Inventor · disambiguated record
Eitaro Ishimura
Also filed as: ISHIMURA EITARO
50 granted patents·9 pending applications·477 citations·filing 1993–2022
98Inventor score
Top patents by PatentIndex Score
59 records- 0195US5341391AVariable wavelength semiconductor laserMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Aug 23, 1994·99 cites·13 claims
- 0291US7462889B2Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Dec 9, 2008·17 cites·8 claims
- 0391US7187013B2Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Mar 6, 2007·16 cites·10 claims
- 0489US7259408B2Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Aug 21, 2007·13 cites·20 claims
- 0586US8655116B2Optical modulatorISHIMURA EITARO·Filed 2011·Granted Feb 18, 2014·6 cites·6 claims
- 0685US7415185B2Buried-waveguide-type light receiving element and manufacturing method thereofMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Aug 19, 2008·8 cites·10 claims
- 0785US7030477B2Optical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Apr 18, 2006·13 cites·15 claims
- 0884US7038251B2Semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2005·Granted May 2, 2006·8 cites·13 claims
- 0984US5717710AOptical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Feb 10, 1998·61 cites·6 claims
- 1083US8698268B2Avalanche photodiode and method for manufacturing the avalanche photodiodeYAGYU EIJI·Filed 2011·Granted Apr 15, 2014·4 cites·9 claims
- 1182US8526478B2Semiconductor optical integrated elementISHIMURA EITARO·Filed 2011·Granted Sep 3, 2013·7 cites·6 claims
- 1280US8035181B2Semiconductor photodetector with improved quantum efficiency as a function of detected light wavelengthMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Oct 11, 2011·5 cites·6 claims
- 1379US7345325B2Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Mar 18, 2008·4 cites·2 claims
- 1476US7928472B2Optical semiconductor device with a distributed Bragg reflector layerMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Apr 19, 2011·5 cites·8 claims
- 1575US9042008B2Optical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted May 26, 2015·2 cites·10 claims
- 1675US7719028B2Semiconductor light-receiving device and manufacturing method thereofMITSUBISHI ELECTRIC CORP·Filed 2008·Granted May 18, 2010·3 cites·14 claims
- 1775US7538367B2Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2006·Granted May 26, 2009·3 cites·10 claims
- 1874US7893460B2Semiconductor light detecting element including first and second multilayer light reflective structures sandwiching and contacting a light absorptive layerMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Feb 22, 2011·3 cites·14 claims
- 1972US7855400B2Semiconductor light detecting element and method for manufacturing the semiconductor light detecting elementMITSUBISHI ELECTRIC CORP·Filed 2009·Granted Dec 21, 2010·2 cites·12 claims
- 2072US7557418B2Semiconductor photoreceptor deviceMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Jul 7, 2009·2 cites·2 claims
- 2170US5602672ALight modulator module and method for fabricating light modulator moduleMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Feb 11, 1997·40 cites·20 claims
- 2269US7910953B2Optical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Mar 22, 2011·1 cites·5 claims
- 2369US7875943B2Semiconductor photoreceptor deviceMITSUBISHI ELECTRIC CORP·Filed 2009·Granted Jan 25, 2011·1 cites·4 claims
- 2466US7020375B2Waveguide light detecting elementMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Mar 28, 2006·12 cites·6 claims
- 2565US7109523B2Package for optical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Sep 19, 2006·7 cites·20 claims
- 2661US5521742ASemiconductor optical modulatorMITSUBISHI ELECTRIC CORP·Filed 1994·Granted May 28, 1996·23 cites·2 claims
- 2760US6734519B1Waveguide photodiodeMITSUBISHI ELECTRIC CORP·Filed 2003·Granted May 11, 2004·8 cites·7 claims
- 2860US5771257ALight absorption modulator and integrated semiconductor laser and modulatorMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jun 23, 1998·23 cites·4 claims
- 2959US7851823B2Semiconductor photodetector deviceMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Dec 14, 2010·0 cites·4 claims
- 3059US7031587B2Waveguide type photoreceptor device with particular thickness ratioMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Apr 18, 2006·7 cites·10 claims
- 3158US5942771ASemiconductor photodetectorMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Aug 24, 1999·22 cites·2 claims
- 3258US5880489ASemiconductor photodetectorMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Mar 9, 1999·24 cites·2 claims
- 3356US2010133637A1Avalanche photodiodeMITSUBISHI ELECTRIC CORP·Filed 2009·Application pending·0 cites
- 3455US8659053B2Semiconductor light detecting elementSASAHATA YOSHIFUMI·Filed 2012·Granted Feb 25, 2014·0 cites·13 claims
- 3555US2013299936A1Avalanche photodiode and method for manufacturing the sameTAKEMURA RYOTA·Filed 2013·Application pending·0 cites
- 3654US2006202297A1Semiconductor photodetector deviceMITSUBISHI ELECTRIC CORP·Filed 2005·Application pending·0 cites
- 3753US2008191240A1Avalanche Photo DiodeMITSUBISHI ELECTRIC CORP·Filed 2005·Application pending·0 cites
- 3852US7808065B2Semiconductor light receiving elementMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Oct 5, 2010·0 cites·11 claims
- 3952US2013208350A1Optical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2012·Application pending·0 cites
- 4050US9263853B2Optical semiconductor device, method for manufacturing optical semiconductor device, and method for manufacturing optical moduleMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Feb 16, 2016·0 cites·8 claims
- 4150US9147997B2Optical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Sep 29, 2015·0 cites·7 claims
- 4250US7723666B2Photodiode array configured to increase electrical output power and optical microwave transmission system receiver utilizing the sameMITSUBISHI ELECTRIC CORP·Filed 2005·Granted May 25, 2010·0 cites·5 claims
- 4348US9184568B2Wavelength variable light source and wavelength variable light source moduleMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 10, 2015·0 cites·5 claims
- 4448US6914706B2Optical modulatorMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jul 5, 2005·2 cites·13 claims
- 4547US7791104B2Optical semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Sep 7, 2010·0 cites·12 claims
- 4647US2006186501A1Semiconductor photodetector device and manufacturing method thereforMITSUBISHI ELECTRIC CORP·Filed 2005·Application pending·0 cites
- 4747US2025204059A1Semiconductor light-receiving device and method for manufacturing sameMITSUBISHI ELECTRIC CORP·Filed 2022·Application pending·0 cites
- 4846US2025221060A1Semiconductor light-receiving deviceMITSUBISHI ELECTRIC CORP·Filed 2022·Application pending·0 cites
- 4944US9640703B2Avalanche photodiodeYAGYU EIJI·Filed 2004·Granted May 2, 2017·0 cites·8 claims
- 5043US11342724B2Semiconductor optical integrated deviceMITSUBISHI ELECTRIC CORP·Filed 2018·Granted May 24, 2022·0 cites·5 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Eitaro Ishimura files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →