nov 20, 2007
Apparatus and method for GFP frame transfer
NEC CORP36 citations92
US5440565AAug 8, 1995
Test method and apparatus capable of testing reception of a desired cell through a virtual path
NEC CORP31 citations91
US6756898B2Jun 29, 2004
Network termination device, alarm transfer system and alarm transferring method
NEC CORP14 citations83
US6535479B1Mar 18, 2003
Hitless switching system of ATM switch apparatus in which discard priority control is stopped
NEC CORP16 citations83
US10193651B2Jan 29, 2019
Optical network controller and optical network control method
NEC CORP2 citations73
US9609401B2Mar 28, 2017
Optical switch, optical transmission device, and optical switching method
NEC CORP2 citations73
US6934295B2Aug 23, 2005
Multi-mode scheduler, apparatus including multi-mode scheduler and multi-mode scheduling method
NEC CORP7 citations72
US6731636B1May 4, 2004
Scheduler using small sized shuffle pattern in ATM network
NEC CORP9 citations72
US6490282B1Dec 3, 2002
Switching system for asynchronous transfer mode switch
NEC CORP6 citations61