Inventor
KANI JUN-ICHI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KANI JUN-ICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
15 patentsUS7389048B2Jun 17, 2008
Optical wavelength-division multiple access system and optical network unit
NIPPON TELEGRAPH & TELEPHONE52 citations92
US7203422B2Apr 10, 2007
Optical network unit, wavelength splitter, and optical wavelength-division multiplexing access system
NIPPON TELEGRAPH & TELEPHONE24 citations92
US7127168B2Oct 24, 2006
Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter
NIPPON TELEGRAPH & TELEPHONE31 citations92
US7155127B2Dec 26, 2006
Optical communication system, optical communication unit, and optical transceiving package
NIPPON TELEGRAPH & TELEPHONE44 citations90
US6490064B1Dec 3, 2002
Wavelength division multiplexing optical transmission system
NIPPON TELEGRAPH & TELEPHONE18 citations90
US6744546B2Jun 1, 2004
Multilevel light-intensity modulating circuit
NIPPON TELEGRAPH & TELEPHONE17 citations83
US9866327B2Jan 9, 2018
Distributed radio communication base station system, base band unit, remote radio unit, and method for operating distributed radio communication base station system
NIPPON TELEGRAPH & TELEPHONE3 citations72
US9596046B2Mar 14, 2017
Optical line terminal and optical network unit
NIPPON TELEGRAPH & TELEPHONE2 citations69
US7206510B2Apr 17, 2007
Ring network using multi-wavelength generator
NIPPON TELEGRAPH & TELEPHONE5 citations62
US7003226B2Feb 21, 2006
Wavelength division multiplex optical transmission system
NIPPON TELEGRAPH & TELEPHONE4 citations60
US12114157B2Oct 8, 2024
Service start method and communication system
NIPPON TELEGRAPH & TELEPHONE0 citations52
US11354254B2Jun 7, 2022
Data processing system, central arithmetic processing apparatus, and data processing method
NIPPON TELEGRAPH & TELEPHONE0 citations50
US9693302B2Jun 27, 2017
Optical wireless access system
NIPPON TELEGRAPH & TELEPHONE0 citations49
US9680595B2Jun 13, 2017
Optical line terminal and optical network unit
NIPPON TELEGRAPH & TELEPHONE0 citations48
US9788270B2Oct 10, 2017
Optical-wireless access system
NIPPON TELEGRAPH & TELEPHONE0 citations45