Assignee
HAYAKAWA RUBBER
JP·17 granted patents·3 pending applications·620 citations·filing 1977–2022
Top patents by PatentIndex Score
20 records- 0195US4449713AAqueously-swelling water stopper and a process of stopping water therebyHAYAKAWA RUBBER·Filed 1982·Granted May 22, 1984·104 cites·4 claims
- 0290US4558875AAqueously-swelling water stopper and a process for stopping water therebyHAYAKAWA RUBBER·Filed 1984·Granted Dec 17, 1985·102 cites·17 claims
- 0387US4803112AImpact-cushioning sheets and direct-applying restraint type floor damping structures using the sameHAYAKAWA RUBBER·Filed 1987·Granted Feb 7, 1989·59 cites·9 claims
- 0486US4366284AAqueously-swelling water stopper and a process of stopping water therebyHAYAKAWA RUBBER·Filed 1981·Granted Dec 28, 1982·40 cites·7 claims
- 0584US4443019AAqueously-swelling water stopper and a process of stopping water therebyHAYAKAWA RUBBER·Filed 1982·Granted Apr 17, 1984·37 cites·10 claims
- 0679US4483537AGolf ballHAYAKAWA RUBBER·Filed 1982·Granted Nov 20, 1984·79 cites·6 claims
- 0777US5185234APhotosensitive flexographic printing plate compositionHAYAKAWA RUBBER·Filed 1991·Granted Feb 9, 1993·38 cites·4 claims
- 0876US5200438AUltraviolet ray-curable inkHAYAKAWA RUBBER·Filed 1991·Granted Apr 6, 1993·27 cites·1 claims
- 0971US4174992AWater proofing compositions for cement mortar or concrete and methods of application thereforHAYAKAWA RUBBER·Filed 1978·Granted Nov 20, 1979·22 cites·4 claims
- 1068US5085697AMethod of forming a tentative surface protective coatingHAYAKAWA RUBBER·Filed 1990·Granted Feb 4, 1992·31 cites·7 claims
- 1165US2024101804A1Bolus forming material and bolus using sameHAYAKAWA RUBBER·Filed 2022·Application pending·0 cites
- 1261US5283265APhotopolymerizable rubberHAYAKAWA RUBBER·Filed 1988·Granted Feb 1, 1994·15 cites·7 claims
- 1353US4174993AWater proofing compositions for cement mortar or concrete and methods of application thereforHAYAKAWA RUBBER·Filed 1978·Granted Nov 20, 1979·11 cites·4 claims
- 1452US4929469AMethod of forming a tentative surface protective coatingHAYAKAWA RUBBER·Filed 1988·Granted May 29, 1990·15 cites·7 claims
- 1548US6001301AMethod of molding a lamina into a protective memberHAYAKAWA RUBBER·Filed 1996·Granted Dec 14, 1999·24 cites·6 claims
- 1645US2007254980A1Radiation resistant cross linked polymer compositions and radiation resistant polymer productsHAYAKAWA RUBBER·Filed 2007·Application pending·0 cites
- 1740US4338224AWater proofing compositions for cement mortar or concreteHAYAKAWA RUBBER·Filed 1981·Granted Jul 6, 1982·7 cites·1 claims
- 1836US4193831AWater proofing compositions for cement mortar or concrete and method employing sameHAYAKAWA RUBBER·Filed 1977·Granted Mar 18, 1980·5 cites·3 claims
- 1936US2005023024A1Radiation resistant cross linked polymer compositions and radiation resistant polymer productsHAYAKAWA RUBBER·Filed 2004·Application pending·0 cites
- 2022US5722644APre-shaped vibration-damping member for deformed portionHAYAKAWA RUBBER·Filed 1996·Granted Mar 3, 1998·4 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →