Inventor · disambiguated record
Osamu Tadanaga
Also filed as: TADANAGA OSAMU
28 granted patents·8 pending applications·74 citations·filing 1999–2021
94Inventor score
Top patents by PatentIndex Score
36 records- 0190US7573921B2Laser light sourceNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Granted Aug 11, 2009·16 cites·7 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
- 0583US6806986B2Wavelength converter and wavelength converting apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2003·Granted Oct 19, 2004·27 cites·16 claims
- 0682US11740537B2Optical signal processing circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 29, 2023·2 cites·8 claims
- 0780US11971644B2Wavelength conversion deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Apr 30, 2024·1 cites·9 claims
- 0877US11442225B2Wavelength conversion element and method for manufacturing wavelength conversion elementNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 13, 2022·2 cites·14 claims
- 0971US7391795B2Laser light sourceNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Jun 24, 2008·9 cites·51 claims
- 1067US11892745B2Wavelength conversion element and method for manufacturing sameNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Feb 6, 2024·0 cites·8 claims
- 1161US7940451B2Wavelength converter and wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Granted May 10, 2011·2 cites·12 claims
- 1260US11733584B2Wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 22, 2023·0 cites·7 claims
- 1359US12007666B2Wavelength conversion element and method for producing sameNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jun 11, 2024·0 cites·13 claims
- 1458US12346000B2Planar optical waveguide device for measuring amplitude phase of squeezed lightNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 1, 2025·0 cites·8 claims
- 1556US12339564B2Wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jun 24, 2025·0 cites·6 claims
- 1653US11815785B2Wavelength conversion optical elementNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Nov 14, 2023·0 cites·7 claims
- 1751US11387909B2Optical signal transmitterNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jul 12, 2022·0 cites·12 claims
- 1849US11768421B2Wavelength conversion deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 26, 2023·0 cites·4 claims
- 1947US11815715B2Planar optical waveguide deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Nov 14, 2023·0 cites·10 claims
- 2047US10156517B2N2O analysis device and analysis methodNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Dec 18, 2018·0 cites·14 claims
- 2146US2024353733A1Wavelength Conversion DeviceNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2245US11888528B2Optical communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 30, 2024·0 cites·17 claims
- 2345US2009303486A1Light source and gas measuring deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Application pending·0 cites
- 2444US12085836B2Optical amplifierNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 10, 2024·0 cites·5 claims
- 2544US10101270B2SO3 analysis method and analysis deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Oct 16, 2018·0 cites·8 claims
- 2644US2024241310A1Wavelength ConverterNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2743US2024184147A1Wavelength Conversion Device And Manufacturing Method Of Wavelength Conversion DeviceNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2843US2024152023A1Wavelength Conversion ModuleNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2943US2024152025A1Optical Wavelength Conversion DeviceNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3042US12153325B2Wavelength converterNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Nov 26, 2024·0 cites·7 claims
- 3142US2022200229A1Optical AmplifierNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Application pending·0 cites
- 3240US6846685B2Vertical-cavity surface-emitting semiconductor laserNIPPON TELEGRAPH & TELEPHONE·Filed 2003·Granted Jan 25, 2005·0 cites·20 claims
- 3339US12032269B2Wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 9, 2024·0 cites·6 claims
- 3439US6549553B1Vertical-cavity surface-emitting semiconductor laserNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Apr 15, 2003·8 cites·11 claims
- 3539US2009022903A1Method for manufacturing a periodically-poled structureNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Application pending·0 cites
- 3634US7729585B2Light source apparatus with modulation function and its driving methodNIPPONTELEGRAPH AND TELEPHONE·Filed 2006·Granted Jun 1, 2010·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →