Inventor
MATSUOKA SONOH
JP11 patents
⚠️ This page may combine multiple inventors who share the name “MATSUOKA SONOH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
8 patentsUS7459255B2Dec 2, 2008
Toner and developer, toner container, process cartridge, image-forming apparatus, and image-forming method using the same
RICOH KK31 citations92
US7455942B2Nov 25, 2008
Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method using the same
RICOH KK41 citations92
US7449273B2Nov 11, 2008
Toner containing unsaturated polyester in binder resin, method for preparing the toner, and developer including the toner
RICOH KK31 citations92
US7374848B2May 20, 2008
Toner and method or preparing the toner
RICOH KK19 citations92
US7348117B2Mar 25, 2008
Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner
RICOH KK27 citations92
US7348121B2Mar 25, 2008
Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner
RICOH KK23 citations92
US7368213B2May 6, 2008
Toner and fixing device and image forming device using the same
RICOH KK17 citations84
US7608373B2Oct 27, 2009
Toner for developing electrostatic latent image, developer using the toner, and process cartridge, image forming apparatus and image forming method using the developer
RICOH KK0 citations52
RICOH CO LTD
3 patentsUS8007977B2Aug 30, 2011
Toner and image forming method using the toner
RICOH CO LTD6 citations74
US8034524B2Oct 11, 2011
Toner and image forming method using the toner
RICOH CO LTD3 citations63
US7932007B2Apr 26, 2011
Toner and method for producing the same, and image-forming method using the same
RICOH CO LTD2 citations63