Inventor
HIRAKAWA HIROYUKI
JP38 patents
⚠️ This page may combine multiple inventors who share the name “HIRAKAWA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
12 patentsUS7477442B2Jan 13, 2009
Display apparatus and method for producing the same
SHARP KK17 citations83
US7515851B2Apr 7, 2009
Electron emitter, charger, and charging method
SHARP KK2 citations63
US7307379B2Dec 11, 2007
Electron emitting element and image forming apparatus employing it
SHARP KK3 citations63
US6873813B2Mar 29, 2005
Development method and image formation apparatus
SHARP KK2 citations63
US6622000B2Sep 16, 2003
Developing apparatus having a charge amount control member
SHARP KK6 citations63
US6275666B1Aug 14, 2001
Developing device and image formation apparatus
SHARP KK5 citations63
US11485950B2Nov 1, 2022
Cell stimulation device, cell culture device, and cell stimulation method
SHARP KK0 citations60
US10727021B2Jul 28, 2020
Electron emission element, electrification apparatus, and image forming apparatus
SHARP KK0 citations52
US7317285B2Jan 8, 2008
Electron emission device having cleaning function
SHARP KK1 citations52
US6681091B2Jan 20, 2004
Development method and image formation apparatus
SHARP KK0 citations52
US7664438B2Feb 16, 2010
Developing device, image forming apparatus and developing method
SHARP KK0 citations42
US8378565B2Feb 19, 2013
Electron emitting element having an electron acceleration layer using fine particle layer
SHARP KK0 citations41
HIRAKAWA HIROYUKI
8 patentsUS8110971B2Feb 7, 2012
Light emitting element, light emitting device, image display device, method of driving light emitting element, and method of producing light emitting element
HIRAKAWA HIROYUKI15 citations82
US8487521B2Jul 16, 2013
Electron emitting element, method for producing electron emitting element, electron emitting device, charging device, image forming apparatus, electron-beam curing device, light emitting device, image display device, air blowing device, and cooling device
HIRAKAWA HIROYUKI5 citations71
US9184355B2Nov 10, 2015
Curable resin composition for reflection of light, and optical semiconductor device
HIRAKAWA HIROYUKI3 citations62
US8559852B2Oct 15, 2013
Electron emitting device and driving method thereof
HIRAKAWA HIROYUKI3 citations62
US8164247B2Apr 24, 2012
Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, and electron-beam curing device
HIRAKAWA HIROYUKI4 citations61
US8476818B2Jul 2, 2013
Electron emitting element including a fine particle layer containing insulating particles, and devices and methods related thereto
HIRAKAWA HIROYUKI0 citations51
US8928722B2Jan 6, 2015
Optical scanning device and image forming apparatus comprising the same
HIRAKAWA HIROYUKI0 citations41
US8860293B2Oct 14, 2014
Electron emitting element and method for producing the same
HIRAKAWA HIROYUKI0 citations41
KYOCERA DOCUMENT SOLUTIONS INC
3 patentsUS8923723B2Dec 30, 2014
Developing device and image forming apparatus comprising same
KYOCERA DOCUMENT SOLUTIONS INC8 citations83
US9056489B2Jun 16, 2015
Optical scanning device and image forming apparatus including the same
KYOCERA DOCUMENT SOLUTIONS INC3 citations63
US8891998B2Nov 18, 2014
Image forming apparatus including louvers for directing airflow
KYOCERA DOCUMENT SOLUTIONS INC0 citations37
NAGAOKA AYAE
3 patentsUS8547007B2Oct 1, 2013
Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, electron-beam curing device, and method for producing electron emitting element
NAGAOKA AYAE2 citations60
US8616931B2Dec 31, 2013
Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, electron-beam curing device, and method for producing electron emitting element
NAGAOKA AYAE1 citations49
US8421331B2Apr 16, 2013
Electron emitting element and method for producing the same
NAGAOKA AYAE0 citations46