Inventor
OGAWA YOSHIKO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA YOSHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
3 patentsUS7831182B2Nov 9, 2010
Developing device, image forming apparatus, and development error detecting method
RICOH KK7 citations72
US7791635B2Sep 7, 2010
Image forming apparatus and image forming method
RICOH KK2 citations62
US7697875B2Apr 13, 2010
Development device for developing an electrostatic latent image formed on an image carrying member into a visible image
RICOH KK2 citations62
RICOH CO LTD
3 patentsUS7885566B2Feb 8, 2011
Toner consumption-calculating apparatus, image forming apparatus, and toner consumption calculating method
RICOH CO LTD2 citations62
US8041241B2Oct 18, 2011
Image forming apparatus and image forming method which controls the exposing of an image carrier to change the exposure time period in the main scanning direction
RICOH CO LTD2 citations61
US8041238B2Oct 18, 2011
Image forming apparatus, image forming method, and computer program product
RICOH CO LTD0 citations50
OGAWA YOSHIKO
3 patentsUS9158228B2Oct 13, 2015
Development device and image forming apparatus incorporating same
OGAWA YOSHIKO2 citations59
US8965254B2Feb 24, 2015
Development device, and image forming apparatus and process cartridge incorporating same
OGAWA YOSHIKO1 citations48
US8588635B2Nov 19, 2013
Development device, process cartridge incorporating same, and image forming apparatus incorporating same
OGAWA YOSHIKO0 citations38
OSHIKAWA YUKI
2 patentsENDOU OSAMU
2 patentsUS9201336B2Dec 1, 2015
Developing device and image forming apparatus including a toner bearing member having a predetermined relationship with toner
ENDOU OSAMU0 citations35
US8929782B2Jan 6, 2015
Development device, and image forming apparatus and process cartridge incorporating same
ENDOU OSAMU0 citations35