Inventor
SATO YOHEI
JP70 patents
⚠️ This page may combine multiple inventors who share the name “SATO YOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
24 patentsUS5583549ADec 10, 1996
Liquid storing container for recording apparatus
CANON KK132 citations99
US6170939B1Jan 9, 2001
Liquid storing container for recording apparatus
CANON KK148 citations98
US5801737ASep 1, 1998
Ink container with internal air pressure adjustment
CANON KK132 citations98
US5608437AMar 4, 1997
Ink container and ink jet recording apparatus using same
CANON KK124 citations98
US5781213AJul 14, 1998
Liquid storing container having filter interface for recording apparatus
CANON KK76 citations96
US5589862ADec 31, 1996
Liquid storing container for recording apparatus
CANON KK66 citations96
US5500663AMar 19, 1996
Recording ink container with an air vent valve
CANON KK88 citations96
US5430471AJul 4, 1995
Liquid container, recording head using same and recording apparatus using same
CANON KK72 citations96
USD348480SJul 5, 1994
Ink cartridge for printer
CANON KK57 citations96
USD348479SJul 5, 1994
Ink cartridge for printer
CANON KK60 citations96
USD338232SAug 10, 1993
Ink cartridge for printer
CANON KK76 citations96
US6325498B1Dec 4, 2001
Ink tank with ink absorbing member
CANON KK19 citations93
US6109742AAug 29, 2000
Ink tank, head cartridge and ink jet printing apparatus
CANON KK17 citations93
US5652610AJul 29, 1997
Ink tank, ink tank-integrated head cartridge having the tank and ink head constructed integrally, and ink jet printing apparatus having the ink tank or head cartridge
CANON KK53 citations93
US7722917B2May 25, 2010
Method of manufacturing ink jet head and apparatus using sealants
CANON KK14 citations84
US6224200B1May 1, 2001
Ink tank with ink absorbing member having particular holes or slits
CANON KK12 citations82
US6174053B1Jan 16, 2001
Ink tank, head cartridge and ink jet printing apparatus
CANON KK12 citations82
USD352058SNov 1, 1994
Printing head body for printer
CANON KK10 citations74
US11451690B2Sep 20, 2022
Cleaning apparatus and cleaning method for an image sensor
CANON KK3 citations73
US6406135B1Jun 18, 2002
Ink jet recording head and recording apparatus using the same
CANON KK9 citations73
US6227645B1May 8, 2001
Liquid jet recording head and assembling method therefor
CANON KK8 citations73
US11344921B2May 31, 2022
Cleaning apparatus and cleaning method
CANON KK2 citations71
US7732228B2Jun 8, 2010
Method for manufacturing printing head
CANON KK3 citations63
US8034399B2Oct 11, 2011
Method of manufacturing ink jet head and apparatus using sealants
CANON KK2 citations62
KONICA MINOLTA INC
4 patentsUS11420440B2Aug 23, 2022
Inkjet head and method for producing same
KONICA MINOLTA INC0 citations62
US12304203B2May 20, 2025
Inkjet head, and method for producing inkjet head
KONICA MINOLTA INC0 citations61
US11772379B2Oct 3, 2023
Inkjet head, inkjet image forming apparatus, nozzle plate manufacturing method, and inkjet head manufacturing method
KONICA MINOLTA INC0 citations60
US11504967B2Nov 22, 2022
Method of manufacturing nozzle plate, and inkjet head
KONICA MINOLTA INC0 citations60
TDK CORP
3 patentsTOSHIBA MEMORY CORP
2 patentsMITSUBISHI CHEM CORP
2 patentsTOSHIBA KK
2 patentsKYOCERA CORP
2 patentsJI LINAN
1 patentHITACHI AUTOMATIVE SYSTEMS LTD
1 patentOTSUKA YUKINORI
1 patentNAT UNIV CORP HAMAMATSU
1 patentTOKYO ELECTRON LTD
1 patentNIPPON SEIKI CO LTD
1 patentHAYASHI HIDEKAZU
1 patentMORINAGA MILK INDUSTRY CO LTD
1 patentSATO YOHEI
1 patentUNIV KEIO
1 patentSUMITOMO RUBBER IND
1 patentShowing the top 50 of 70 patents by PatentIndex Score.