Inventor
MASUDA KOJI
JP131 patents
⚠️ This page may combine multiple inventors who share the name “MASUDA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
17 patentsUS6081386AJun 27, 2000
Optical scanning lens, optical scanning and imaging system and optical scanning apparatus incorporating same
RICOH KK155 citations99
US6069724AMay 30, 2000
Optical scanning lens and optical scanning apparatus
RICOH KK120 citations98
US6686946B2Feb 3, 2004
Density unevenness suppressing image forming apparatus and method
RICOH KK106 citations96
US7817176B2Oct 19, 2010
Light source device, optical scanning device, and image forming apparatus
RICOH KK21 citations93
US7068295B2Jun 27, 2006
Optical writing unit, a driving method thereof, and an image forming apparatus
RICOH KK27 citations93
US6847472B2Jan 25, 2005
Optical scanning device image forming apparatus and optical scanning method
RICOH KK17 citations93
US6724414B2Apr 20, 2004
Imaging device array, optical writing unit and image forming apparatus
RICOH KK30 citations93
US6717606B2Apr 6, 2004
Optical print head and image forming apparatus using a rod lens with a predetermined conjugate length
RICOH KK33 citations93
US6697181B2Feb 24, 2004
Optical scanning device, image forming apparatus and optical scanning method
RICOH KK27 citations93
US6496214B1Dec 17, 2002
Image forming elements array, and optical printing head and image forming apparatus using the array
RICOH KK32 citations93
US6462879B2Oct 8, 2002
Optical writing device and image forming apparatus and method using the same
RICOH KK30 citations93
US6456314B1Sep 24, 2002
Optical printing head and image forming apparatus using it
RICOH KK32 citations93
US7804513B2Sep 28, 2010
Optical writing unit, image forming apparatus, process cartridge, and method of adjusting light intensity
RICOH KK10 citations84
US7705868B2Apr 27, 2010
Light emitting array with improved characteristics, optical writing unit, and image forming apparatus
RICOH KK11 citations84
US7619795B2Nov 17, 2009
Optical scanning device, optical scanning method, and image forming apparatus
RICOH KK13 citations84
US7593150B2Sep 22, 2009
Diffraction optical element, light beam detection device, optical scanner and image forming apparatus
RICOH KK15 citations84
US7450283B2Nov 11, 2008
Multi-beam light source unit, optical scanning device, image formation apparatus, light beam combining unit, optical system, optical apparatus
RICOH KK13 citations84
CANON KK
10 patentsUS5915146AJun 22, 1999
Image heating apparatus with multiple temperature detecting members
CANON KK58 citations96
US5171969ADec 15, 1992
Movable film fixing device with heater control responsive to selected sheet size
CANON KK54 citations95
US6442355B2Aug 27, 2002
Developer density controlling apparatus including target density information detection and toner image density detection
CANON KK26 citations93
US6067433AMay 23, 2000
Developing apparatus for regulating the amount of developer in the vicinity of repulsive magnetic pole
CANON KK34 citations93
US5204723AApr 20, 1993
Heating apparatus having heater with branch
CANON KK35 citations91
US6975828B2Dec 13, 2005
Image forming apparatus
CANON KK15 citations84
US6850722B2Feb 1, 2005
Image forming apparatus
CANON KK14 citations83
US6987934B2Jan 17, 2006
Image forming apparatus
CANON KK10 citations74
US6978106B2Dec 20, 2005
Developing apparatus having modified developer carrying capability
CANON KK7 citations74
US6449441B2Sep 10, 2002
Developer supplying apparatus
CANON KK9 citations74
IBM
10 patentsUS10025044B1Jul 17, 2018
Optical structure
IBM23 citations94
US10775573B1Sep 15, 2020
Embedding mirror with metal particle coating
IBM32 citations93
US11087861B2Aug 10, 2021
Creation of new chemical compounds having desired properties using accumulated chemical data to construct a new chemical structure for synthesis
IBM10 citations86
US10956806B2Mar 23, 2021
Efficient assembly of oligonucleotides for nucleic acid based data storage
IBM17 citations86
US10539752B2Jan 21, 2020
Optical structure
IBM11 citations86
US10018781B1Jul 10, 2018
Fluid control structure
IBM16 citations84
US10613282B2Apr 7, 2020
Fluid control structure
IBM8 citations83
US10366779B2Jul 30, 2019
Scheme of new materials
IBM14 citations83
US9989713B1Jun 5, 2018
Fluid control structure
IBM8 citations83
US11720801B2Aug 8, 2023
Chemical reaction network for estimating concentration of chemical species based on an identified pattern of output chemical species
IBM4 citations75
NISSAN MOTOR
4 patentsUS5407880AApr 18, 1995
Catalysts for adsorption of hydrocarbons
NISSAN MOTOR95 citations94
US4587231AMay 6, 1986
Method of producing monolithic catalyst for purification of exhaust gas
NISSAN MOTOR82 citations93
US4501823AFeb 26, 1985
Catalyst for reforming of methanol and process of preparing same
NISSAN MOTOR38 citations93
US4499205AFeb 12, 1985
High activity catalyst for reforming of methanol and process of preparing same
NISSAN MOTOR41 citations93
MASUDA KOJI
4 patentsUS9377739B2Jun 28, 2016
Toner-density calculating method, reflective optical sensor, reflective optical sensor device, and image forming apparatus
MASUDA KOJI6 citations84
US8787782B2Jul 22, 2014
Toner-density calculating method, reflective optical sensor, reflective optical sensor device, and image forming apparatus
MASUDA KOJI5 citations84
US8260164B2Sep 4, 2012
Toner-density calculating method, reflective optical sensor, reflective optical sensor device, and image forming apparatus
MASUDA KOJI10 citations84
US8249477B2Aug 21, 2012
Method of detecting position of toner pattern, optical sensor, and image forming apparatus
MASUDA KOJI7 citations84
FUJI XEROX CO LTD
3 patentsUS5987291ANov 16, 1999
Image forming apparatus and a sheet carrying apparatus
FUJI XEROX CO LTD22 citations93
US4875060AOct 17, 1989
Discharge head for an electrostatic recording device
FUJI XEROX CO LTD27 citations92
US5870659AFeb 9, 1999
Color image forming apparatus and method using plural photosensitive drums
FUJI XEROX CO LTD17 citations84
STC UNM
1 patentKUROSE NORIYUKI
1 patentShowing the top 50 of 131 patents by PatentIndex Score.