Inventor · disambiguated record
Yoichi Kawada
Also filed as: KAWADA YOICHI
27 granted patents·5 pending applications·49 citations·filing 2007–2025
93Inventor score
Files withHAMAMATSU PHOTONICS KK22KAWADA YOICHI3YASUDA TAKASHI2AKIYAMA KOUICHIRO1FUJIMOTO MASATOSHI1
Top patents by PatentIndex Score
32 records- 0197US9612153B2Electric field vector detection method and electric field vector detection deviceHAMAMATSU PHOTONICS KK·Filed 2015·Granted Apr 4, 2017·23 cites·10 claims
- 0283US10082720B2Wavelength conversion element and wavelength conversion light pulse waveform shaping deviceHAMAMATSU PHOTONICS KK·Filed 2017·Granted Sep 25, 2018·2 cites·14 claims
- 0383US8564875B2Terahertz wave generation deviceKAWADA YOICHI·Filed 2009·Granted Oct 22, 2013·8 cites·2 claims
- 0481US10248003B2Non-linear optical crystal and method for manufacturing same, and terahertz-wave generator and terahertz-wave measuring apparatusHAMAMATSU PHOTONICS KK·Filed 2015·Granted Apr 2, 2019·2 cites·10 claims
- 0577US8993967B2Electromagnetic wave detection deviceKAWADA YOICHI·Filed 2011·Granted Mar 31, 2015·3 cites·10 claims
- 0675US2025264640A1Optical elementHAMAMATSU PHOTONICS KK·Filed 2025·Application pending·0 cites
- 0772US10895504B2Terahertz wave spectroscopic measurement apparatus and terahertz wave spectroscopic measurement methodHAMAMATSU PHOTONICS KK·Filed 2018·Granted Jan 19, 2021·1 cites·24 claims
- 0872US8354644B2Total reflection tera hertz wave measuring apparatusHAMAMATSU PHOTONICS KK·Filed 2008·Granted Jan 15, 2013·3 cites·6 claims
- 0972US2025003949A1Cell sample measurement method and cell sample measurement apparatusHAMAMATSU PHOTONICS KK·Filed 2024·Application pending·0 cites
- 1071US8742353B2Single terahertz wave time-waveform measuring deviceKAWADA YOICHI·Filed 2007·Granted Jun 3, 2014·3 cites·6 claims
- 1170US11320569B2Optical element for terahertz waves and manufacturing method of the sameHAMAMATSU PHOTONICS KK·Filed 2019·Granted May 3, 2022·1 cites·17 claims
- 1265US2025002836A1Cell sample evaluation method, cell sample evaluation apparatus, and culture state analysis apparatusHAMAMATSU PHOTONICS KK·Filed 2024·Application pending·0 cites
- 1364US9696206B2Terahertz-wave spectrometerYASUDA TAKASHI·Filed 2012·Granted Jul 4, 2017·1 cites·4 claims
- 1462US12345852B2Optical elementHAMAMATSU PHOTONICS KK·Filed 2020·Granted Jul 1, 2025·0 cites·6 claims
- 1562US10908355B2Wave plate and divided prism memberHAMAMATSU PHOTONICS KK·Filed 2020·Granted Feb 2, 2021·0 cites·2 claims
- 1661US8415625B2Total reflection terahertz wave measurement deviceNAKANISHI ATSUSHI·Filed 2009·Granted Apr 9, 2013·1 cites·4 claims
- 1758US10809189B2Optical measurement device and optical measurement methodHAMAMATSU PHOTONICS KK·Filed 2019·Granted Oct 20, 2020·0 cites·9 claims
- 1854US12176681B2Optical kit and optical deviceHAMAMATSU PHOTONICS KK·Filed 2020·Granted Dec 24, 2024·0 cites·6 claims
- 1953US10591669B2Wave plate and divided prism memberHAMAMATSU PHOTONICS KK·Filed 2014·Granted Mar 17, 2020·0 cites·8 claims
- 2050US12492990B2Spectroscopic measurement deviceHAMAMATSU PHOTONICS KK·Filed 2022·Granted Dec 9, 2025·0 cites·10 claims
- 2148US10670520B2Optical analysis device and optical analysis methodHAMAMATSU PHOTONICS KK·Filed 2018·Granted Jun 2, 2020·0 cites·11 claims
- 2248US9417182B2Prism member, terahertz-wave spectroscopic measurement device, and terahertz-wave spectroscopic measurement methodHAMAMATSU PHOTONICS KK·Filed 2013·Granted Aug 16, 2016·0 cites·12 claims
- 2348US8797641B2Pulse-width converting apparatus and optical amplifying systemFUJIMOTO MASATOSHI·Filed 2010·Granted Aug 5, 2014·1 cites·9 claims
- 2447US9157851B2Drug evaluation method and drug evaluation deviceHAMAMATSU PHOTONICS KK·Filed 2013·Granted Oct 13, 2015·0 cites·28 claims
- 2544US2011222289A1Optical element, laser beam oscillation device and laser beam amplifying deviceNAT INST OF ADVANCED IND SCIEN·Filed 2009·Application pending·0 cites
- 2641US10591509B2Tunnel current control apparatus and tunnel current control methodHAMAMATSU PHOTONICS KK·Filed 2018·Granted Mar 17, 2020·0 cites·8 claims
- 2741US9080913B2Terahertz-wave spectrometer and prism memberYASUDA TAKASHI·Filed 2012·Granted Jul 14, 2015·0 cites·6 claims
- 2840US9927298B2Spectroscopic measurement apparatusHAMAMATSU PHOTONICS KK·Filed 2016·Granted Mar 27, 2018·0 cites·9 claims
- 2939US10048129B2Total reflection spectroscopic measurement device and total reflection spectroscopic measurement methodHAMAMATSU PHOTONICS KK·Filed 2017·Granted Aug 14, 2018·0 cites·6 claims
- 3038US8947771B2Optical amplifying deviceYAMAMOTO KOEI·Filed 2007·Granted Feb 3, 2015·0 cites·23 claims
- 3137US2014008541A1Total reflection spectroscopic measurement methodAKIYAMA KOUICHIRO·Filed 2012·Application pending·0 cites
- 3235US10451651B2Tunnel current control apparatus and tunnel current control methodHAMAMATSU PHOTONICS KK·Filed 2018·Granted Oct 22, 2019·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →