Inventor
HIRAMATSU KOJI
JP45 patents
⚠️ This page may combine multiple inventors who share the name “HIRAMATSU KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAKATA CORP
24 patentsUS6375260B1Apr 23, 2002
Child seat
TAKATA CORP104 citations97
US6183044B1Feb 6, 2001
Child seat
TAKATA CORP90 citations96
US5984223ANov 16, 1999
Seat belt retractor and its spool
TAKATA CORP53 citations96
US7152824B2Dec 26, 2006
Seat belt retractor and seat belt device equipped with the same
TAKATA CORP24 citations92
US7029068B2Apr 18, 2006
Child seat
TAKATA CORP43 citations92
US6568621B2May 27, 2003
Seat belt retractor
TAKATA CORP28 citations92
US5584107ADec 17, 1996
Buckle device for infant restraining seat
TAKATA CORP42 citations92
US5374110ADec 20, 1994
Pretensioner for seat belts
TAKATA CORP45 citations92
US5527094AJun 18, 1996
Restraint and protection seat for infant
TAKATA CORP48 citations91
US7631831B2Dec 15, 2009
Seat belt retractor
TAKATA CORP15 citations84
US7392957B2Jul 1, 2008
Seatbelt retractor system and seatbelt system
TAKATA CORP13 citations84
US7370822B2May 13, 2008
Seatbelt retractor having multi-level load-limit setting devices
TAKATA CORP12 citations84
US7354014B2Apr 8, 2008
Seat belt retractor
TAKATA CORP13 citations84
US5387029AFeb 7, 1995
Buckle pretensioner for vehicle seat belt systems
TAKATA CORP7 citations74
US5316233AMay 31, 1994
Seat belt retractor with springs connected in series and motorized spring force adjustment
TAKATA CORP11 citations74
US5313690AMay 24, 1994
Buckle pretensioner for seat belt systems
TAKATA CORP16 citations74
US5383623AJan 24, 1995
Rotary actuator-operated seat belt pretensioner
TAKATA CORP11 citations72
US7874589B2Jan 25, 2011
Seat belt retractor
TAKATA CORP2 citations63
US7661712B2Feb 16, 2010
Seat belt retractor
TAKATA CORP2 citations63
US7350735B2Apr 1, 2008
Seat belt retractor
TAKATA CORP2 citations63
US5487563AJan 30, 1996
Pretensioner for vehicle seat belt systems
TAKATA CORP6 citations63
US5507523AApr 16, 1996
Automatically releasable safety device used in mechanical igniter for gas generator
TAKATA CORP2 citations61
US7883044B2Feb 8, 2011
Seat belt retractor
TAKATA CORP3 citations59
US5346257ASep 13, 1994
Pretensioner for vehicle seat belts
TAKATA CORP0 citations52
HIRAMATSU KOJI
6 patentsUS8083262B2Dec 27, 2011
Seat belt retractor and seat belt apparatus
HIRAMATSU KOJI7 citations79
US8905439B2Dec 9, 2014
Retractor device for seatbelt, and seatbelt device
HIRAMATSU KOJI2 citations62
US8430350B2Apr 30, 2013
Seat belt retractor
HIRAMATSU KOJI2 citations59
US8297709B2Oct 30, 2012
Seat belt retractor and seat belt apparatus having the same
HIRAMATSU KOJI2 citations57
USRE47450EJun 25, 2019
Seat belt retractor and seat belt apparatus having the same
HIRAMATSU KOJI0 citations47
US8403423B2Mar 26, 2013
Method of limiting a load applied on a seat belt in an emergency
HIRAMATSU KOJI0 citations47
FUJIKIN KK
5 patentsUS11226043B2Jan 18, 2022
Ball valve
FUJIKIN KK3 citations73
US11326742B2May 10, 2022
Valve
FUJIKIN KK1 citations62
US11041566B2Jun 22, 2021
Seal structure, sealing method, and coupling equipped with said seal structure
FUJIKIN KK1 citations62
USD1089558SAug 19, 2025
Valve handle
FUJIKIN KK0 citations57
US12287036B2Apr 29, 2025
Valve
FUJIKIN KK0 citations47