Inventor
SAKUWA TOHRU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “SAKUWA TOHRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
12 patentsUS6501521B2Dec 31, 2002
Transmission/reflection type color liquid crystal display device
SHARP KK133 citations97
US6885418B2Apr 26, 2005
Transmission/reflection type color liquid crystal display device
SHARP KK55 citations95
US7285158B2Oct 23, 2007
Recording agent, image forming device, and image forming method
SHARP KK11 citations82
US7934316B2May 3, 2011
Charging roller, process cartridge and image forming apparatus
SHARP KK4 citations61
US6639645B2Oct 28, 2003
Warp resistant liquid crystal display device
SHARP KK5 citations61
US7706703B2Apr 27, 2010
Changing the charging applied voltage control in an image forming apparatus based on an increase in the cumulative number of times of execution of image forming
SHARP KK2 citations60
US9778590B2Oct 3, 2017
Charging device, process cartridge, and image forming apparatus
SHARP KK1 citations51
US7869743B2Jan 11, 2011
Image forming apparatus, process cartridge used therein, and production method of charging roller
SHARP KK1 citations51
US11625000B2Apr 11, 2023
Process unit and image forming apparatus
SHARP KK0 citations50
US7894741B2Feb 22, 2011
Cleaning device which cleans a contact charging member that is disposed in contact with an image bearing member
SHARP KK1 citations50
US10146171B2Dec 4, 2018
Image forming apparatus capable of preventing waste toner from entering into processing unit
SHARP KK0 citations41
US7668484B2Feb 23, 2010
Charging roller and image forming apparatus incorporating same
SHARP KK0 citations40