Inventor
WAKAMATSU SHINICHI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “WAKAMATSU SHINICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
5 patentsUS7504188B2Mar 17, 2009
Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same
RICOH KK33 citations92
US7709174B2May 4, 2010
Toner, method of preparing the toner, and developer, image forming method, image forming apparatus, and process cartridge using the toner
RICOH KK5 citations63
US7695883B2Apr 13, 2010
Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same
RICOH KK3 citations62
US7820350B2Oct 26, 2010
Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method
RICOH KK1 citations52
US7666563B2Feb 23, 2010
Toner and developer using the toner
RICOH KK1 citations52
RICOH CO LTD
3 patentsUS7968265B2Jun 28, 2011
Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus
RICOH CO LTD2 citations63
US7947419B2May 24, 2011
Toner, developer, and image forming method
RICOH CO LTD2 citations63
US7989131B2Aug 2, 2011
Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container
RICOH CO LTD1 citations52