Inventor
HIRAYAMA RYOICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “HIRAYAMA RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
5 patentsUS10897549B2Jan 19, 2021
Medium transport apparatus, image reading apparatus, and transport control method
SEIKO EPSON CORP2 citations72
US11582354B2Feb 14, 2023
Image reading and control device, and method, for document region extraction based on edge candidate and dirt position
SEIKO EPSON CORP3 citations71
US11122167B2Sep 14, 2021
Image reading apparatus, storage medium storing abnormality determination program, and abnormality determination method
SEIKO EPSON CORP1 citations62
US10988335B2Apr 27, 2021
Transporting apparatus, program, and control method of transporting apparatus
SEIKO EPSON CORP0 citations60
US10880449B2Dec 29, 2020
Image reading apparatus and image reading method
SEIKO EPSON CORP0 citations39