Inventor
TSUJI RYUICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “TSUJI RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
6 patentsUS6494559B1Dec 17, 2002
Ink-jet recorder, semiconductor device, and recording head device
SEIKO EPSON CORP54 citations94
US6862652B1Mar 1, 2005
Recording apparatus, semiconductor device, and recording head device
SEIKO EPSON CORP40 citations91
US7093927B2Aug 22, 2006
Ink jet recording apparatus semiconductor device and recording head apparatus
SEIKO EPSON CORP11 citations82
US8356129B2Jan 15, 2013
Request arbitration apparatus and request arbitration method
SEIKO EPSON CORP2 citations61
US7396115B2Jul 8, 2008
Ink jet apparatus, recording head apparatus, and semiconductor device with data relating to usage of recording head apparatus
SEIKO EPSON CORP4 citations61
US12090770B2Sep 17, 2024
Printing apparatus
SEIKO EPSON CORP0 citations50