Inventor

OHHIRA TATSUYA

JP9 patents

⚠️ This page may combine multiple inventors who share the name “OHHIRA TATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OHHIRA TATSUYA

5 patents

US10895827B2Jan 19, 2021

Developer conveyor having three blades

OHHIRA TATSUYA0 citations59

US11163246B2Nov 2, 2021

Developing device including a conveyor with a space between blades and image forming apparatus including same

OHHIRA TATSUYA0 citations49

US9864297B2Jan 9, 2018

Developing device and image forming apparatus and process cartridge incorporating same

OHHIRA TATSUYA0 citations39

US10168642B2Jan 1, 2019

Developing device and image forming apparatus and process cartridge incorporating same

OHHIRA TATSUYA0 citations38

US10114334B2Oct 30, 2018

Developing device with casing having upper and lower compartments

OHHIRA TATSUYA0 citations38

ADACHI TAKAHIRO

1 patent

US11048189B2Jun 29, 2021

Toner container, toner supply device, and image forming apparatus including a sheet member with two portions to move toner

ADACHI TAKAHIRO0 citations50

SAITO OSAMU

1 patent

US12461470B2Nov 4, 2025

Developing device, process cartridge, and image forming apparatus including a holder which has projections within a hole accomodating a developer regulator or a developing roller

SAITO OSAMU0 citations49

INOUE YUMI

1 patent

US12498652B2Dec 16, 2025

Developing device, process cartridge, and image forming apparatus

INOUE YUMI0 citations42

TSUCHIYA Yuuki

1 patent

US10209645B2Feb 19, 2019

Vertical biaxial developing device and image forming apparatus and process cartridge incorporating same

TSUCHIYA Yuuki0 citations34