Inventor
MURASAKI RYUICHI
JP80 patents
⚠️ This page may combine multiple inventors who share the name “MURASAKI RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YKK CORP
38 patentsUS6209177B1Apr 3, 2001
Molded surface fastener, and molding method and molding apparatus of the same
YKK CORP89 citations98
US5951931ASep 14, 1999
Molded surface fastener and method for manufacturing the same
YKK CORP90 citations98
US5781969AJul 21, 1998
Molded surface fastener
YKK CORP100 citations98
US6463635B2Oct 15, 2002
Surface fastener
YKK CORP73 citations96
US5851467ADec 22, 1998
Molded surface fastener and method for manufacturing the same
YKK CORP52 citations96
US5800845ASep 1, 1998
Molded surface fastener, and method and apparatus for manufacturing the same
YKK CORP41 citations96
US5792408AAug 11, 1998
Molded surface fastener, and method and apparatus for manufacturing the same
YKK CORP65 citations96
US5755015AMay 26, 1998
Molded surface fastener, and method and apparatus for manufacturing the same
YKK CORP86 citations96
US5749129AMay 12, 1998
Molded surface fastener, and method and apparatus for manufacturing the same
YKK CORP57 citations96
US5685050ANov 11, 1997
Hook structure for molded surface fastener
YKK CORP83 citations96
US5643651AJul 1, 1997
Molded surface fastener and method for manufacturing the same
YKK CORP53 citations96
US5537793AJul 23, 1996
Joint structure of panel-like components
YKK CORP83 citations96
US5537720AJul 23, 1996
Molded surface fastener
YKK CORP59 citations96
US5512234AApr 30, 1996
Method and apparatus for manufacturing surface fastener
YKK CORP60 citations96
US6647750B2Nov 18, 2003
Buckle
YKK CORP21 citations93
US6127018AOct 3, 2000
Synthetic resin skidproof device
YKK CORP32 citations93
US6060146AMay 9, 2000
Molded surface fastener member and method of manufacturing the member
YKK CORP30 citations93
US5985407ANov 16, 1999
Molded surface fastener with backing and method of manufacturing the same
YKK CORP38 citations93
US5974635ANov 2, 1999
Female engaging member of surface fastener and method of manufacturing the same
YKK CORP46 citations93
US5678286AOct 21, 1997
Sheet fastener for sheet-like article
YKK CORP21 citations93
US5625930AMay 6, 1997
Molded surface fastener
YKK CORP26 citations93
US7022394B2Apr 4, 2006
Fastener strip with discrete magnetically attractable area, and method and apparatus of making same
YKK CORP42 citations92
US6896759B2May 24, 2005
Fastener strip with discrete magnetically attractable area, and method and apparatus of making same
YKK CORP39 citations92
US6720059B2Apr 13, 2004
Fastener strip having vertical sealing members l
YKK CORP50 citations92
US6115891ASep 12, 2000
Continuous surface fastener tape and method of manufacturing the same
YKK CORP32 citations92
US5948337ASep 7, 1999
Molded surface fastener and method for manufacturing the same
YKK CORP27 citations92
US5938997AAug 17, 1999
Molded surface fastener and method for manufacturing the same
YKK CORP18 citations92
US5745961AMay 5, 1998
Surface fastener
YKK CORP36 citations92
US5702797ADec 30, 1997
Molded surface fastener and method for manufacturing the same
YKK CORP25 citations92
US5690875ANov 25, 1997
Method and apparatus for manufacturing surface fastener
YKK CORP29 citations92
US5657517AAug 19, 1997
Hook structure for molded surface fastener
YKK CORP33 citations92
US5615461AApr 1, 1997
Fastening device
YKK CORP35 citations92
US7998548B2Aug 16, 2011
Male surface fastener member for use in a cushion body mold and manufacturing method thereof
YKK CORP18 citations91
US6678924B2Jan 20, 2004
Integral molded surface fastener, and continuous manufacturing method and continuous manufacturing apparatus therefor
YKK CORP52 citations91
US7493676B2Feb 24, 2009
Hook fastener structures
YKK CORP8 citations84
US6143222ANov 7, 2000
Surface fastener manufacturing method
YKK CORP16 citations84
US6659851B2Dec 9, 2003
Fastening device for polishing paper cloth
YKK CORP9 citations74
US6610231B2Aug 26, 2003
Molding method for a surface fastener
YKK CORP7 citations74
YOSHIDA KOGYO KK
9 patentsUS5441687AAug 15, 1995
Method and apparatus for manufacturing a material-backed engaging member for surface fastener
YOSHIDA KOGYO KK126 citations97
US5131119AJul 21, 1992
Hook structure for integrally molded surface fastener
YOSHIDA KOGYO KK87 citations96
US5393475AFeb 28, 1995
Method and apparatus for continuously producing an integrally molded double-sided surface fastener
YOSHIDA KOGYO KK94 citations95
US5361462ANov 8, 1994
Molded surface fastener
YOSHIDA KOGYO KK20 citations93
US5342569AAug 30, 1994
Method of attaching a fastening tape to a molded article
YOSHIDA KOGYO KK30 citations93
US5369853ADec 6, 1994
Hook-and-loop fastener
YOSHIDA KOGYO KK51 citations92
US5349991ASep 27, 1994
Woven surface fastener construction
YOSHIDA KOGYO KK30 citations92
US5457856AOct 17, 1995
Integrally molded surface fastener
YOSHIDA KOGYO KK19 citations82
US4123830ANov 7, 1978
Slide fastener stringer
YOSHIDA KOGYO KK20 citations82
MURASAKI RYUICHI
3 patentsUS8857018B2Oct 14, 2014
Clip for fastening surface skin material
MURASAKI RYUICHI29 citations91
US9004591B2Apr 14, 2015
Fixture unit and cover fixing method
MURASAKI RYUICHI15 citations82
US8795564B2Aug 5, 2014
Male surface fastener member for use in a cushion body mold and manufacturing method thereof
MURASAKI RYUICHI8 citations82
Showing the top 50 of 80 patents by PatentIndex Score.