Inventor
FUKASAWA KOICHI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “FUKASAWA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CITIZEN ELECTRONICS
37 patentsUS6744194B2Jun 1, 2004
Light emitting diode
CITIZEN ELECTRONICS87 citations98
US6345903B1Feb 12, 2002
Surface-mount type emitting diode and method of manufacturing same
CITIZEN ELECTRONICS392 citations98
US6914267B2Jul 5, 2005
Light emitting diode
CITIZEN ELECTRONICS196 citations97
US6396082B1May 28, 2002
Light-emitting diode
CITIZEN ELECTRONICS159 citations97
US7365485B2Apr 29, 2008
White light emitting diode with first and second LED elements
CITIZEN ELECTRONICS114 citations96
US6638780B2Oct 28, 2003
Method for manufacturing light emitting diode devices
CITIZEN ELECTRONICS51 citations96
US7253447B2Aug 7, 2007
Light emitting element and light emitting device with the light emitting element and method for manufacturing the light emitting element
CITIZEN ELECTRONICS43 citations95
US7157853B2Jan 2, 2007
Planar light emitting diode with shielding and back light unit
CITIZEN ELECTRONICS39 citations93
USD476960SJul 8, 2003
Light-emitting diode
CITIZEN ELECTRONICS42 citations93
US7491977B2Feb 17, 2009
Light emitting diode
CITIZEN ELECTRONICS36 citations92
US7222993B2May 29, 2007
Light emitting diode device
CITIZEN ELECTRONICS38 citations92
US7187009B2Mar 6, 2007
Light emitting diode device for illumination objects
CITIZEN ELECTRONICS33 citations92
US6888173B2May 3, 2005
Light emitting diode device
CITIZEN ELECTRONICS20 citations92
US8348457B2Jan 8, 2013
Lighting device with light modulation for white light
CITIZEN ELECTRONICS11 citations84
US7434977B2Oct 14, 2008
Backlight system
CITIZEN ELECTRONICS11 citations84
US7560748B2Jul 14, 2009
Light emitting diode unit
CITIZEN ELECTRONICS13 citations83
US7763905B2Jul 27, 2010
Semiconductor light-emitting device
CITIZEN ELECTRONICS7 citations74
US7063996B2Jun 20, 2006
Method for manufacturing a light emitting diode device
CITIZEN ELECTRONICS10 citations74
US6822265B2Nov 23, 2004
Light emitting diode
CITIZEN ELECTRONICS9 citations74
USD462334SSep 3, 2002
Light emitting diode
CITIZEN ELECTRONICS6 citations74
US10591141B2Mar 17, 2020
Light-emitting apparatus with inclined light-emitting units
CITIZEN ELECTRONICS3 citations73
US10361344B2Jul 23, 2019
Light emitting device
CITIZEN ELECTRONICS3 citations73
US7021946B2Apr 4, 2006
Connector integrated with a LED element
CITIZEN ELECTRONICS9 citations71
US7859193B2Dec 28, 2010
Illumination apparatus
CITIZEN ELECTRONICS4 citations63
US7688591B2Mar 30, 2010
Electronic-component-mounting board
CITIZEN ELECTRONICS2 citations63
US10429050B2Oct 1, 2019
Light-emitting apparatus having different packaging densities
CITIZEN ELECTRONICS1 citations62
US7804102B2Sep 28, 2010
Illumination device and method for manufacturing the same
CITIZEN ELECTRONICS2 citations62
US7745835B2Jun 29, 2010
Light emitting diode and light emitting diode device including the light emitting diode element and method for manufacturing the light emitting diode
CITIZEN ELECTRONICS1 citations62
US7737462B2Jun 15, 2010
Light emitting diode and light emitting diode device including the light emitting diode element and method for manufacturing the light emitting diode
CITIZEN ELECTRONICS4 citations62
US10959312B2Mar 23, 2021
Lighting system for lighting space where display item is displayed, and lighting method
CITIZEN ELECTRONICS0 citations52
USRE47530EJul 23, 2019
Light-emitting diode apparatus
CITIZEN ELECTRONICS0 citations52
USRE46295EJan 31, 2017
Light-emitting diode apparatus
CITIZEN ELECTRONICS0 citations52
US7012243B2Mar 14, 2006
Photo-sensor and method for manufacturing the photo-sensor
CITIZEN ELECTRONICS0 citations52
US7517132B2Apr 14, 2009
Light-emitting and light-receiving backlight unit, and information device using the light-emitting and light-receiving backlight unit
CITIZEN ELECTRONICS1 citations51
US6973720B2Dec 13, 2005
Method for manufacturing a connector integrated with a LED
CITIZEN ELECTRONICS1 citations49
US9882106B2Jan 30, 2018
Semiconductor device and light-emitting apparatus
CITIZEN ELECTRONICS0 citations42
US9220142B2Dec 22, 2015
Light-emitting device
CITIZEN ELECTRONICS0 citations40