Inventor · disambiguated record
Eiji Yagyu
Also filed as: YAGYU EIJI
42 granted patents·11 pending applications·137 citations·filing 1991–2024
97Inventor score
Files withMITSUBISHI ELECTRIC CORP41MITSUBISHI ELECTRIC RES LABORATORIES INC4MITSUBISHI ELECTRIC RES LAB3YAGYU EIJI2HORIGUCHI YUICHIRO1
Top patents by PatentIndex Score
53 records- 0191US7462889B2Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Dec 9, 2008·17 cites·8 claims
- 0291US7187013B2Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Mar 6, 2007·16 cites·10 claims
- 0389US7259408B2Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Aug 21, 2007·13 cites·20 claims
- 0487US9128242B2Mode-evolution compound converterKOJIMA KEISUKE·Filed 2011·Granted Sep 8, 2015·11 cites·17 claims
- 0586US10534239B2Optical modulatorMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Jan 14, 2020·3 cites·7 claims
- 0684US10120132B2Photonic integrated circuitMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2017·Granted Nov 6, 2018·4 cites·17 claims
- 0784US7038251B2Semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2005·Granted May 2, 2006·8 cites·13 claims
- 0883US8698268B2Avalanche photodiode and method for manufacturing the avalanche photodiodeYAGYU EIJI·Filed 2011·Granted Apr 15, 2014·4 cites·9 claims
- 0982US11107685B2Semiconductor manufacturing method and semiconductor manufacturing deviceMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Aug 31, 2021·4 cites·9 claims
- 1081US8285086B2Optical fiber sensorNISHIKAWA SATOSHI·Filed 2008·Granted Oct 9, 2012·8 cites·3 claims
- 1180US9097852B2Multi-mode interference deviceMITSUBISHI ELECTRIC RES LAB·Filed 2014·Granted Aug 4, 2015·4 cites·19 claims
- 1279US7345325B2Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Mar 18, 2008·4 cites·2 claims
- 1377US11482464B2Semiconductor device including a diamond substrate and method of manufacturing the semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Oct 25, 2022·2 cites·6 claims
- 1476US9915849B2Optical modulatorMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Mar 13, 2018·1 cites·16 claims
- 1576US9116298B2Multi-mode interference deviceMITSUBISHI ELECTRIC RES LAB·Filed 2013·Granted Aug 25, 2015·4 cites·19 claims
- 1676US7928472B2Optical semiconductor device with a distributed Bragg reflector layerMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Apr 19, 2011·5 cites·8 claims
- 1775US7719028B2Semiconductor light-receiving device and manufacturing method thereofMITSUBISHI ELECTRIC CORP·Filed 2008·Granted May 18, 2010·3 cites·14 claims
- 1875US7538367B2Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2006·Granted May 26, 2009·3 cites·10 claims
- 1973US9735878B2Optical transmitter and control method of optical transmitterMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Aug 15, 2017·4 cites·11 claims
- 2071US8351029B2Optical fiber sensorMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Jan 8, 2013·6 cites·15 claims
- 2171US7859662B2On-vehicle fuel property detection deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Dec 28, 2010·3 cites·6 claims
- 2270US9557485B2System and method for manipulating polarizations of optical signalMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2015·Granted Jan 31, 2017·2 cites·15 claims
- 2369US7910953B2Optical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Mar 22, 2011·1 cites·5 claims
- 2459US8987125B2Method for manufacturing semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Mar 24, 2015·1 cites·16 claims
- 2556US2010133637A1Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2009·Application pending·0 cites
- 2655US12512648B2Semiconductor device and method of manufacturing semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Dec 30, 2025·0 cites·8 claims
- 2753US2008191240A1Avalanche Photo DiodeMITSUBISHI ELECTRIC CORP·Filed 2005·Application pending·0 cites
- 2852US2025307491A1Artificial intelligence assisted design and fabrication of semiconductor devicesMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2024·Application pending·0 cites
- 2948US12387934B2Method of manufacturing semiconductor elementMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Aug 12, 2025·0 cites·7 claims
- 3047US12494404B2Semiconductor device including stop islands and method for manufacturing semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Dec 9, 2025·0 cites·14 claims
- 3147US12269107B2Method for manufacturing composite substrate, and composite substrateMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Apr 8, 2025·0 cites·12 claims
- 3247US9052461B2Compound optical combinerMITSUBISHI ELECTRIC RES LAB·Filed 2013·Granted Jun 9, 2015·0 cites·15 claims
- 3346US10200130B2Optical transmitterMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Feb 5, 2019·0 cites·7 claims
- 3446US2023290635A1Method for manufacturing semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2020·Application pending·0 cites
- 3545US12476165B2Nitride semiconductor device, and method of manufacturing nitride semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Nov 18, 2025·0 cites·12 claims
- 3645US11854856B2Method of manufacturing semiconductor elementMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Dec 26, 2023·0 cites·19 claims
- 3745US5255218AOptical frequency multiple signal processing methodMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Oct 19, 1993·6 cites·22 claims
- 3845US2015086158A1Multi-Mode Phase-Shifting Interference DeviceMITSUBISHI ELECTRIC CORP·Filed 2013·Application pending·0 cites
- 3944US12426336B2Semiconductor device, and method of manufacturing semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Sep 23, 2025·0 cites·16 claims
- 4044US12349390B2Semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Jul 1, 2025·0 cites·20 claims
- 4144US9893210B2Semiconductor device and method of manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Feb 13, 2018·0 cites·16 claims
- 4244US9640703B2Avalanche photodiodeYAGYU EIJI·Filed 2004·Granted May 2, 2017·0 cites·8 claims
- 4343US9733497B2Semiconductor optical modulator and optical moduleMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Aug 15, 2017·0 cites·5 claims
- 4443US2024234575A9Semiconductor device and method of manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 2021·Application pending·0 cites
- 4542US11961765B2Method for manufacturing a semiconductor substrate and device by bonding an epitaxial substrate to a first support substrate, forming a first and second protective thin film layer, and exposing and bonding a nitride semiconductor layer to a second support substrateMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Apr 16, 2024·0 cites·10 claims
- 4642US10996400B2Optical waveguide interferometerMITSUBISHI ELECTRIC RES LABORATORIES INC·Filed 2016·Granted May 4, 2021·0 cites·17 claims
- 4742US10690989B2Optical modulation device and method for controlling optical modulation deviceMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Jun 23, 2020·0 cites·6 claims
- 4842US2023120994A1Polishing method, and semiconductor substrate manufacturing methodMITSUBISHI ELECTRIC CORP·Filed 2020·Application pending·0 cites
- 4941US2022085197A1Semiconductor device, and method of manufacturing semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2019·Application pending·0 cites
- 5039US2015069408A1Heterojunction field effect transistor and method for manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 2014·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →