Inventor
HARADA KAZUMASA
JP57 patents
⚠️ This page may combine multiple inventors who share the name “HARADA KAZUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
28 patentsUS10214018B2Feb 26, 2019
Cartridge and printing material supply system
SEIKO EPSON CORP53 citations98
US7008053B2Mar 7, 2006
Ink cartridge and recording apparatus
SEIKO EPSON CORP78 citations98
US6979079B2Dec 27, 2005
Ink cartridge and recording apparatus
SEIKO EPSON CORP49 citations96
US7802877B2Sep 28, 2010
Ink cartridge and recording apparatus
SEIKO EPSON CORP13 citations92
US7686441B2Mar 30, 2010
Ink cartridge and recording apparatus
SEIKO EPSON CORP30 citations92
US7438401B2Oct 21, 2008
Inkjet recording apparatus and ink cartridge
SEIKO EPSON CORP20 citations92
US7244018B2Jul 17, 2007
Ink cartridge having retaining structure and memory
SEIKO EPSON CORP29 citations92
US7150520B2Dec 19, 2006
Printing apparatus and ink cartridge therefor
SEIKO EPSON CORP14 citations92
US7018027B2Mar 28, 2006
Inkjet recording apparatus and ink cartridge
SEIKO EPSON CORP40 citations92
US9321272B2Apr 26, 2016
Liquid supply unit mounting mechanism and liquid supply unit
SEIKO EPSON CORP3 citations84
US9248656B2Feb 2, 2016
Cartridge and printing material supply system
SEIKO EPSON CORP7 citations84
US9039154B2May 26, 2015
Cartridge and printing material supply system
SEIKO EPSON CORP4 citations84
US8974044B2Mar 10, 2015
Cartridge and printing material supply system
SEIKO EPSON CORP7 citations84
US7830564B2Nov 9, 2010
Method of obtaining correction value of optical sensor and recording apparatus
SEIKO EPSON CORP14 citations84
US7669993B2Mar 2, 2010
Ink cartridge and recording apparatus
SEIKO EPSON CORP8 citations84
US7240990B2Jul 10, 2007
Ink cartridge
SEIKO EPSON CORP14 citations84
US7452063B2Nov 18, 2008
Inkjet recording apparatus and ink cartridge
SEIKO EPSON CORP7 citations74
US7237883B2Jul 3, 2007
Ink cartridge having positioning structure and recording apparatus for receiving the ink cartridge
SEIKO EPSON CORP7 citations74
US9039153B2May 26, 2015
Printing apparatus and printing material supply system
SEIKO EPSON CORP4 citations73
US8915582B2Dec 23, 2014
Cartridge and printing material supply system
SEIKO EPSON CORP5 citations73
US7553005B2Jun 30, 2009
Printing apparatus and ink cartridge therefor
SEIKO EPSON CORP2 citations63
US8820869B2Sep 2, 2014
Recording device
SEIKO EPSON CORP2 citations62
US7690784B2Apr 6, 2010
Platen and liquid ejecting apparatus
SEIKO EPSON CORP2 citations62
US9950537B2Apr 24, 2018
Cartridge and printing material supply system
SEIKO EPSON CORP0 citations52
US9403384B2Aug 2, 2016
Recording apparatus
SEIKO EPSON CORP0 citations52
US8899725B2Dec 2, 2014
Recording apparatus
SEIKO EPSON CORP1 citations52
US7654659B2Feb 2, 2010
Carriage and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US12028488B2Jul 2, 2024
Recording device and control method to perform maintenance, transport correction, or discharge correction based upon a captured image
SEIKO EPSON CORP0 citations51
FUJI PHOTO FILM CO LTD
9 patentsUS4614019ASep 30, 1986
Film loading method and apparatus
FUJI PHOTO FILM CO LTD42 citations92
US4656737AApr 14, 1987
Film loading apparatus
FUJI PHOTO FILM CO LTD17 citations82
US4346852AAug 31, 1982
Web winding device
FUJI PHOTO FILM CO LTD12 citations74
US4891089AJan 2, 1990
Apparatus for adhering ribbons to cartridge shell plate
FUJI PHOTO FILM CO LTD9 citations73
US4862579ASep 5, 1989
Apparatus for adhering ribbons to cartridge shell plate
FUJI PHOTO FILM CO LTD6 citations73
US6705979B1Mar 16, 2004
Method of and apparatus for machining web-shaped workpiece and apparatus for processing scrap
FUJI PHOTO FILM CO LTD10 citations72
US6027436AFeb 22, 2000
Method of and apparatus for machining web-shaped workpiece and apparatus for processing scrap
FUJI PHOTO FILM CO LTD9 citations72
US5003751AApr 2, 1991
Packaging system
FUJI PHOTO FILM CO LTD3 citations63
US6286356B1Sep 11, 2001
Method of and apparatus for machining web-shaped workpiece and apparatus for processing scrap
FUJI PHOTO FILM CO LTD4 citations61
KODAMA HIDETOSHI
5 patentsUS8297738B1Oct 30, 2012
Cartridge and printing material supply system
KODAMA HIDETOSHI88 citations99
US8439482B1May 14, 2013
Cartridge and printing material supply system
KODAMA HIDETOSHI27 citations96
US8297739B1Oct 30, 2012
Cartridge and printing material supply system
KODAMA HIDETOSHI56 citations94
US8721045B2May 13, 2014
Cartridge and printing material supply system
KODAMA HIDETOSHI6 citations84
US8708469B2Apr 29, 2014
Cartridge and printing material supply system
KODAMA HIDETOSHI10 citations84
NOZAWA IZUMI
2 patentsNAKAMURA KAZUHISA
2 patentsTOYOTA MOTOR CO LTD
2 patentsMITSUBISHI ELECTRIC CORP
1 patentSHINADA SATOSHI
1 patentShowing the top 50 of 57 patents by PatentIndex Score.