Assignee
TSUCHIYA SEISAKUSHO
JP·21 granted patents·1,528 citations·filing 1984–1997
Top patents by PatentIndex Score
21 records- 0195US4627406AOil separator for recycled blow-by gasTSUCHIYA SEISAKUSHO·Filed 1984·Granted Dec 9, 1986·200 cites·12 claims
- 0294US4925561AComposite planar and triangularly pleated filter elementTSUCHIYA SEISAKUSHO·Filed 1989·Granted May 15, 1990·442 cites·19 claims
- 0389US4708199AHeat exchangerTSUCHIYA SEISAKUSHO·Filed 1986·Granted Nov 24, 1987·91 cites·24 claims
- 0487US5584997ASeparation module and bundle unit of hollow thread-type porous membrane elements and methods of producing sameTSUCHIYA SEISAKUSHO·Filed 1994·Granted Dec 17, 1996·75 cites·16 claims
- 0587US4940500AFilter medium forming system and processTSUCHIYA SEISAKUSHO·Filed 1988·Granted Jul 10, 1990·72 cites·30 claims
- 0687US4669532AHeat exchanger with temperature responsive bypassTSUCHIYA SEISAKUSHO·Filed 1984·Granted Jun 2, 1987·109 cites·12 claims
- 0783US5323745APlastic rocker coverTSUCHIYA SEISAKUSHO·Filed 1993·Granted Jun 28, 1994·56 cites·6 claims
- 0880US5349141AResonator type silencer having plural resonance chambersTSUCHIYA SEISAKUSHO·Filed 1993·Granted Sep 20, 1994·61 cites·9 claims
- 0979US4653581APlate type heat exchangerTSUCHIYA SEISAKUSHO·Filed 1985·Granted Mar 31, 1987·46 cites·12 claims
- 1078US4856487AGas flow rate control system for internal combustion engineTSUCHIYA SEISAKUSHO·Filed 1986·Granted Aug 15, 1989·40 cites·14 claims
- 1177US5641344AFuel vapor treatment deviceTSUCHIYA SEISAKUSHO·Filed 1995·Granted Jun 24, 1997·50 cites·16 claims
- 1275US4892136AHeat exchangerTSUCHIYA SEISAKUSHO·Filed 1987·Granted Jan 9, 1990·39 cites·16 claims
- 1373US4710297AFluid filter with pleated filter mediumTSUCHIYA SEISAKUSHO·Filed 1986·Granted Dec 1, 1987·45 cites·31 claims
- 1472US5283398AResonator type silencerTSUCHIYA SEISAKUSHO·Filed 1992·Granted Feb 1, 1994·54 cites·9 claims
- 1572US4596141AElectrically operated oil level gaugeTSUCHIYA SEISAKUSHO·Filed 1984·Granted Jun 24, 1986·23 cites·3 claims
- 1671US5228420AValve rocker coverTSUCHIYA SEISAKUSHO·Filed 1992·Granted Jul 20, 1993·26 cites·6 claims
- 1765US5885454ASeparation module and bundle unit of hollow thread-type porous membrane elements and methods of producing sameTSUCHIYA SEISAKUSHO·Filed 1996·Granted Mar 23, 1999·31 cites·20 claims
- 1863US5599384AFuel vapor treatment deviceTSUCHIYA SEISAKUSHO·Filed 1995·Granted Feb 4, 1997·35 cites·9 claims
- 1945US5714030APlastisol type adhesive composition used in filter for alcohol-containing fuelTSUCHIYA SEISAKUSHO·Filed 1997·Granted Feb 3, 1998·15 cites·18 claims
- 2041US4774000ASubmicron disc filtersTSUCHIYA SEISAKUSHO·Filed 1986·Granted Sep 27, 1988·12 cites·30 claims
- 2125US5541374AResonator type silencerTSUCHIYA SEISAKUSHO·Filed 1995·Granted Jul 30, 1996·6 cites·12 claims
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