Inventor
TSUKADA KENJI
JP56 patents
⚠️ This page may combine multiple inventors who share the name “TSUKADA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
35 patentsUS6536861B1Mar 25, 2003
Liquid container having liquid consumption detecting device
SEIKO EPSON CORP98 citations99
US6470744B1Oct 29, 2002
Liquid detecting piezoelectric device, liquid container and mounting module member
SEIKO EPSON CORP111 citations99
US6799820B1Oct 5, 2004
Liquid container having a liquid detecting device
SEIKO EPSON CORP63 citations97
US7267000B1Sep 11, 2007
Liquid consumption status detecting method, liquid container, and ink cartridge
SEIKO EPSON CORP30 citations96
US7188520B2Mar 13, 2007
Liquid consumption status detecting method, liquid container, and ink cartridge
SEIKO EPSON CORP21 citations96
US7175244B2Feb 13, 2007
Liquid container having liquid consumption detecting device
SEIKO EPSON CORP36 citations96
US6745626B2Jun 8, 2004
Liquid detecting piezoelectric device, liquid container and mounting module member
SEIKO EPSON CORP46 citations96
US6431674B2Aug 13, 2002
Ink-jet recording head that minutely vibrates ink meniscus
SEIKO EPSON CORP61 citations95
US7306308B2Dec 11, 2007
Liquid container, ink jet recording apparatus, apparatus and method for controlling the same, apparatus and method for detecting liquid consumption state
SEIKO EPSON CORP27 citations93
US7281776B2Oct 16, 2007
Liquid container having liquid consumption detecing device
SEIKO EPSON CORP12 citations93
US6802602B2Oct 12, 2004
Ink cartridge and ink jet record apparatus using ink cartridge
SEIKO EPSON CORP47 citations93
US6729184B2May 4, 2004
Detector of liquid consumption condition
SEIKO EPSON CORP40 citations93
US6540322B2Apr 1, 2003
Ink jet recording apparatus and ink suction method of the recording head
SEIKO EPSON CORP33 citations93
US6312092B1Nov 6, 2001
Ink jet recording apparatus and ink suction method of the recording head
SEIKO EPSON CORP26 citations93
US7547097B2Jun 16, 2009
Liquid ejection apparatus and liquid filling method of liquid ejection apparatus
SEIKO EPSON CORP14 citations84
US7225670B2Jun 5, 2007
Mounting structure, module, and liquid container
SEIKO EPSON CORP12 citations84
US7156506B2Jan 2, 2007
Liquid charging method, liquid container, and method for manufacturing the same
SEIKO EPSON CORP11 citations84
US6793305B2Sep 21, 2004
Method and apparatus for detecting consumption of ink
SEIKO EPSON CORP13 citations84
US7383727B2Jun 10, 2008
Liquid cotainer having a liquid consumption detecting device therein
SEIKO EPSON CORP8 citations82
US7325450B2Feb 5, 2008
Liquid consumption status detecting method, liquid container, and ink cartridge
SEIKO EPSON CORP7 citations82
US7434462B2Oct 14, 2008
Liquid consumption status detecting method, liquid container, and ink cartridge
SEIKO EPSON CORP6 citations74
US7251996B2Aug 7, 2007
Liquid detecting piezoelectric device, liquid container and mounting module member
SEIKO EPSON CORP6 citations74
US7137679B2Nov 21, 2006
Ink consumption detecting method, and ink jet recording apparatus
SEIKO EPSON CORP8 citations74
US7008034B2Mar 7, 2006
Liquid container, ink-jet recording apparatus, device and method for controlling the apparatus, liquid consumption sensing device and method
SEIKO EPSON CORP10 citations74
US6921160B2Jul 26, 2005
Piezo-electric device and ink cartridge having the same
SEIKO EPSON CORP10 citations74
US6203132B1Mar 20, 2001
Ink jet recording apparatus
SEIKO EPSON CORP10 citations74
US6019464AFeb 1, 2000
Ink jet recording head
SEIKO EPSON CORP13 citations74
US11179947B2Nov 23, 2021
Liquid ejecting apparatus and method of controlling liquid ejecting apparatus
SEIKO EPSON CORP2 citations70
US11230095B2Jan 25, 2022
Method of controlling liquid ejection apparatus and liquid ejection apparatus
SEIKO EPSON CORP0 citations63
US7971945B2Jul 5, 2011
Ink consumption detecting method, and ink jet recording apparatus
SEIKO EPSON CORP6 citations63
US7878609B2Feb 1, 2011
Mounting structure, module, and liquid container
SEIKO EPSON CORP4 citations63
US7798620B2Sep 21, 2010
Method of manufacturing a liquid container
SEIKO EPSON CORP3 citations63
US7175254B2Feb 13, 2007
Liquid ejecting apparatus and method for cleaning the same
SEIKO EPSON CORP2 citations63
US7086281B2Aug 8, 2006
Detector of liquid consumption condition
SEIKO EPSON CORP4 citations63
US11528383B2Dec 13, 2022
Liquid jet device and billing method thereof
SEIKO EPSON CORP0 citations49
FUJI CORP
12 patentsUS11849545B2Dec 19, 2023
Circuit formation method
FUJI CORP2 citations73
US11570900B2Jan 31, 2023
Circuit forming method
FUJI CORP2 citations73
US10667403B2May 26, 2020
Manufacturing apparatus for performing additive manufacturing of an electrical device
FUJI CORP3 citations72
US12369259B2Jul 22, 2025
Circuit forming method
FUJI CORP0 citations62
US11470724B2Oct 11, 2022
Manufacturing apparatus for performing additive manufacturing of an electrical device
FUJI CORP0 citations62
US10462909B2Oct 29, 2019
Wiring board manufacturing method and wiring board manufacturing device
FUJI CORP1 citations62
US11439025B2Sep 6, 2022
Method for forming circuit
FUJI CORP0 citations60
US10933589B2Mar 2, 2021
Data conversion device and lamination shaping system
FUJI CORP0 citations60
US12250778B2Mar 11, 2025
Circuit board manufacturing method and circuit board manufacturing device
FUJI CORP0 citations52
US10212823B2Feb 19, 2019
Wiring forming method and circuit board
FUJI CORP0 citations51
US12594716B2Apr 7, 2026
Shaping method and shaping device
FUJI CORP0 citations49
US12550268B2Feb 10, 2026
Method for manufacturing circuit wiring by three-dimensional additive manufacturing
FUJI CORP0 citations49
KODAMA SEIGO
1 patentSUZUKI MASATO
1 patentTSUKADA KENJI
1 patentShowing the top 50 of 56 patents by PatentIndex Score.