Inventor
HAYAKAWA KAZUHIRO
JP41 patents
⚠️ This page may combine multiple inventors who share the name “HAYAKAWA KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
14 patentsUS7063799B2Jun 20, 2006
Ink jet recording head, manufacturing method therefor, and substrate for ink jet recording head manufacture
CANON KK29 citations92
US7517059B2Apr 14, 2009
Liquid jet head and method for producing the same
CANON KK12 citations84
US7517058B2Apr 14, 2009
Ink jet recording head having structural members in ink supply port
CANON KK7 citations74
US7452474B2Nov 18, 2008
Method of manufacturing substrate for ink jet recording head and method of manufacturing recording head using substrate manufactured by this method
CANON KK8 citations74
US7323115B2Jan 29, 2008
Substrate processing method and ink jet recording head substrate manufacturing method
CANON KK8 citations74
US7275813B2Oct 2, 2007
Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beams
CANON KK6 citations74
US8012773B2Sep 6, 2011
Method for manufacturing liquid discharge head
CANON KK2 citations63
US7998555B2Aug 16, 2011
Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beams
CANON KK1 citations63
US7926909B2Apr 19, 2011
Ink-jet recording head, method for manufacturing ink-jet recording head, and semiconductor device
CANON KK2 citations63
US7833608B2Nov 16, 2010
Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beams
CANON KK1 citations63
US7753495B2Jul 13, 2010
Ink jet recording head, manufacturing method therefor, and substrate for ink jet recording head manufacture
CANON KK4 citations63
US7637013B2Dec 29, 2009
Method of manufacturing ink jet recording head
CANON KK3 citations63
US7934810B2May 3, 2011
Ink jet recording head including beams dividing supply ports
CANON KK0 citations52
US8980110B2Mar 17, 2015
Method of manufacturing liquid ejection head and method of processing substrate
CANON KK0 citations42
SUBARU CORP
9 patentsUS12507039B2Dec 23, 2025
Vehicle
SUBARU CORP0 citations61
US12233894B2Feb 25, 2025
Occupant state detection system
SUBARU CORP0 citations51
US11989954B2May 21, 2024
Occupant state detection system
SUBARU CORP0 citations51
US11750775B2Sep 5, 2023
Occupant state detection system
SUBARU CORP0 citations51
US12587810B2Mar 24, 2026
Server apparatus
SUBARU CORP0 citations50
US12545077B2Feb 10, 2026
Vehicle
SUBARU CORP0 citations50
US12434742B2Oct 7, 2025
Vehicle
SUBARU CORP0 citations50
US12420823B2Sep 23, 2025
Vehicle
SUBARU CORP0 citations50
US12304518B2May 20, 2025
Vehicle
SUBARU CORP0 citations48
BROTHER IND LTD
6 patentsUS9939566B2Apr 10, 2018
Polygon mirror, image forming apparatus, and method for manufacturing a polygon mirror
BROTHER IND LTD3 citations73
US9594196B2Mar 14, 2017
Light deflector and image forming apparatus
BROTHER IND LTD4 citations73
US9851558B2Dec 26, 2017
Light deflector
BROTHER IND LTD4 citations71
US9778457B2Oct 3, 2017
Light deflector and polygon mirror
BROTHER IND LTD2 citations71
US11300780B2Apr 12, 2022
Scanning optical device with scanning lens supporting structure
BROTHER IND LTD0 citations62
US10451869B2Oct 22, 2019
Light deflector and polygon mirror
BROTHER IND LTD0 citations51
HAYAKAWA KAZUHIRO
4 patentsUS8141987B2Mar 27, 2012
Ink jet recording head, manufacturing method thereof, and electron device
HAYAKAWA KAZUHIRO4 citations61
US8238325B2Aug 7, 2012
Packet communication network and packet communication method
HAYAKAWA KAZUHIRO4 citations59
US8562845B2Oct 22, 2013
Ink jet print head and method of manufacturing ink jet print head
HAYAKAWA KAZUHIRO0 citations40
US8219428B2Jul 10, 2012
System and method for determining a franchisee commitment fee based on a determined cost standard
HAYAKAWA KAZUHIRO0 citations40