Inventor
KOIZUMI RYUTA
JP30 patents
⚠️ This page may combine multiple inventors who share the name “KOIZUMI RYUTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
21 patentsUS7733364B2Jun 8, 2010
Line head and an image forming apparatus using such a line head
SEIKO EPSON CORP8 citations84
US7733363B2Jun 8, 2010
Line head and image forming device using the same
SEIKO EPSON CORP7 citations73
US7916163B2Mar 29, 2011
Exposure head, a method of controlling an exposure head and an image forming apparatus
SEIKO EPSON CORP3 citations63
US7808519B2Oct 5, 2010
Line head and an image forming apparatus using the line head
SEIKO EPSON CORP2 citations63
US7719560B2May 18, 2010
Line head and imaging apparatus incorporating the same
SEIKO EPSON CORP3 citations63
US11614679B2Mar 28, 2023
Light source apparatus and projector
SEIKO EPSON CORP0 citations62
US10379284B2Aug 13, 2019
Light source device and projector
SEIKO EPSON CORP1 citations62
US10261402B2Apr 16, 2019
Light source device and projector
SEIKO EPSON CORP1 citations62
US8022975B2Sep 20, 2011
Line head and image forming apparatus using the same
SEIKO EPSON CORP6 citations62
US7889222B2Feb 15, 2011
Lens array for a line head, a line head and an image forming apparatus
SEIKO EPSON CORP2 citations62
US11336875B2May 17, 2022
Wavelength conversion element, light source device, and projector
SEIKO EPSON CORP0 citations61
US8355185B2Jan 15, 2013
Exposure head and image forming apparatus
SEIKO EPSON CORP0 citations52
US8004549B2Aug 23, 2011
Line head and an image forming apparatus using the line head
SEIKO EPSON CORP1 citations52
US7952601B2May 31, 2011
Lens array, exposure head, and image forming apparatus
SEIKO EPSON CORP1 citations52
US7848023B2Dec 7, 2010
Lens array, an exposure head and an image forming apparatus
SEIKO EPSON CORP0 citations52
US11762271B2Sep 19, 2023
Projector
SEIKO EPSON CORP0 citations51
US11614680B2Mar 28, 2023
Illuminator and projector
SEIKO EPSON CORP0 citations51
US11703750B2Jul 18, 2023
Illuminator and projector
SEIKO EPSON CORP0 citations50
US11366377B2Jun 21, 2022
Wavelength conversion element, illumination device, and projector
SEIKO EPSON CORP0 citations50
US10845684B2Nov 24, 2020
Projector
SEIKO EPSON CORP0 citations42
US10542241B2Jan 21, 2020
Projector
SEIKO EPSON CORP0 citations41
NOMURA YUJIRO
3 patentsUS8300076B2Oct 30, 2012
Line head and an image forming apparatus using such a line head
NOMURA YUJIRO7 citations83
US8194106B2Jun 5, 2012
Line head and image forming apparatus using the same
NOMURA YUJIRO5 citations62
US8179413B2May 15, 2012
Image forming device that detects a moving time of a latent image carrier
NOMURA YUJIRO0 citations41
SOWA TAKESHI
3 patentsKOIZUMI RYUTA
3 patentsUS8274741B2Sep 25, 2012
Lens array, an exposure head and an image forming apparatus
KOIZUMI RYUTA5 citations60
US8120635B2Feb 21, 2012
Exposure head and an image forming apparatus
KOIZUMI RYUTA2 citations60
US8405700B2Mar 26, 2013
Exposure head and image forming apparatus with light emitting element emitting light forming first and second diagrams having angle
KOIZUMI RYUTA0 citations50