Inventor
OISHI YASUHIRO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “OISHI YASUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KYOCERA DOCUMENT SOLUTIONS INC
10 patentsUS9158227B1Oct 13, 2015
Developing roller and developing apparatus and image forming apparatus using the same
KYOCERA DOCUMENT SOLUTIONS INC4 citations72
US9274453B2Mar 1, 2016
Developing roller, developing device, and image forming apparatus including developing device
KYOCERA DOCUMENT SOLUTIONS INC2 citations62
US9304445B2Apr 5, 2016
Developing roller, developing device, image forming apparatus, and manufacturing method of developing roller
KYOCERA DOCUMENT SOLUTIONS INC0 citations51
US9122193B2Sep 1, 2015
Developing roller, developing device, and image forming apparatus including developing device
KYOCERA DOCUMENT SOLUTIONS INC0 citations51
US9122194B2Sep 1, 2015
Developing roller, developing device, and image forming apparatus including developing device
KYOCERA DOCUMENT SOLUTIONS INC0 citations51
US12468255B2Nov 11, 2025
Electrophotographic photosensitive member, process cartridge, and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations50
US10007199B2Jun 26, 2018
Single-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC1 citations50
US9298126B2Mar 29, 2016
Developing device and image forming apparatus including the same
KYOCERA DOCUMENT SOLUTIONS INC0 citations41
US9285713B2Mar 15, 2016
Developing device, and image forming apparatus provided with the same
KYOCERA DOCUMENT SOLUTIONS INC0 citations41
US9201349B2Dec 1, 2015
Developing device, image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations41