Inventor
HAGIWARA HIROYUKI
JP102 patents
⚠️ This page may combine multiple inventors who share the name “HAGIWARA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
16 patentsUS11331919B2May 17, 2022
Liquid discharging apparatus and support body
SEIKO EPSON CORP2 citations73
US10076913B2Sep 18, 2018
Liquid ejecting apparatus and liquid filling method and control method for the same
SEIKO EPSON CORP3 citations73
US9333754B2May 10, 2016
Liquid ejecting apparatus and control method thereof
SEIKO EPSON CORP6 citations73
US11433671B2Sep 6, 2022
Liquid ejecting head unit
SEIKO EPSON CORP2 citations72
US10464344B2Nov 5, 2019
Liquid ejecting head and method for manufacturing liquid ejecting head unit
SEIKO EPSON CORP4 citations72
US11312138B2Apr 26, 2022
Liquid ejecting unit, liquid ejecting head, support body for liquid ejecting head
SEIKO EPSON CORP0 citations63
US11273633B2Mar 15, 2022
Liquid discharge apparatus
SEIKO EPSON CORP1 citations63
US9193162B2Nov 24, 2015
Liquid ejecting head and liquid ejecting apparatus with a rib which divides the flow of the liquid inside the manifold in two
SEIKO EPSON CORP2 citations63
US9073334B2Jul 7, 2015
Liquid ejecting head module and liquid ejecting apparatus
SEIKO EPSON CORP2 citations63
US7946694B2May 24, 2011
Liquid ejecting apparatus
SEIKO EPSON CORP6 citations63
US11318743B2May 3, 2022
Liquid ejecting head unhand liquid ejecting apparatus
SEIKO EPSON CORP0 citations62
US11155096B2Oct 26, 2021
Liquid ejecting unit and liquid ejecting apparatus
SEIKO EPSON CORP0 citations62
US9174437B2Nov 3, 2015
Liquid ejecting apparatus
SEIKO EPSON CORP2 citations62
US12515454B2Jan 6, 2026
Liquid ejecting head, liquid ejecting head unit, and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US12251942B2Mar 18, 2025
Liquid ejecting apparatus and liquid ejecting method
SEIKO EPSON CORP0 citations52
US11738571B2Aug 29, 2023
Liquid discharge apparatus
SEIKO EPSON CORP0 citations52
CANON KK
13 patentsUS5731829AMar 24, 1998
Information processing and recording apparatus with two recording medium conveyance routes
CANON KK127 citations98
US6120127ASep 19, 2000
Recording apparatus with ink tank movable relative to recording head
CANON KK59 citations96
US6631047B2Oct 7, 2003
Interference device, position detecting device, positioning device and information recording apparatus using the same
CANON KK19 citations92
US6249295B1Jun 19, 2001
Recording apparatus with self-standing recording unit and sheet supplying apparatus
CANON KK17 citations84
US5930066AJul 27, 1999
Information recording apparatus
CANON KK19 citations84
US6704272B1Mar 9, 2004
Spindle rotation driving device with aligning member and air bearings for rotating information storage disks
CANON KK11 citations74
US5132850AJul 21, 1992
Lens actuator
CANON KK9 citations74
US6643907B2Nov 11, 2003
Medium fixing method and medium support apparatus
CANON KK6 citations72
US6557234B1May 6, 2003
Medium fixing method and medium support apparatus
CANON KK7 citations72
US7089573B2Aug 8, 2006
Information recording/reading apparatus
CANON KK2 citations63
US6684707B2Feb 3, 2004
Vibration measuring method, balance correcting method, and information recording and/or reproducing apparatus
CANON KK4 citations63
US6552867B1Apr 22, 2003
Head positioning controller for information recording and/or reproducing apparatus with head tracking of nonsynchronous radial runout (NRRO) of the disk
CANON KK6 citations63
US5111339AMay 5, 1992
Lens actuator
CANON KK5 citations63
HAGIWARA HIROYUKI
4 patentsUS8434852B2May 7, 2013
Liquid ejecting head unit and liquid ejecting apparatus
HAGIWARA HIROYUKI4 citations63
US8191991B2Jun 5, 2012
Liquid ejecting head unit and liquid ejecting apparatus
HAGIWARA HIROYUKI2 citations63
US8172379B2May 8, 2012
Liquid ejecting head unit and method of manufacturing the same
HAGIWARA HIROYUKI3 citations63
US8500245B2Aug 6, 2013
Liquid ejecting head unit and manufacturing method thereof
HAGIWARA HIROYUKI2 citations62
HITACHI CHEMICAL CO LTD
3 patentsUS6197408B1Mar 6, 2001
Electromagnetically shielding bonding film, and shielding assembly and display device using such film
HITACHI CHEMICAL CO LTD55 citations95
US6086979AJul 11, 2000
Electromagnetically shielding bonding film, and shielding assembly and display device using such film
HITACHI CHEMICAL CO LTD47 citations95
US4985471AJan 15, 1991
Radiation curable pressure sensitive adhesive composition
HITACHI CHEMICAL CO LTD26 citations92
SEMICONDUCTOR TECH ACAD RES CT
2 patentsUS7227482B2Jun 5, 2007
Complex band-pass filter for use in digital radio receiver and complex band-pass Δ-Σ AD modulator using the same
SEMICONDUCTOR TECH ACAD RES CT17 citations82
US7095350B2Aug 22, 2006
DA converter circuit provided with DA converter of segment switched capacitor type
SEMICONDUCTOR TECH ACAD RES CT7 citations73
SAMSUNG ELECTRONICS CO LTD
2 patentsHITACHI METALS LTD
2 patentsTOSHIBA KK
1 patentISHII HIROYUKI
1 patentAGENCY IND SCIENCE TECHN
1 patentTAMRON KK
1 patentSATO MASAHIKO
1 patentFUJIFILM BUSINESS INNOVATION CORP
1 patentUNIV GUNMA NAT UNIV CORP
1 patentMITSUI CHEMICALS AGRO INC
1 patentShowing the top 50 of 102 patents by PatentIndex Score.