Inventor
SEKINE KOUJIROU
JP25 patents
⚠️ This page may combine multiple inventors who share the name “SEKINE KOUJIROU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONICA MINOLTA INC
8 patentsUS10094534B2Oct 9, 2018
Surface-emitting unit having dimming regions
KONICA MINOLTA INC1 citations51
US9806294B2Oct 31, 2017
Surface light emitting element
KONICA MINOLTA INC1 citations51
US11237227B2Feb 1, 2022
Magnetic sensor
KONICA MINOLTA INC0 citations50
US10541382B2Jan 21, 2020
Electroluminescent device capable of preventing coloration of front reflected light
KONICA MINOLTA INC0 citations50
US10115932B2Oct 30, 2018
Method of designing electroluminescent device, electroluminescent device manufactured with the design method, and method of manufacturing electroluminescent device with the design method
KONICA MINOLTA INC0 citations50
US9893324B2Feb 13, 2018
Method of designing electroluminescent device, electroluminescent device manufactured with the design method, and method of manufacturing electroluminescent device with the design method
KONICA MINOLTA INC0 citations50
US11652243B2May 16, 2023
Non-destructive inspection method
KONICA MINOLTA INC0 citations49
US9869808B2Jan 16, 2018
Planar light-emitting unit
KONICA MINOLTA INC0 citations41
MINOLTA CO LTD
5 patentsUS6822796B2Nov 23, 2004
Diffractive optical element
MINOLTA CO LTD67 citations95
US6853760B2Feb 8, 2005
Optical functional device and optical integrated device
MINOLTA CO LTD15 citations83
US6466708B2Oct 15, 2002
Optical module and manufacturing method thereof
MINOLTA CO LTD6 citations62
US7038852B2May 2, 2006
Polarization conversion optical system and polarization conversion element
MINOLTA CO LTD1 citations51
US6807330B2Oct 19, 2004
Optical switch using an optical waveguide
MINOLTA CO LTD0 citations51
KONICA MINOLTA HOLDINGS INC
3 patentsUS7385761B2Jun 10, 2008
Diffraction grating device and optical apparatus
KONICA MINOLTA HOLDINGS INC4 citations62
US7199926B2Apr 3, 2007
Diffraction grating device and optical apparatus
KONICA MINOLTA HOLDINGS INC1 citations62
US7056037B2Jun 6, 2006
Optical bidirectional module
KONICA MINOLTA HOLDINGS INC6 citations61
KONICA MINOLTA OPTO INC
3 patentsUS7755978B2Jul 13, 2010
Recording head and recorder
KONICA MINOLTA OPTO INC2 citations61
US7944780B2May 17, 2011
Magnetic recording device and magnetic recording head drive mechanism having a magnetic applying section of a specific length
KONICA MINOLTA OPTO INC1 citations52
US8345515B2Jan 1, 2013
Deflection optical element, optical recording head and optical recording apparatus
KONICA MINOLTA OPTO INC0 citations40
SEKINE KOUJIROU
3 patentsUS8604504B2Dec 10, 2013
Organic light-emitting element
SEKINE KOUJIROU4 citations60
US8274866B2Sep 25, 2012
Optical recording head and optical recording apparatus
SEKINE KOUJIROU5 citations60
US8072847B2Dec 6, 2011
Optical device, optically heat assisted magnetic recording head and optically heat assisted magnetic recording apparatus, having intensity point deviated from axis of the core
SEKINE KOUJIROU1 citations50