Inventor · disambiguated record
Takehito Tanaka
Also filed as: TANAKA TAKEHITO
29 granted patents·1 pending application·186 citations·filing 1998–2022
96Inventor score
Files withFUJITSU LTD13FUJITSU OPTICAL COMPONENTS LTD12AGENCY IND SCIENCE TECHN1FURUKAWA ELECTRIC CO LTD1TANAKA TAKEHITO1
Top patents by PatentIndex Score
30 records- 0195US10989980B2Optical modulatorTDK CORP·Filed 2020·Granted Apr 27, 2021·5 cites·9 claims
- 0293US12153294B2Optical device having dual waveguides with one being an electro-optic crystal waveguideFUJITSU OPTICAL COMPONENTS LTD·Filed 2022·Granted Nov 26, 2024·2 cites·10 claims
- 0393US9231728B2Optical module and optical transmitterFUJITSU OPTICAL COMPONENTS LTD·Filed 2014·Granted Jan 5, 2016·10 cites·21 claims
- 0493US7263244B2Optical modulatorFUJITSU LTD·Filed 2005·Granted Aug 28, 2007·19 cites·7 claims
- 0592US7526161B2Optical deviceFUJITSU LTD·Filed 2007·Granted Apr 28, 2009·14 cites·13 claims
- 0687US9954638B2Optical module and optical transmitter using the sameFUJITSU OPTICAL COMPONENTS LTD·Filed 2016·Granted Apr 24, 2018·6 cites·12 claims
- 0785US9405081B2Optical transmitting apparatusFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted Aug 2, 2016·3 cites·8 claims
- 0882US6678428B2Optical modulatorFUJITSU LTD·Filed 2001·Granted Jan 13, 2004·22 cites·53 claims
- 0980US6741379B2Optical module having element for optical phase shift using electro-optic effectFUJITSU LTD·Filed 2002·Granted May 25, 2004·23 cites·22 claims
- 1079US11003043B2Optical modulatorFUJITSU OPTICAL COMPONENTS LTD·Filed 2020·Granted May 11, 2021·1 cites·14 claims
- 1178US10578885B2Polarization coupling device and optical modulation deviceFUJITSU OPTICAL COMPONENTS LTD·Filed 2018·Granted Mar 3, 2020·2 cites·6 claims
- 1276US10031395B2Optical modulatorFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Jul 24, 2018·1 cites·9 claims
- 1374US9461753B2Optical receiver circuitFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted Oct 4, 2016·3 cites·9 claims
- 1471US7551820B2Optical deviceFUJITSU LTD·Filed 2008·Granted Jun 23, 2009·4 cites·3 claims
- 1571US6594407B2Optical modulator of clock modulation typeFUJITSU LTD·Filed 2001·Granted Jul 15, 2003·11 cites·24 claims
- 1670US9229292B2Optical module and optical transmitterFUJITSU OPTICAL COMPONENTS LTD·Filed 2014·Granted Jan 5, 2016·1 cites·14 claims
- 1765US6961494B2Optical waveguide deviceFUJITSU LTD·Filed 2002·Granted Nov 1, 2005·9 cites·17 claims
- 1861US9638861B2Optical transmitterFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted May 2, 2017·1 cites·7 claims
- 1961US6999223B2Optical modulatorFUJITSU LTD·Filed 2003·Granted Feb 14, 2006·6 cites·6 claims
- 2060US8120925B2Circuit deviceTANAKA TAKEHITO·Filed 2009·Granted Feb 21, 2012·2 cites·12 claims
- 2159US6950218B2Optical modulatorFUJITSU LTD·Filed 2004·Granted Sep 27, 2005·6 cites·11 claims
- 2258US6466705B2Acousto-optic variable-wavelength TE/TM mode converter, and a variable-wavelength optical filter using this converterFUJITSU LTD·Filed 2000·Granted Oct 15, 2002·6 cites·18 claims
- 2353US6136457AManganese oxide material having MnO3 as a matrixAGENCY IND SCIENCE TECHN·Filed 1998·Granted Oct 24, 2000·13 cites·5 claims
- 2452US6238102B1Multiaxial optical couplerFUJITSU LTD·Filed 1998·Granted May 29, 2001·16 cites·6 claims
- 2551US7689078B2Optical deviceFUJITSU LTD·Filed 2008·Granted Mar 30, 2010·0 cites·7 claims
- 2649US9864147B2Optical modulator moduleFUJITSU OPTICAL COMPONENTS LTD·Filed 2016·Granted Jan 9, 2018·0 cites·12 claims
- 2746US9448424B2Optical module and optical modulation deviceFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted Sep 20, 2016·0 cites·9 claims
- 2845US9638927B2Polarization combiner and optical modulation deviceFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted May 2, 2017·0 cites·9 claims
- 2941US7006715B2Optical modulator of clock modulation typeFUJITSU LTD·Filed 2003·Granted Feb 28, 2006·0 cites·13 claims
- 3035US2002006245A1Optical circuitFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →