Inventor · disambiguated record
Koji Embutsu
Also filed as: EMBUTSU KOJI
19 granted patents·5 pending applications·12 citations·filing 2019–2021
88Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE24
Top patents by PatentIndex Score
24 records- 0189US11385521B2Wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jul 12, 2022·3 cites·10 claims
- 0284US11852953B2Optical element and manufacturing method thereofNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Dec 26, 2023·2 cites·12 claims
- 0384US11644735B2Wavelength conversion elementNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted May 9, 2023·2 cites·4 claims
- 0482US11740537B2Optical signal processing circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 29, 2023·2 cites·8 claims
- 0580US11971644B2Wavelength conversion deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Apr 30, 2024·1 cites·9 claims
- 0677US11442225B2Wavelength conversion element and method for manufacturing wavelength conversion elementNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 13, 2022·2 cites·14 claims
- 0767US11892745B2Wavelength conversion element and method for manufacturing sameNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Feb 6, 2024·0 cites·8 claims
- 0860US11733584B2Wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 22, 2023·0 cites·7 claims
- 0959US12007666B2Wavelength conversion element and method for producing sameNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jun 11, 2024·0 cites·13 claims
- 1058US12346000B2Planar optical waveguide device for measuring amplitude phase of squeezed lightNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 1, 2025·0 cites·8 claims
- 1156US12339564B2Wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jun 24, 2025·0 cites·6 claims
- 1253US11815785B2Wavelength conversion optical elementNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Nov 14, 2023·0 cites·7 claims
- 1351US11387909B2Optical signal transmitterNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jul 12, 2022·0 cites·12 claims
- 1449US11768421B2Wavelength conversion deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 26, 2023·0 cites·4 claims
- 1547US11815715B2Planar optical waveguide deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Nov 14, 2023·0 cites·10 claims
- 1645US11888528B2Optical communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 30, 2024·0 cites·17 claims
- 1744US12085836B2Optical amplifierNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 10, 2024·0 cites·5 claims
- 1844US2024241310A1Wavelength ConverterNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 1943US2024184147A1Wavelength Conversion Device And Manufacturing Method Of Wavelength Conversion DeviceNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2043US2024152023A1Wavelength Conversion ModuleNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2143US2024152025A1Optical Wavelength Conversion DeviceNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2242US12153325B2Wavelength converterNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Nov 26, 2024·0 cites·7 claims
- 2342US2022200229A1Optical AmplifierNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Application pending·0 cites
- 2439US12032269B2Wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 9, 2024·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →