Inventor
KANI JUNICHI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “KANI JUNICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
24 patentsUS7474460B2Jan 6, 2009
Optical modulation apparatus
NIPPON TELEGRAPH & TELEPHONE17 citations92
US7555215B2Jun 30, 2009
Optical wavelength division multiplexing access system
NIPPON TELEGRAPH & TELEPHONE12 citations79
US7068412B2Jun 27, 2006
Multi-wavelength generating method and apparatus based on flattening of optical spectrum
NIPPON TELEGRAPH & TELEPHONE9 citations73
US6924924B2Aug 2, 2005
Multi-wavelength generating method and apparatus based on flattening of optical spectrum
NIPPON TELEGRAPH & TELEPHONE9 citations73
US6831774B2Dec 14, 2004
Multi-wavelength generating method and apparatus based on flattening of optical spectrum
NIPPON TELEGRAPH & TELEPHONE8 citations73
US6469826B1Oct 22, 2002
Optical amplifier
NIPPON TELEGRAPH & TELEPHONE11 citations73
US11652554B2May 16, 2023
Optical receiving apparatus, optical transmission system, optical transmission method and computer program
NIPPON TELEGRAPH & TELEPHONE2 citations72
US11539437B2Dec 27, 2022
Signal processing apparatus and optical receiving apparatus
NIPPON TELEGRAPH & TELEPHONE4 citations71
US12166532B2Dec 10, 2024
Optical receiver and optical receiving method
NIPPON TELEGRAPH & TELEPHONE0 citations62
US6583924B2Jun 24, 2003
Optical amplifier
NIPPON TELEGRAPH & TELEPHONE2 citations62
US11909651B2Feb 20, 2024
Communication system, communication apparatus and bandwidth allocation method
NIPPON TELEGRAPH & TELEPHONE0 citations60
US11880611B2Jan 23, 2024
Data processing apparatus, data processing method and program
NIPPON TELEGRAPH & TELEPHONE0 citations60
US11630656B2Apr 18, 2023
Communication device and information processing method
NIPPON TELEGRAPH & TELEPHONE0 citations60
US7336414B2Feb 26, 2008
Optical modulating device
NIPPON TELEGRAPH & TELEPHONE0 citations52
US12231172B2Feb 18, 2025
Optical signal processing apparatus and optical signal processing method
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12191905B2Jan 7, 2025
Optical communication system and protection method for optical communication system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12101124B2Sep 24, 2024
Transmission system, transmission method, and communication system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11870497B2Jan 9, 2024
Optical receiving apparatus, optical transmission system, optical transmission method and computer program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12212405B2Jan 28, 2025
Transmission device management device, transmission device management system, transmission device management method and program
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11956098B2Apr 9, 2024
Communication apparatus and communication method
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11824748B2Nov 21, 2023
Communication apparatus and ranging method
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11595132B2Feb 28, 2023
Signal processing apparatus and optical receiver
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11582019B2Feb 14, 2023
Receiving apparatus, receiving method and program
NIPPON TELEGRAPH & TELEPHONE0 citations50
US12362831B2Jul 15, 2025
Optical main signal processing node apparatus and control method of optical main signal processing node apparatus
NIPPON TELEGRAPH & TELEPHONE0 citations48
NTT INC
7 patentsUS12556285B2Feb 17, 2026
Optical transmitter and frequency control method in optical transmission
NTT INC1 citations64
US12512910B2Dec 30, 2025
Optical communication device and optical communication method
NTT INC0 citations61
US12598005B2Apr 7, 2026
Station side optical line terminal and registration method
NTT INC0 citations60
US12542610B2Feb 3, 2026
Installation method of optical communication device and optical communication system
NTT INC0 citations51
US12549875B2Feb 10, 2026
Optical communication system, control apparatus and quality compensation method
NTT INC0 citations49
US12562817B2Feb 24, 2026
Communication apparatus and communication method
NTT INC0 citations48
US12500672B2Dec 16, 2025
Optical receiving apparatus and frequency offset compensation method
NTT INC0 citations48