Inventor · disambiguated record
Tadao Nagatsuma
Also filed as: NAGATSUMA TADAO
42 granted patents·10 pending applications·241 citations·filing 1992–2023
97Inventor score
Top patents by PatentIndex Score
52 records- 0178US10761126B2Electro-optic probe, electromagnetic wave measuring apparatus, and electromagnetic wave measuring methodUNIV OSAKA·Filed 2016·Granted Sep 1, 2020·2 cites·13 claims
- 0277US9632247B2Terahertz-wave device and terahetz-wave integrated circuitsROHM CO LTD·Filed 2015·Granted Apr 25, 2017·3 cites·7 claims
- 0372US7511511B2Specific absorption rate measuring system, and a method thereofNTT DOCOMO INC·Filed 2007·Granted Mar 31, 2009·6 cites·1 claims
- 0470US10276919B2Terahertz device and terahertz integrated circuitROHM CO LTD·Filed 2017·Granted Apr 30, 2019·2 cites·13 claims
- 0569US10451663B2Method for measuring electromagnetic field, electromagnetic field measurement device, and phase imaging deviceUNIV OSAKA·Filed 2016·Granted Oct 22, 2019·1 cites·14 claims
- 0669US9188742B2Teraherz-wave connector and teraherz-wave integrated circuits, and wave guide and antenna structureROHM CO LTD·Filed 2014·Granted Nov 17, 2015·2 cites·27 claims
- 0768US5808473AElectric signal measurement apparatus using electro-optic sampling by one point contactNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Sep 15, 1998·34 cites·38 claims
- 0861US12482951B2Dielectric waveguide, terahertz circuit and terahertz integrated circuitUNIV OSAKA·Filed 2023·Granted Nov 25, 2025·0 cites·18 claims
- 0961US6429669B1Temperature-insensitive electro-optic probeANDO ELECTRIC·Filed 2000·Granted Aug 6, 2002·10 cites·24 claims
- 1060US6166845AElectro-optic probeANDO ELECTRIC·Filed 1999·Granted Dec 26, 2000·22 cites·3 claims
- 1159US9496622B2Photonic-crystal slab absorber and high-frequency circuit and electronic components, and transmitter, receiver and proximity wireless communication systemROHM CO LTD·Filed 2014·Granted Nov 15, 2016·1 cites·20 claims
- 1259US5274325AMethod and apparatus for electro-optic sampling measurement of electrical signals in integrated circuitsNIPPON TELEGRAPH & TELEPHONE·Filed 1992·Granted Dec 28, 1993·17 cites·10 claims
- 1358US6297651B1Electro-optic sampling probe having unit for adjusting quantity of light incident on electro-optic sampling optical system moduleANDO ELECTRIC·Filed 2000·Granted Oct 2, 2001·8 cites·3 claims
- 1455US6445198B1Electro-optic sampling probe and a method for adjusting the sameANDO ELECTRIC·Filed 2000·Granted Sep 3, 2002·7 cites·5 claims
- 1554US6337565B1Electro-optic probeANDO ELECTRIC·Filed 2000·Granted Jan 8, 2002·5 cites·8 claims
- 1653US6567760B1Electro-optic sampling oscilloscopeANDO ELECTRIC·Filed 1999·Granted May 20, 2003·17 cites·23 claims
- 1751US12165977B2Terahertz moduleROHM CO LTD·Filed 2021·Granted Dec 10, 2024·0 cites·16 claims
- 1851US6452378B1Probe for electro-optic sampling oscilloscopeANDO ELECTRIC·Filed 2000·Granted Sep 17, 2002·6 cites·7 claims
- 1951US6410906B1Electro-optic probeANDO ELECTRIC·Filed 2000·Granted Jun 25, 2002·5 cites·4 claims
- 2048US6201235B1Electro-optic sampling oscilloscopeANDO ELECTRIC·Filed 1999·Granted Mar 13, 2001·14 cites·20 claims
- 2147US6468895B2Pattern forming methodNIPPON TELEGRAPH & TELEPHONE·Filed 2001·Granted Oct 22, 2002·2 cites·4 claims
- 2247US6384590B1Light receiving circuit for use in electro-optic sampling oscilloscopeANDO ELECTRIC·Filed 1999·Granted May 7, 2002·13 cites·3 claims
