Inventor
KOSUGI YASUHIKO
JP64 patents
⚠️ This page may combine multiple inventors who share the name “KOSUGI YASUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
46 patentsUS6331040B1Dec 18, 2001
Method of driving ink jet recording head
SEIKO EPSON CORP56 citations96
US6431674B2Aug 13, 2002
Ink-jet recording head that minutely vibrates ink meniscus
SEIKO EPSON CORP61 citations95
US7267421B2Sep 11, 2007
Cartridge and printing apparatus
SEIKO EPSON CORP16 citations93
US7155972B2Jan 2, 2007
Expendables container capable of measuring residual amount of expendables
SEIKO EPSON CORP22 citations93
US7101012B2Sep 5, 2006
Cartridge, printing apparatus, and method of transmitting information to and from cartridge
SEIKO EPSON CORP15 citations93
US7008125B2Mar 7, 2006
Printing device
SEIKO EPSON CORP28 citations93
US6994415B2Feb 7, 2006
Cartridge and printing apparatus
SEIKO EPSON CORP28 citations93
US6585345B2Jul 1, 2003
Printing apparatus and ink cartridge therefor
SEIKO EPSON CORP47 citations93
US4860058AAug 22, 1989
Image forming apparatus
SEIKO EPSON CORP30 citations93
US6070959AJun 6, 2000
Recording method for use in ink jet type recording device and ink jet type recording device
SEIKO EPSON CORP30 citations92
US11872822B2Jan 16, 2024
Board, liquid accommodation container, and printing system
SEIKO EPSON CORP4 citations86
US11535038B1Dec 27, 2022
Board, liquid accommodation container, and printing system
SEIKO EPSON CORP8 citations86
US7201463B2Apr 10, 2007
Container for printing material and detector used for container
SEIKO EPSON CORP16 citations84
US7128408B2Oct 31, 2006
Printing apparatus and ink cartridge therefor
SEIKO EPSON CORP15 citations84
USD1050059SNov 5, 2024
Circuit board for computer printers
SEIKO EPSON CORP3 citations75
US7611214B2Nov 3, 2009
Liquid ejecting apparatus
SEIKO EPSON CORP6 citations74
US7213897B2May 8, 2007
Ink-jet printer
SEIKO EPSON CORP9 citations74
US6938978B2Sep 6, 2005
Container for printing fluid material
SEIKO EPSON CORP8 citations74
US6106113AAug 22, 2000
Ink jet recording method and ink jet recording apparatus
SEIKO EPSON CORP10 citations74
US5005043AApr 2, 1991
Image forming apparatus
SEIKO EPSON CORP10 citations74
US4945383AJul 31, 1990
Image forming apparatus
SEIKO EPSON CORP9 citations74
US11820150B2Nov 21, 2023
Device, board, liquid accommodation container, and printing system
SEIKO EPSON CORP2 citations73
US11535037B1Dec 27, 2022
Device, board, liquid accommodation container, and printing system
SEIKO EPSON CORP2 citations73
US10532578B2Jan 14, 2020
Printing apparatus
SEIKO EPSON CORP3 citations73
US8919900B2Dec 30, 2014
Printing apparatus
SEIKO EPSON CORP6 citations72
US12251931B2Mar 18, 2025
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations63
US12251939B2Mar 18, 2025
Board, liquid accommodation container, and printing system
SEIKO EPSON CORP0 citations63
US12246539B2Mar 11, 2025
Device, board, liquid accommodation container, and printing system
SEIKO EPSON CORP0 citations63
US12240247B2Mar 4, 2025
Device, board, liquid accommodation container, and printing system
SEIKO EPSON CORP0 citations63
US12240248B2Mar 4, 2025
Board, liquid accommodation container, and printing system
SEIKO EPSON CORP0 citations63
US12240249B2Mar 4, 2025
Board, liquid accommodation container, and printing system
SEIKO EPSON CORP0 citations63
US12233650B2Feb 25, 2025
Board, liquid accommodation container, and printing system
SEIKO EPSON CORP0 citations63
US9090079B2Jul 28, 2015
Printing apparatus and ink pack set
SEIKO EPSON CORP2 citations63
US8814295B2Aug 26, 2014
Printing apparatus
SEIKO EPSON CORP2 citations63
US7625060B2Dec 1, 2009
Cartridge, printing apparatus, and method of transmitting information to and from cartridge
SEIKO EPSON CORP2 citations63
US7370930B2May 13, 2008
Non-contact communication between device and cartridge containing consumable component
SEIKO EPSON CORP6 citations63
US7011384B2Mar 14, 2006
Container for printing material, technique of detecting information on printing material in container, and technique of allowing for transmission of information between container and printing device
SEIKO EPSON CORP2 citations63
US5760807AJun 2, 1998
Ink jet recording method and ink jet recording apparatus
SEIKO EPSON CORP5 citations63
US12558886B2Feb 24, 2026
Head unit and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US11059296B2Jul 13, 2021
Liquid container and liquid ejecting system
SEIKO EPSON CORP0 citations52
US10179461B2Jan 15, 2019
Printing apparatus
SEIKO EPSON CORP0 citations52
US9409408B2Aug 9, 2016
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US9061508B2Jun 23, 2015
Recording material delivery system for recording material-consuming apparatus; circuit board; structural body; and ink cartridge
SEIKO EPSON CORP0 citations52
US8038243B2Oct 18, 2011
Liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US7638992B2Dec 29, 2009
Drive power control device, liquid ejection apparatus, and drive power control method
SEIKO EPSON CORP1 citations52
US7530671B2May 12, 2009
Printing apparatus recovering mist-like ink droplets
SEIKO EPSON CORP1 citations52
YOSHIKAWA RF SYSTEMS CO LTD
1 patentISHIZAWA TAKU
1 patentNAKANO SHUICHI
1 patentYAMADA SHINICHI
1 patentShowing the top 50 of 64 patents by PatentIndex Score.