Inventor
TSUCHIYA Yuuki
JP13 patents
⚠️ This page may combine multiple inventors who share the name “TSUCHIYA Yuuki”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
3 patentsUS11112731B2Sep 7, 2021
Developer container, developing device, and image forming apparatus
RICOH CO LTD0 citations61
US11256194B2Feb 22, 2022
Developing device, process cartridge, and image forming apparatus
RICOH CO LTD0 citations60
US11275325B2Mar 15, 2022
Image forming apparatus including a process cartridge that includes a developing device
RICOH CO LTD0 citations50
TSUCHIYA Yuuki
2 patentsUS11835887B2Dec 5, 2023
Developer accommodating device with screw including screw blade as rotator, developing device, process cartridge, and image forming apparatus
TSUCHIYA Yuuki0 citations56
US10209645B2Feb 19, 2019
Vertical biaxial developing device and image forming apparatus and process cartridge incorporating same
TSUCHIYA Yuuki0 citations34