Inventor · disambiguated record
Shigeyuki Yanagimachi
Also filed as: YANAGIMACHI SHIGEYUKI
17 granted patents·15 pending applications·38 citations·filing 1996–2025
87Inventor score
Top patents by PatentIndex Score
32 records- 0189US7873056B2Switch device, switching method and switch control programNEC CORP·Filed 2005·Granted Jan 18, 2011·21 cites·24 claims
- 0281US2024097397A1Optical amplification device, optical transmission system, and optical amplification methodNEC CORP·Filed 2023·Application pending·0 cites
- 0369US11881675B2Optical amplification device, optical transmission system, and optical amplification methodNEC CORP·Filed 2020·Granted Jan 23, 2024·0 cites·20 claims
- 0459US11671196B2Optical network management device, optical network system, optical network management method, and optical network management programNEC CORP·Filed 2022·Granted Jun 6, 2023·0 cites·9 claims
- 0557US2024381011A1Control apparatus, control method, and computer readable mediumNEC CORP·Filed 2024·Application pending·0 cites
- 0655US12401423B2Optical network, network management device, and network management methodNEC CORP·Filed 2021·Granted Aug 26, 2025·0 cites·11 claims
- 0755US2024305914A1Wavelength conversion apparatus, optical transmission apparatus, and wavelength conversion methodNEC CORP·Filed 2024·Application pending·0 cites
- 0854US2025330733A1Communication apparatus, network configuration system, and communication methodNEC CORP·Filed 2025·Application pending·0 cites
- 0953US11824320B2Optical amplifier, and control method thereforNEC CORP·Filed 2020·Granted Nov 21, 2023·0 cites·19 claims
- 1053US2024080104A1Information processing apparatus, information processing method, program, and optical communication systemNEC CORP·Filed 2023·Application pending·0 cites
- 1151US12308599B2Optical amplifier, optical amplifier equalizing method, and transmission systemNEC CORP·Filed 2019·Granted May 20, 2025·0 cites·20 claims
- 1251US11870208B2Optical fiber amplifier, optical fiber amplifier control method, and transmission systemNEC CORP·Filed 2019·Granted Jan 9, 2024·0 cites·11 claims
- 1351US11398711B2Multicore optical fiber amplifier and optical amplification method using multicore optical fiber amplification mediumNEC CORP·Filed 2018·Granted Jul 26, 2022·0 cites·10 claims
- 1449US11374377B2Optical amplifying apparatus and method of amplifying optical signalNEC CORP·Filed 2017·Granted Jun 28, 2022·0 cites·20 claims
- 1549US8352655B2Packet communication device which selects an appropriate operation modeNEC CORP·Filed 2008·Granted Jan 8, 2013·0 cites·18 claims
- 1647US2024214102A1Path control device of optical network, optical network system, path control method, and path control programNEC CORP·Filed 2022·Application pending·0 cites
- 1746US11115117B2Submarine optical communication control device, control method, and non-transitory computer-readable mediumNEC CORP·Filed 2018·Granted Sep 7, 2021·0 cites·15 claims
- 1846US2025048008A1Management apparatus, optical node apparatus, optical network system, control method, and non-transitory computer-readable mediumNEC CORP·Filed 2021·Application pending·0 cites
- 1945US11329444B2Optical amplifier and control method thereforNEC CORP·Filed 2016·Granted May 10, 2022·0 cites·12 claims
- 2045US8172467B2Optical backplane connector, photoelectric conversion module and optical backplaneSASAKI JUNICHI·Filed 2006·Granted May 8, 2012·0 cites·18 claims
- 2145US5710497APositioning control device and head positioning control deviceNEC CORP·Filed 1996·Granted Jan 20, 1998·17 cites·7 claims
- 2245US2009148116A1Communication apparatus for communication between housing slots, wiring change unit and wiring methodNEC CORP·Filed 2005·Application pending·0 cites
- 2344US12095502B2Communication device, communication controlling method, non-transitory computer-readable medium, and optical communication systemNEC CORP·Filed 2019·Granted Sep 17, 2024·0 cites·16 claims
- 2444US11212027B2Optical path setting device, optical communication system, and optical path setting methodNEC CORP·Filed 2018·Granted Dec 28, 2021·0 cites·18 claims
- 2543US2010321902A1Connection structure and information processing apparatusHATAKEYAMA ICHIRO·Filed 2007·Application pending·0 cites
- 2642US2021258205A1Network monitoring device and network monitoring methodNEC CORP·Filed 2021·Application pending·0 cites
- 2741US11695630B2Control device, control system, network system, control method, and computer-readable mediumNEC CORP·Filed 2020·Granted Jul 4, 2023·0 cites·6 claims
- 2841US2002159445A1Non-blocking switching system and switching method thereofNEC CORP·Filed 2002·Application pending·0 cites
- 2940US2003206743A1Cross connecting device and optical communication systemFiled 2002·Application pending·0 cites
- 3039US2004047548A1Optical switching subsystem and optical switching subsystem self-diagnosing methodNEC CORP·Filed 2003·Application pending·0 cites
- 3139US2020045388A1Optical communication device and optical communication systemAIST·Filed 2018·Application pending·0 cites
- 3237US2012030380A1Transmission device, transmission method, and control program for transmission deviceYANAGIMACHI SHIGEYUKI·Filed 2010·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →