Inventor · disambiguated record
Takeshi Umeki
Also filed as: UMEKI TAKESHI
21 granted patents·9 pending applications·76 citations·filing 2006–2022
91Inventor score
Top patents by PatentIndex Score
30 records- 0193US9065243B2Optical amplifierASOBE MASAKI·Filed 2012·Granted Jun 23, 2015·62 cites·29 claims
- 0289US11385521B2Wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jul 12, 2022·3 cites·10 claims
- 0384US11852953B2Optical element and manufacturing method thereofNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Dec 26, 2023·2 cites·12 claims
- 0484US11644735B2Wavelength conversion elementNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted May 9, 2023·2 cites·4 claims
- 0582US11740537B2Optical signal processing circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 29, 2023·2 cites·8 claims
- 0680US11971644B2Wavelength conversion deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Apr 30, 2024·1 cites·9 claims
- 0777US11442225B2Wavelength conversion element and method for manufacturing wavelength conversion elementNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 13, 2022·2 cites·14 claims
- 0867US11892745B2Wavelength conversion element and method for manufacturing sameNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Feb 6, 2024·0 cites·8 claims
- 0961US7940451B2Wavelength converter and wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Granted May 10, 2011·2 cites·12 claims
- 1060US11733584B2Wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 22, 2023·0 cites·7 claims
- 1159US12007666B2Wavelength conversion element and method for producing sameNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jun 11, 2024·0 cites·13 claims
- 1258US12346000B2Planar optical waveguide device for measuring amplitude phase of squeezed lightNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 1, 2025·0 cites·8 claims
- 1357US2025174961A1Optical amplifier and optical amplification methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 1456US12339564B2Wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jun 24, 2025·0 cites·6 claims
- 1553US11815785B2Wavelength conversion optical elementNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Nov 14, 2023·0 cites·7 claims
- 1651US11387909B2Optical signal transmitterNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jul 12, 2022·0 cites·12 claims
- 1749US11768421B2Wavelength conversion deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 26, 2023·0 cites·4 claims
- 1847US11815715B2Planar optical waveguide deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Nov 14, 2023·0 cites·10 claims
- 1947US2025314943A1Wavelength ConverterNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 2045US11888528B2Optical communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 30, 2024·0 cites·17 claims
- 2145US2009303486A1Light source and gas measuring deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Application pending·0 cites
- 2244US12085836B2Optical amplifierNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 10, 2024·0 cites·5 claims
- 2344US2024248369A1Optical amplification apparatus and optical amplification methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2444US2024241310A1Wavelength ConverterNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2543US2024152023A1Wavelength Conversion ModuleNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2643US2024152025A1Optical Wavelength Conversion DeviceNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2742US12153325B2Wavelength converterNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Nov 26, 2024·0 cites·7 claims
- 2842US2022200229A1Optical AmplifierNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Application pending·0 cites
- 2939US12032269B2Wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 9, 2024·0 cites·6 claims
- 3039US2009022903A1Method for manufacturing a periodically-poled structureNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →