Inventor · disambiguated record
Kiyofumi Kikuchi
Also filed as: KIKUCHI KIYOFUMI
19 granted patents·6 pending applications·60 citations·filing 2013–2022
91Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE25
Top patents by PatentIndex Score
25 records- 0197US11592629B2Optical moduleNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Feb 28, 2023·16 cites·9 claims
- 0294US9817186B2Polarization rotatorNIPPON TELEGRAPH & TELEPHONE·Filed 2015·Granted Nov 14, 2017·20 cites·15 claims
- 0392US10890787B2Optical modulatorNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Granted Jan 12, 2021·7 cites·8 claims
- 0486US11340478B2Optical transmitterNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted May 24, 2022·2 cites·14 claims
- 0585US12099266B2Optical circuit with common ground configuration for resistors and thermo-optic phase shiftersNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 24, 2024·2 cites·10 claims
- 0685US9128348B1Light modulation circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted Sep 8, 2015·4 cites·14 claims
- 0778US11973159B2PhotodetectorNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Apr 30, 2024·1 cites·5 claims
- 0873US10050717B2Multi-stage interferometer circuit with waveform shaping functionNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Aug 14, 2018·2 cites·15 claims
- 0972US10295744B2Coherent optical mixer circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted May 21, 2019·2 cites·7 claims
- 1071US11567275B2Optical moduleNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 31, 2023·1 cites·7 claims
- 1171US11561350B2Optical moduleNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 24, 2023·1 cites·11 claims
- 1265US10165690B2Solder joint structure of flexible printed circuit boardNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Dec 25, 2018·1 cites·5 claims
- 1363US10193653B2Polarization multiplexing optical transmission circuit and polarization multiplexing optical transmission and reception circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Jan 29, 2019·1 cites·11 claims
- 1453US12078851B2Optical moduleNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 3, 2024·0 cites·8 claims
- 1553US2025343126A1Electronic Component PackageNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 1652US2025386601A1PhotodetectorNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 1751US12332489B2Opto-electronic integrated moduleNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jun 17, 2025·0 cites·8 claims
- 1850US11841598B2Optical modulatorNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Dec 12, 2023·0 cites·7 claims
- 1950US2025044523A1Optical Waveguide Substrate, Optical Device and Manufacturing Method of Optical DeviceNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2049US10720543B2PhotodetectorNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Jul 21, 2020·0 cites·6 claims
- 2149US2025123321A1Optical Inspection Circuit and Method of Manufacturing an Optical Circuit ChipNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2248US2025251639A1Optical DeviceNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 2347US10277271B2Optical moduleNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Apr 30, 2019·0 cites·13 claims
- 2443US2023156932A1Optical Communication ElementNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Application pending·0 cites
- 2541US10601522B2Optical receiverNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Granted Mar 24, 2020·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →