Inventor

MATSUYAMA KOYA

JP2 patents

Patents

2 patents

US11716431B2Aug 1, 2023

Image reading device

SEIKO EPSON CORP2 citations67

US11523005B2Dec 6, 2022

Image reading apparatus and multi-sheet feed detection method with detection based on rise of driving voltage and change amount of received ultrasonic wave

SEIKO EPSON CORP2 citations67