Inventor

IEIRI YUJI

JP12 patents

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

IEIRI YUJI

6 patents

US10996606B2May 4, 2021

Remaining toner amount detecting apparatus, image forming apparatus, and remaining toner amount detecting method

IEIRI YUJI2 citations70

US9162443B2Oct 20, 2015

Ink jet recording device and short circuit protection method for ink jet recording device

IEIRI YUJI2 citations59

US9054545B2Jun 9, 2015

Power supply control device and image forming apparatus

IEIRI YUJI2 citations59

US8814302B2Aug 26, 2014

Defective nozzle detector and image forming apparatus and system

IEIRI YUJI2 citations59

US8764143B2Jul 1, 2014

Image forming apparatus and drive-voltage generating circuit

IEIRI YUJI2 citations59

US12105440B2Oct 1, 2024

Image forming apparatus, image forming method, and non-transitory recording medium

IEIRI YUJI0 citations49

RICOH KK

2 patents

US7789475B2Sep 7, 2010

Image forming apparatus

RICOH KK10 citations82

US7819492B2Oct 26, 2010

Image processing apparatus, image processing method and computer-readable recording medium of image processing method

RICOH KK4 citations61

TOMURA YUUSUKE

1 patent

US11126111B2Sep 21, 2021

Toner amount detector, toner amount detection method, and non-transitory storage medium storing program

TOMURA YUUSUKE0 citations49

HOMMI MASASHI

1 patent

US10859973B2Dec 8, 2020

Image forming apparatus, image forming method, and recording medium

HOMMI MASASHI0 citations45

HARA TETSUYA

1 patent

US10775729B2Sep 15, 2020

Remaining toner amount detecting apparatus, remaining toner amount detecting method, and recording medium

HARA TETSUYA0 citations44

YAMAHORI SHUNTA

1 patent

US12353161B2Jul 8, 2025

Image forming apparatus, fault sensing method, and non-transitory computer-readable recording medium storing fault sensing program

YAMAHORI SHUNTA0 citations40