Inventor
TAKEUCHI RYOUICHI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “TAKEUCHI RYOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHOWA DENKO KK
16 patentsUS6512248B1Jan 28, 2003
Semiconductor light-emitting device, electrode for the device, method for fabricating the electrode, LED lamp using the device, and light source using the LED lamp
SHOWA DENKO KK49 citations94
US7863630B2Jan 4, 2011
Light-emitting diode and method for fabrication thereof
SHOWA DENKO KK10 citations84
US7842966B2Nov 30, 2010
Compound semiconductor light-emitting diode and method for fabrication thereof
SHOWA DENKO KK10 citations84
US7528417B2May 5, 2009
Light-emitting diode device and production method thereof
SHOWA DENKO KK9 citations84
US6677615B2Jan 13, 2004
Semiconductor light-emitting device, electrode for the device, method for fabricating the electrode, LED lamp using the device, and light source using the LED lamp
SHOWA DENKO KK14 citations82
US10172294B2Jan 8, 2019
Method for cultivating plant
SHOWA DENKO KK2 citations73
US9549507B2Jan 24, 2017
Method for cultivating plant
SHOWA DENKO KK4 citations68
US6346719B1Feb 12, 2002
AlGaInP light-emitting diode
SHOWA DENKO KK7 citations68
US7732831B2Jun 8, 2010
Compound semiconductor light-emitting device with AlGaInP light-emitting layer formed within
SHOWA DENKO KK3 citations62
US7915619B2Mar 29, 2011
Light-emitting diode and method for fabrication thereof
SHOWA DENKO KK5 citations61
US8022436B2Sep 20, 2011
Light emitting diode, production method thereof and lamp
SHOWA DENKO KK4 citations57
US7790481B2Sep 7, 2010
Compound semiconductor light-emitting device and production method thereof
SHOWA DENKO KK1 citations51
US9112084B2Aug 18, 2015
Light emitting diode, light emitting diode lamp, and illuminating apparatus
SHOWA DENKO KK0 citations50
US9445549B2Sep 20, 2016
Method for cultivating plant
SHOWA DENKO KK0 citations47
US9363951B2Jun 14, 2016
Method for cultivating plant
SHOWA DENKO KK0 citations47
US7732830B2Jun 8, 2010
Compound semiconductor light-emitting diode
SHOWA DENKO KK0 citations42
SEO NORIYOSHI
4 patentsUS8901584B2Dec 2, 2014
Light emitting diode, light emitting diode lamp and illuminating device
SEO NORIYOSHI6 citations71
US8482027B2Jul 9, 2013
Epitaxial wafer for light emitting diode
SEO NORIYOSHI4 citations60
US9627578B2Apr 18, 2017
Epitaxial wafer for light-emitting diodes
SEO NORIYOSHI0 citations50
US9184345B2Nov 10, 2015
Light emitting diode and light emitting diode lamp
SEO NORIYOSHI0 citations39
NABEKURA WATARU
3 patentsUS8158987B2Apr 17, 2012
Light-emitting diode and method for fabrication thereof
NABEKURA WATARU29 citations90
US8643023B2Feb 4, 2014
Light emitting diode, light emitting diode lamp, and lighting apparatus
NABEKURA WATARU1 citations49
US8729598B2May 20, 2014
Light-emitting diode, method for manufacturing the same, and light-emitting diode lamp
NABEKURA WATARU0 citations39
TAKEUCHI RYOUICHI
3 patentsUS8134176B2Mar 13, 2012
Light-emitting diode and light-emitting diode lamp
TAKEUCHI RYOUICHI2 citations60
US8217405B2Jul 10, 2012
Light-emitting diode and method for fabrication thereof
TAKEUCHI RYOUICHI0 citations50
US9485919B2Nov 8, 2016
Multicolor light emitting diode lamp for plant growth, illumination apparatus, and plant growth method
TAKEUCHI RYOUICHI1 citations49