Inventor
NAGAI YOUICHI
JP82 patents
⚠️ This page may combine multiple inventors who share the name “NAGAI YOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
34 patentsUS5908480AJun 1, 1999
Particulate trap for diesel engine
SUMITOMO ELECTRIC INDUSTRIES184 citations98
US5709722AJan 20, 1998
Particulate trap for diesel engine
SUMITOMO ELECTRIC INDUSTRIES88 citations95
US7732236B2Jun 8, 2010
III nitride semiconductor crystal and manufacturing method thereof, III nitride semiconductor device manufacturing method thereof, and light emitting device
SUMITOMO ELECTRIC INDUSTRIES20 citations93
US7476909B2Jan 13, 2009
Light emitting device
SUMITOMO ELECTRIC INDUSTRIES29 citations92
US7190004B2Mar 13, 2007
Light emitting device
SUMITOMO ELECTRIC INDUSTRIES32 citations92
US5863311AJan 26, 1999
Particulate trap for diesel engine
SUMITOMO ELECTRIC INDUSTRIES51 citations92
USD803803SNov 28, 2017
Flexible printed wiring board
SUMITOMO ELECTRIC INDUSTRIES3 citations84
USD785575SMay 2, 2017
Flexible printed wiring board
SUMITOMO ELECTRIC INDUSTRIES7 citations84
USD784936SApr 25, 2017
Flexible printed wiring board with device
SUMITOMO ELECTRIC INDUSTRIES8 citations84
US7508046B2Mar 24, 2009
Photodetector
SUMITOMO ELECTRIC INDUSTRIES11 citations84
US7423284B2Sep 9, 2008
Light emitting device, method for making the same, and nitride semiconductor substrate
SUMITOMO ELECTRIC INDUSTRIES10 citations84
US7608825B2Oct 27, 2009
Image pickup device, vision enhancement apparatus, night-vision apparatus, navigation support apparatus, and monitoring apparatus
SUMITOMO ELECTRIC INDUSTRIES7 citations74
USD831594SOct 23, 2018
Flexible printed wiring board
SUMITOMO ELECTRIC INDUSTRIES2 citations73
USD812023SMar 6, 2018
Flexible printed wiring board
SUMITOMO ELECTRIC INDUSTRIES2 citations73
USD810707SFeb 20, 2018
Flexible printed wiring board with device
SUMITOMO ELECTRIC INDUSTRIES2 citations73
USD805045SDec 12, 2017
Flexible printed wiring board
SUMITOMO ELECTRIC INDUSTRIES2 citations73
USD803172SNov 21, 2017
Flexible printed wiring board
SUMITOMO ELECTRIC INDUSTRIES2 citations73
US9698297B2Jul 4, 2017
Light-receiving device and method for producing the same
SUMITOMO ELECTRIC INDUSTRIES2 citations73
US9577131B2Feb 21, 2017
Concentrator photovoltaic module, concentrator photovoltaic panel, and flexible printed circuit for concentrator photovoltaic module
SUMITOMO ELECTRIC INDUSTRIES3 citations73
US7687822B2Mar 30, 2010
Light emitting apparatus
SUMITOMO ELECTRIC INDUSTRIES6 citations73
US8378300B2Feb 19, 2013
Near-infrared imaging sensor
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US8373156B2Feb 12, 2013
Biological component detection device
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US8362521B2Jan 29, 2013
III nitride semiconductor crystal, III nitride semiconductor device, and light emitting device
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US8022449B2Sep 20, 2011
Photodiode array, method of manufacturing the same, and detecting device
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US7745895B2Jun 29, 2010
Semiconductor light emitting device
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US7560740B2Jul 14, 2009
Light-emitting device
SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7491974B2Feb 17, 2009
Light-emitting device
SUMITOMO ELECTRIC INDUSTRIES4 citations63
US11101395B2Aug 24, 2021
Wiring module
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US10985286B2Apr 20, 2021
Power generation module and wiring substrate
SUMITOMO ELECTRIC INDUSTRIES0 citations62
USD877100SMar 3, 2020
Jig for attaching flexible printed wiring board
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US10560051B2Feb 11, 2020
Photovoltaic apparatus
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US7875906B2Jan 25, 2011
Photodetector and production method thereof
SUMITOMO ELECTRIC INDUSTRIES2 citations62
US7202509B2Apr 10, 2007
Light emitting apparatus
SUMITOMO ELECTRIC INDUSTRIES5 citations62
USD910538SFeb 16, 2021
Casing for a concentrator photovoltaic module
SUMITOMO ELECTRIC INDUSTRIES0 citations60
NAGAI YOUICHI
4 patentsUS8243139B2Aug 14, 2012
Image pickup device, visibility support apparatus, night vision device, navigation support apparatus, and monitoring device
NAGAI YOUICHI17 citations92
US8274127B2Sep 25, 2012
Photodiode array for image pickup device
NAGAI YOUICHI6 citations72
US8174118B2May 8, 2012
Detection device and method for manufacturing the same
NAGAI YOUICHI2 citations62
US8182132B2May 22, 2012
Multistage-mixing microdevice
NAGAI YOUICHI4 citations61
TOYOTA MOTOR CO LTD
2 patentsFUJII KEI
2 patentsIGUCHI YASUHIRO
2 patentsSUMITOMO ELECTRIC INDUCTRIES LTD
1 patentMORI HIROKI
1 patentINADA HIROSHI
1 patentDAINIPPON PRINTING CO LTD
1 patentAKITA KATSUSHI
1 patentMITSUBISHI RAYON CO
1 patentShowing the top 50 of 82 patents by PatentIndex Score.