Inventor
ISHIMURA EITARO
JP50 patents
⚠️ This page may combine multiple inventors who share the name “ISHIMURA EITARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
45 patentsUS5717710AFeb 10, 1998
Optical semiconductor device
MITSUBISHI ELECTRIC CORP61 citations96
US5341391AAug 23, 1994
Variable wavelength semiconductor laser
MITSUBISHI ELECTRIC CORP99 citations96
US7187013B2Mar 6, 2007
Avalanche photodiode
MITSUBISHI ELECTRIC CORP16 citations92
US5942771AAug 24, 1999
Semiconductor photodetector
MITSUBISHI ELECTRIC CORP22 citations92
US5771257AJun 23, 1998
Light absorption modulator and integrated semiconductor laser and modulator
MITSUBISHI ELECTRIC CORP23 citations92
US5602672AFeb 11, 1997
Light modulator module and method for fabricating light modulator module
MITSUBISHI ELECTRIC CORP40 citations92
US5521742AMay 28, 1996
Semiconductor optical modulator
MITSUBISHI ELECTRIC CORP23 citations92
US5880489AMar 9, 1999
Semiconductor photodetector
MITSUBISHI ELECTRIC CORP24 citations91
US7462889B2Dec 9, 2008
Avalanche photodiode
MITSUBISHI ELECTRIC CORP17 citations84
US7259408B2Aug 21, 2007
Avalanche photodiode
MITSUBISHI ELECTRIC CORP13 citations84
US7030477B2Apr 18, 2006
Optical semiconductor device
MITSUBISHI ELECTRIC CORP13 citations84
US7020375B2Mar 28, 2006
Waveguide light detecting element
MITSUBISHI ELECTRIC CORP12 citations84
US7415185B2Aug 19, 2008
Buried-waveguide-type light receiving element and manufacturing method thereof
MITSUBISHI ELECTRIC CORP8 citations74
US7109523B2Sep 19, 2006
Package for optical semiconductor device
MITSUBISHI ELECTRIC CORP7 citations74
US7031587B2Apr 18, 2006
Waveguide type photoreceptor device with particular thickness ratio
MITSUBISHI ELECTRIC CORP7 citations74
US6734519B1May 11, 2004
Waveguide photodiode
MITSUBISHI ELECTRIC CORP8 citations74
US6021148AFeb 1, 2000
Semiconductor laser device
MITSUBISHI ELECTRIC CORP8 citations74
US5684307ANov 4, 1997
Semiconductor photodiode having the electrodes formed on the same surface
MITSUBISHI ELECTRIC CORP7 citations74
US5528413AJun 18, 1996
Semiconductor light intensity modulator
MITSUBISHI ELECTRIC CORP10 citations74
US7038251B2May 2, 2006
Semiconductor device
MITSUBISHI ELECTRIC CORP8 citations73
US8035181B2Oct 11, 2011
Semiconductor photodetector with improved quantum efficiency as a function of detected light wavelength
MITSUBISHI ELECTRIC CORP5 citations63
US7928472B2Apr 19, 2011
Optical semiconductor device with a distributed Bragg reflector layer
MITSUBISHI ELECTRIC CORP5 citations63
US7893460B2Feb 22, 2011
Semiconductor light detecting element including first and second multilayer light reflective structures sandwiching and contacting a light absorptive layer
MITSUBISHI ELECTRIC CORP3 citations63
US7855400B2Dec 21, 2010
Semiconductor light detecting element and method for manufacturing the semiconductor light detecting element
MITSUBISHI ELECTRIC CORP2 citations63
US7719028B2May 18, 2010
Semiconductor light-receiving device and manufacturing method thereof
MITSUBISHI ELECTRIC CORP3 citations63
US7557418B2Jul 7, 2009
Semiconductor photoreceptor device
MITSUBISHI ELECTRIC CORP2 citations63
US7538367B2May 26, 2009
Avalanche photodiode
MITSUBISHI ELECTRIC CORP3 citations63
US6914706B2Jul 5, 2005
Optical modulator
MITSUBISHI ELECTRIC CORP2 citations63
US7345325B2Mar 18, 2008
Avalanche photodiode
MITSUBISHI ELECTRIC CORP4 citations62
US9042008B2May 26, 2015
Optical semiconductor device
MITSUBISHI ELECTRIC CORP2 citations61
US11342724B2May 24, 2022
Semiconductor optical integrated device
MITSUBISHI ELECTRIC CORP0 citations52
US11215774B2Jan 4, 2022
Semiconductor optical integrated device
MITSUBISHI ELECTRIC CORP0 citations52
US7910953B2Mar 22, 2011
Optical semiconductor device
MITSUBISHI ELECTRIC CORP1 citations52
US7875943B2Jan 25, 2011
Semiconductor photoreceptor device
MITSUBISHI ELECTRIC CORP1 citations52
US7791104B2Sep 7, 2010
Optical semiconductor device
MITSUBISHI ELECTRIC CORP0 citations52
US7723666B2May 25, 2010
Photodiode array configured to increase electrical output power and optical microwave transmission system receiver utilizing the same
MITSUBISHI ELECTRIC CORP0 citations52
US9184568B2Nov 10, 2015
Wavelength variable light source and wavelength variable light source module
MITSUBISHI ELECTRIC CORP0 citations51
US9147997B2Sep 29, 2015
Optical semiconductor device
MITSUBISHI ELECTRIC CORP0 citations51
US9263853B2Feb 16, 2016
Optical semiconductor device, method for manufacturing optical semiconductor device, and method for manufacturing optical module
MITSUBISHI ELECTRIC CORP0 citations49
US11329179B2May 10, 2022
Semiconductor light-receiving device and method for manufacturing the same
MITSUBISHI ELECTRIC CORP0 citations48
US6617667B2Sep 9, 2003
Optical device carrier
MITSUBISHI ELECTRIC CORP1 citations43
US7851823B2Dec 14, 2010
Semiconductor photodetector device
MITSUBISHI ELECTRIC CORP0 citations42
US7808065B2Oct 5, 2010
Semiconductor light receiving element
MITSUBISHI ELECTRIC CORP0 citations42
US9601906B2Mar 21, 2017
Wavelength-tunable light source and wavelength-tunable light source module
MITSUBISHI ELECTRIC CORP0 citations39
US9804330B1Oct 31, 2017
Semiconductor device
MITSUBISHI ELECTRIC CORP0 citations38