P

Inventor

YAGI SHINICHIRO

JP61 patents
⚠️ This page may combine multiple inventors who share the name “YAGI SHINICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

40 patents
US7702271B2Apr 20, 2010

Fixing device, and image forming apparatus using the fixing device

RICOH KK61 citations98
US7437111B2Oct 14, 2008

Fixing device, and image forming apparatus using the fixing device

RICOH KK73 citations98
US7374851B2May 20, 2008

Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method

RICOH KK67 citations98
US7056638B1Jun 6, 2006

Toner for electrophotography, developer using the same, process cartridge using the same, image-forming apparatus using the same, and image-forming process using the same

RICOH KK64 citations98
US6936390B2Aug 30, 2005

Toner, method of producing same and image forming device

RICOH KK93 citations98
US6852462B2Feb 8, 2005

Toner, method of forming the toner, and image forming method and apparatus using the toner

RICOH KK103 citations98
US6849369B2Feb 1, 2005

Toner for developing electrostatic image, method for manufacturing the toner, developer including the toner, container containing the toner, and developing method using the toner

RICOH KK91 citations98
US6787280B2Sep 7, 2004

Electrophotographic toner and method of producing same

RICOH KK102 citations98
US7129013B2Oct 31, 2006

Toner and developer for developing latent electrostatic images, and image forming apparatus

RICOH KK55 citations96
US7083890B2Aug 1, 2006

Toner and image forming apparatus using the toner

RICOH KK52 citations96
US7056636B2Jun 6, 2006

Dry toner, and process cartridge, image forming process and apparatus using the same

RICOH KK58 citations96
US6757507B2Jun 29, 2004

Image formation apparatus using a dry two-component developer for development

RICOH KK49 citations96
US7521164B2Apr 21, 2009

Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method

RICOH KK22 citations93
US7473508B2Jan 6, 2009

Toner, developer and image forming apparatus

RICOH KK21 citations93
US7429442B2Sep 30, 2008

Toner, and two component developer and image forming apparatus using the toner

RICOH KK27 citations93
US7157199B2Jan 2, 2007

Toner, developer including the toner, container containing the toner or the developer and method of producing the toner

RICOH KK32 citations93
US6947692B2Sep 20, 2005

Image forming method and apparatus

RICOH KK34 citations93
US6916587B2Jul 12, 2005

Toner, developer, and image forming method and apparatus

RICOH KK31 citations93
US6818370B2Nov 16, 2004

Toner for developing electrostatic latent image, toner cartridge containing the toner and image forming apparatus

RICOH KK43 citations93
US6733939B2May 11, 2004

Toner, developer and container for the developer, and method of and apparatus for forming an image

RICOH KK52 citations93
US7592116B2Sep 22, 2009

Indium-containing carrier for electrophotography, developer using the same, and developer container

RICOH KK19 citations92
US7527908B2May 5, 2009

Carrier, developer, developer container, image forming method and process cartridge

RICOH KK19 citations92
US7396630B2Jul 8, 2008

Toner, developer including the toner, and method for fixing toner image

RICOH KK14 citations92
US7303847B2Dec 4, 2007

Dry toner

RICOH KK20 citations92
US7157201B2Jan 2, 2007

Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the same

RICOH KK34 citations92
US7029816B2Apr 18, 2006

Electrographic image formation method

RICOH KK20 citations92
US6902857B2Jun 7, 2005

Method for forming electrophotographic image and electrographic device

RICOH KK48 citations92
US6902858B2Jun 7, 2005

Image formation apparatus using a dry two-component developer for development

RICOH KK21 citations92
US7381513B2Jun 3, 2008

Carrier, developer, image forming method and process cartridge for electrostatic image development

RICOH KK26 citations91
US5879849AMar 9, 1999

Developing device using one component developer

RICOH KK24 citations89
US7541128B2Jun 2, 2009

Toner, developer including the toner, and method for fixing toner image

RICOH KK9 citations84
US7435521B2Oct 14, 2008

Toner for developing electrostatic image

RICOH KK18 citations84
US7241545B2Jul 10, 2007

Toner, developer using the same, toner container using the same, process cartridge using the same, image-forming process using the same and image-forming apparatus using the same

RICOH KK13 citations84
US7217487B2May 15, 2007

Toner, developer using the same, toner container using the same, process cartridge using the same, image-forming process using the same and image-forming apparatus using the same

RICOH KK12 citations84
US7553598B2Jun 30, 2009

Electrophotographic carrier, developer, developer container, process cartridge, image forming apparatus and image forming method

RICOH KK17 citations82
US7563555B2Jul 21, 2009

Toner, developer including the toner, and method for fixing toner image

RICOH KK5 citations74
US7531281B2May 12, 2009

Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the same

RICOH KK5 citations74
US7323281B2Jan 29, 2008

Toner, developer including the toner, container containing the toner or the developer and method of producing the toner

RICOH KK6 citations74
US7736826B2Jun 15, 2010

Toner, developer and image forming apparatus

RICOH KK4 citations63
US7384720B2Jun 10, 2008

Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the same

RICOH KK4 citations63

SONY SEMICONDUCTOR SOLUTIONS CORP

5 patents

SHINETSU HANDOTAI KK

3 patents

RICOH CO LTD

1 patent

NAGAYAMA MASASHI

1 patent

Showing the top 50 of 61 patents by PatentIndex Score.