Inventor
IWATA NAOKI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “IWATA NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
31 patentsUS5424814AJun 13, 1995
Developing device with microfields formed on developer carrier
RICOH KK78 citations96
US5339141AAug 16, 1994
Developing device with a developer carrier capable of forming numerous microfields thereon
RICOH KK97 citations96
US5311263AMay 10, 1994
Developing apparatus for image forming equipment using developer carrier for forming microfields
RICOH KK56 citations96
US5245391ASep 14, 1993
Developing device having surface microfields for an image forming apparatus
RICOH KK64 citations96
US5502552AMar 26, 1996
Developing device for an image forming apparatus
RICOH KK74 citations95
US5812917ASep 22, 1998
Developing apparatus
RICOH KK49 citations93
US7352987B2Apr 1, 2008
Fixing device and image forming apparatus for holding a recording medium by electrostatic force
RICOH KK20 citations92
US5869213AFeb 9, 1999
Multicolor image forming method preventing contamination of toner on an image carrier with toner on a developing carrier
RICOH KK23 citations92
US5809386ASep 15, 1998
Developing device for an image forming apparatus
RICOH KK40 citations92
US5741616AApr 21, 1998
Method of developing latent electrostatic images and developer-bearing member
RICOH KK51 citations92
US5674408AOct 7, 1997
Developer carrier capable of forming microfields thereon and method of producing the same
RICOH KK22 citations92
US5541029AJul 30, 1996
Multicolor image forming method preventing mixing of colors
RICOH KK38 citations92
US5474869ADec 12, 1995
Toner and method of developing
RICOH KK43 citations92
US5451713ASep 19, 1995
Developing apparatus using a developer carrier capable of forming microfields
RICOH KK30 citations92
US5450172ASep 12, 1995
Nondestructive multicolor image forming apparatus
RICOH KK20 citations92
US5315061AMay 24, 1994
Developing apparatus using a developer carrier capable of forming microfields
RICOH KK25 citations92
US5286918AFeb 15, 1994
Developing apparatus using a developer carrier capable of forming microfields on the surface thereof
RICOH KK36 citations92
US5239344AAug 24, 1993
Developing roller having insulating and conductive areas
RICOH KK44 citations92
US5220383AJun 15, 1993
Developing device for an image forming apparatus having a large number of microfields formed on a developer carrier
RICOH KK50 citations92
US5172169ADec 15, 1992
Developer carrier of a developing device and a method of producing the same
RICOH KK37 citations92
US7590376B2Sep 15, 2009
Fixing method, a fixing apparatus, an image formation method, and an image formation apparatus
RICOH KK11 citations84
US7356298B2Apr 8, 2008
Image fixing apparatus using pulsating power for heating
RICOH KK9 citations84
US7046949B2May 16, 2006
Image fixing apparatus using pulsating power for heating
RICOH KK13 citations84
US7003251B2Feb 21, 2006
Image forming method having transfer temperature difference and apparatus for the same
RICOH KK12 citations84
US6983117B2Jan 3, 2006
Image forming apparatus configured for double sided printing
RICOH KK12 citations84
US5557392ASep 17, 1996
Multicolor image forming apparatus with pulse voltage and DC voltage applied to a developing unit
RICOH KK17 citations74
US5241357AAug 31, 1993
Color image forming equipment with two developers and a pulse bias
RICOH KK18 citations74
US7309553B2Dec 18, 2007
Oilless toner
RICOH KK3 citations63
US7295795B2Nov 13, 2007
Image forming apparatus and an impurity collecting device associated with registration rollers
RICOH KK4 citations63
US7197269B2Mar 27, 2007
Method, system and apparatus for transferring toner images to both sides of a recording medium
RICOH KK5 citations63
US6941099B2Sep 6, 2005
Developing device having plurality of biased magnetic sleeves
RICOH KK2 citations63
TOYOTA MOTOR CO LTD
4 patentsUS12334749B2Jun 17, 2025
Power transmitting coil unit
TOYOTA MOTOR CO LTD0 citations61
US12278499B2Apr 15, 2025
Noncontact power supply device
TOYOTA MOTOR CO LTD0 citations61
US10535454B2Jan 14, 2020
Compressed powder core, powders for compressed power core, and method for producing compressed powder core
TOYOTA MOTOR CO LTD1 citations59
US10497500B2Dec 3, 2019
Powder magnetic core, powder for magnetic cores, and methods of manufacturing them
TOYOTA MOTOR CO LTD0 citations50
DENSO CORP
3 patentsUS11272421B2Mar 8, 2022
Data transfer path calculation device and data transfer terminal
DENSO CORP4 citations73
US12531937B2Jan 20, 2026
Communication apparatus, method, and program
DENSO CORP0 citations52
US11457000B2Sep 27, 2022
Information intermediating apparatus, information providing apparatus, and information acquiring apparatus
DENSO CORP0 citations49
SONY GROUP CORP
2 patentsUS12333136B2Jun 17, 2025
Information processing device, information processing method, and information processing program
SONY GROUP CORP0 citations60
US12597402B2Apr 7, 2026
Information processing device, information processing method, and program for application window having first display mode and second display mode
SONY GROUP CORP0 citations49