- 2346US6507014B2Electro-optic probeANDO ELECTRIC·Filed 2002·Granted Jan 14, 2003·3 cites·19 claims
- 2446US6288531B1Probe for electro-optic sampling oscilloscopeANDO ELECTRIC·Filed 2000·Granted Sep 11, 2001·3 cites·7 claims
- 2544US6347005B1Electro-optic sampling probeANDO ELECTRIC·Filed 2000·Granted Feb 12, 2002·3 cites·9 claims
- 2643US6624644B2Electro-optic probe and magneto-optic probeANDO ELECTRIC·Filed 2001·Granted Sep 23, 2003·2 cites·10 claims
- 2743US2014132466A1Antenna moduleUNIV OSAKA·Filed 2013·Application pending·0 cites
- 2842US6407561B1Probe for electro-optic sampling oscilloscopeANDO ELECTRIC·Filed 2000·Granted Jun 18, 2002·2 cites·6 claims
- 2942US2021271099A1Transmission device, and system including the transmission deviceUNIV OSAKA·Filed 2021·Application pending·0 cites
- 3041US6403946B1Electro-optic sampling probe comprising photodiodes insulated from main frame of EOS optical systemANDO ELECTRIC·Filed 2000·Granted Jun 11, 2002·1 cites·3 claims
- 3141US2024260244A1Laminate and electromagnetic wave absorberNITTO DENKO CORP·Filed 2021·Application pending·0 cites
- 3240US2006114003A1Specific absorption rate measuring system, and a method thereofNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Application pending·0 cites
- 3339US6232765B1Electro-optical oscilloscope with improved samplingANDO ELECTRIC·Filed 1999·Granted May 15, 2001·8 cites·10 claims
- 3438US2008199124A1OPTICAL DEVICE FOR GENERATING AND MODULATING THz AND OTHER HIGH FREQUENCY SIGNALSNAGATSUMA TADAO·Filed 2006·Application pending·0 cites
- 3536US6310507B1Timing generation circuit for electro-optic sampling oscilloscopeANDO ELECTRIC·Filed 1998·Granted Oct 30, 2001·7 cites·9 claims
- 3635US6469528B2Electro-optic sampling probe and measuring method using the sameANDO ELECTRIC·Filed 1999·Granted Oct 22, 2002·5 cites·10 claims
- 3735US6369562B2Electro-optical probe for oscilloscope measuring signal waveformANDO ELECTRIC·Filed 1999·Granted Apr 9, 2002·5 cites·6 claims
- 3835US2015241630A1Directional coupler, and multiplexer and demultiplexerROHM CO LTD·Filed 2015·Application pending·0 cites
- 3934US2001022340A1Electro-optic probeFiled 2000·Application pending·0 cites
- 4034US2002017913A1Electro-optic sampling probeFiled 2001·Application pending·0 cites
- 4133US6388454B1Electro-optic sampling proberANDO ELECTRIC·Filed 1999·Granted May 14, 2002·4 cites·1 claims
- 4233US6297650B1Electrooptic probeANDO ELECTRIC·Filed 1999·Granted Oct 2, 2001·4 cites·12 claims
- 4333US5543723AApparatus for electro-optic sampling measuring of electrical signals in integrated circuits with improved probe positioning accuracyNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Aug 6, 1996·3 cites·16 claims
- 4432US6342783B1Electrooptic probeANDO ELECTRIC·Filed 1999·Granted Jan 29, 2002·3 cites·9 claims
- 4531US6288529B1Timing generation circuit for an electro-optic oscilloscopeANDO ELECTRIC·Filed 1999·Granted Sep 11, 2001·4 cites·2 claims
- 4631US2001022338A1Probe signal outputting apparatusFiled 2000·Application pending·0 cites
- 4731US2001022339A1Probe signal outputting apparatusFiled 2000·Application pending·0 cites
- 4830US6348787B1Electrooptic probeANDO ELECTRIC·Filed 1999·Granted Feb 19, 2002·2 cites·16 claims
- 4930US6087838ASignal processing circuit for electro-optic probeANDO ELECTRIC·Filed 1998·Granted Jul 11, 2000·2 cites·8 claims
- 5029US6377036B1Electro-optic sampling oscilloscopeANDO ELECTRIC·Filed 1998·Granted Apr 23, 2002·2 cites·5 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →