Inventor
YOKOYAMA YASUNORI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA YASUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOKOYAMA YASUNORI
7 patentsUS8765507B2Jul 1, 2014
Method for manufacturing group III nitride semiconductor, method for manufacturing group III nitride semiconductor light-emitting device, group III nitride semiconductor light-emitting device, and lamp
YOKOYAMA YASUNORI2 citations61
US8614454B2Dec 24, 2013
Semiconductor light-emitting device, manufacturing method thereof, and lamp
YOKOYAMA YASUNORI4 citations61
US8106419B2Jan 31, 2012
Group-III nitride compound semiconductor light-emitting device, method of manufacturing group-III nitride compound semiconductor light-emitting device, and lamp
YOKOYAMA YASUNORI2 citations61
US8080484B2Dec 20, 2011
Method for manufacturing group III nitride semiconductor layer, method for manufacturing group III nitride semiconductor light-emitting device, and group III nitride semiconductor light-emitting device, and lamp
YOKOYAMA YASUNORI2 citations61
US9040319B2May 26, 2015
Group-III nitride compound semiconductor light-emitting device, method of manufacturing group-III nitride compound semiconductor light-emitting device, and lamp
YOKOYAMA YASUNORI0 citations51
US8227359B2Jul 24, 2012
Method for manufacturing group III nitride semiconductor layer, method for manufacturing group III nitride semiconductor light-emitting device, and group III nitride semiconductor light-emitting device, and lamp
YOKOYAMA YASUNORI0 citations51
US8273592B2Sep 25, 2012
Method of manufacturing group-III nitride semiconductor light emitting device, group III nitride semiconductor light emitting device and lamp
YOKOYAMA YASUNORI0 citations40
SHOWA DENKO KK
5 patentsUS8368103B2Feb 5, 2013
Compound semiconductor light-emitting element and method of manufacturing the same, conductive translucent electrode for compound semiconductor light-emitting element, lamp, electronic device, and mechanical apparatus
SHOWA DENKO KK2 citations62
US8012784B2Sep 6, 2011
Method for producing group III nitride semiconductor light emitting device, group III nitride semiconductor light emitting device, and lamp
SHOWA DENKO KK5 citations62
US7867801B2Jan 11, 2011
Apparatus for producing group-III nitride semiconductor layer, method of producing group-III nitride semiconductor layer, method of producing group-III nitride semiconductor light-emitting device, group-III nitride semiconductor light-emitting device thereof, and lamp thereof
SHOWA DENKO KK4 citations62
US8383439B2Feb 26, 2013
Apparatus for manufacturing group-III nitride semiconductor layer, method of manufacturing group-III nitride semiconductor layer, group-III nitride semiconductor light-emitting device, method of manufacturing group-III nitride semiconductor light-emitting device, and lamp
SHOWA DENKO KK0 citations51
US7935980B2May 3, 2011
Method of manufacturing a semiconductor light-emitting device
SHOWA DENKO KK1 citations51
MIKI HISAYUKI
4 patentsUS8669129B2Mar 11, 2014
Method for producing group III nitride semiconductor light-emitting device, group III nitride semiconductor light-emitting device, and lamp
MIKI HISAYUKI6 citations72
US8882971B2Nov 11, 2014
Sputtering apparatus and manufacturing method of semiconductor light-emitting element
MIKI HISAYUKI2 citations62
US8569794B2Oct 29, 2013
Group III nitride semiconductor device and method for manufacturing the same, group III nitride semiconductor light-emitting device and method for manufacturing the same, and lamp
MIKI HISAYUKI4 citations62
US8148712B2Apr 3, 2012
Group III nitride compound semiconductor stacked structure
MIKI HISAYUKI2 citations62
YOKOGAWA ELECTRIC CORP
4 patentsUSD1104804SDec 9, 2025
Image cytometer
YOKOGAWA ELECTRIC CORP0 citations55
US12546984B2Feb 10, 2026
Information processing apparatus, information processing system, information processing method, and computer-readable recording medium
YOKOGAWA ELECTRIC CORP0 citations51
US12386023B2Aug 12, 2025
Detection device and detection method
YOKOGAWA ELECTRIC CORP0 citations43
US7692856B2Apr 6, 2010
Focus error detecting optical system for a microscope
YOKOGAWA ELECTRIC CORP0 citations40