Inventor · disambiguated record
Ryukichi Murai
Also filed as: MURAI RYUKICHI
29 granted patents·902 citations·filing 1975–2005
98Inventor score
Top patents by PatentIndex Score
29 records- 0199US5671508ACord fastenerYKK CORP·Filed 1996·Granted Sep 30, 1997·122 cites·13 claims
- 0294US5454140ACord locking deviceYOSHIDA KOGYO KK·Filed 1994·Granted Oct 3, 1995·89 cites·4 claims
- 0393US5689860ACoupler for elongate articleYKK CORP·Filed 1996·Granted Nov 25, 1997·75 cites·10 claims
- 0491USD328044SAdjustable strap fastenerYOSHIDA KOGYO KK·Filed 1990·Granted Jul 21, 1992·38 cites·1 claims
- 0589US5355562ABuckleYOSHIDA KOGYO KK·Filed 1993·Granted Oct 18, 1994·66 cites·23 claims
- 0688US6357090B1Twist latchYKK CORP·Filed 2000·Granted Mar 19, 2002·37 cites·10 claims
- 0788USD349871SBuckleYOSHIDA KOGYO KK·Filed 1993·Granted Aug 23, 1994·30 cites·1 claims
- 0886USD360390SBuckleYOSHIDA KOGYO KK·Filed 1993·Granted Jul 18, 1995·26 cites·1 claims
- 0985US5419020ASeparable buckleYOSHIDA KOGYO KK·Filed 1993·Granted May 30, 1995·57 cites·3 claims
- 1084US4562621ASlide fastener stringerYOSHIDA KOGYO KK·Filed 1984·Granted Jan 7, 1986·42 cites·5 claims
- 1183US6728999B2BuckleYKK CORP·Filed 2002·Granted May 4, 2004·25 cites·7 claims
- 1279US5243741ABuckleYOSHIDA KOGYO KK·Filed 1992·Granted Sep 14, 1993·42 cites·5 claims
- 1377US5113556ABuckleYOSHIDA KOGYO KK·Filed 1990·Granted May 19, 1992·37 cites·5 claims
- 1476US4839946ACord lockYOSHIDA KOGYO KK·Filed 1988·Granted Jun 20, 1989·29 cites·14 claims
- 1571USD308471SUnitary swivel hook and air hose support for diversYOSHIDA KOGYO KK·Filed 1988·Granted Jun 12, 1990·13 cites·1 claims
- 1665US5451082ALock fastenerYOSHIDA KOGYO KK·Filed 1993·Granted Sep 19, 1995·30 cites·6 claims
- 1763US7194787B2Sheet attaching instrument and sheet attachment memberYKK CORP·Filed 2004·Granted Mar 27, 2007·10 cites·8 claims
- 1860US5829105ACoupler for elongate articleYKK CORP·Filed 1997·Granted Nov 3, 1998·16 cites·7 claims
- 1959US4143680AConcealed slide fastenerYOSHIDA KOGYO KK·Filed 1978·Granted Mar 13, 1979·16 cites·1 claims
- 2058US4891867ASlide fastenerYOSHIDA KOGYO KK·Filed 1982·Granted Jan 9, 1990·19 cites·8 claims
- 2157US5533240ALock fastenerYOSHIDA KOGYO KK·Filed 1993·Granted Jul 9, 1996·17 cites·3 claims
- 2254USD524694SBuckleYKK CORP·Filed 2005·Granted Jul 11, 2006·9 cites·1 claims
- 2350USD363049SAttachment ring for a buckleYOSHIDA KOGYO KK·Filed 1994·Granted Oct 10, 1995·6 cites·1 claims
- 2445US5297321AFastening deviceYOSHIDA KOGYO KK·Filed 1993·Granted Mar 29, 1994·14 cites·4 claims
- 2545US5138751ABuckleYOSHIDA KOGYO KK·Filed 1991·Granted Aug 18, 1992·12 cites·4 claims
- 2642US5293673AStrap fastenerYOSHIDA KOGYO KK·Filed 1993·Granted Mar 15, 1994·12 cites·5 claims
- 2741US4893851AThumb turn latchYOSHIDA KOGYO KK·Filed 1988·Granted Jan 16, 1990·7 cites·7 claims
- 2840US3971868AFabric tape for slide fastener stringers with means to prevent unraveling at its severed endsYOSHIDA KOGYO KK·Filed 1975·Granted Jul 27, 1976·5 cites·2 claims
- 2935USD359227SSwivel hookYOSHIDA KOGYO KK·Filed 1994·Granted Jun 13, 1995·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →