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Hiroshi Kojima, Kanagawa JP

Hiroshi Kojima, Kanagawa JP

Patent application numberDescriptionPublished
20090026670Vibration Proofing Apparatus - The present invention can effectively attenuate and absorb an auxiliary vibration even in the case that the auxiliary vibration input along a direction approximately orthogonal to a main vibration input along an axial direction of the apparatus, in addition that it is possible to effectively attenuate and absorb the main vibration while suppressing an engagement of a size of the apparatus. In a vibration proofing apparatus (01-29-2009
20090026671Vibration Isolator - A vibration isolator capable of efficiently increasing damping against inputted vibration provided by a fluid flowing in a restrict passage and also suppressing the rise of a dynamic spring constant when vibration is inputted therein.01-29-2009
20090236269CLASSIFICATION METHOD AND CLASSIFICATION APPARATUS - A classification apparatus includes: a dispersion liquid inlet channel that introduces a dispersion liquid containing particles; a classification channel that classifies the particles; and at least one discharge channel that discharges the classified particles, wherein the classification channel is provided inclinedly to a direction of gravity.09-24-2009
20090283945VIBRATION DAMPER - A vibration damper with improved durability achieved by preventing stress concentration in a partition wall portion to avoid an excessive increase in strain in that portion. An intermediate cylinder member (11-19-2009
20100072112SEPARATION METHOD AND SEPARATION APPARATUS - A separation apparatus contains: a dispersion liquid introduction path to which a dispersion liquid containing particles is introduced; a separation path that has a inclined upper face inclined with respect to a direction of gravity and separates the particles; and a discharge path from which particles separated by the separation path are discharged.03-25-2010
20100072116CLASSIFYING DEVICE AND METHOD OF CLASSIFICATION - A classifying device for classifying particles using a centrifugal force contains a microchannel includes a curved portion including a first tubular channel and a second tubular channel; and a diaphragm that is provided within the curved portion, and that is located at a position between the first tubular channel and the second tubular channel; and wherein the diaphragm has at least a first apertured group formed in a central region of the diaphragm and a second apertured group formed in a first end region and a second end region of the diaphragm, the first apertured group and the second apertured group communicate the first tubular channel with the second tubular channel along a direction of the centrifugal force, the first apertured group has a mesh, and the second apertured group has a mesh that is different in size from the mesh of the first apertured group.03-25-2010
20100096787VIBRATION-PROOFING DEVICE - This vibration-proofing device is a vibration-proofing device 04-22-2010
20100122957MICROCHANNEL DEVICE, SEPARATION APPARATUS, AND SEPARATION METHOD - A microchannel device is provided, the microchannel device containing a microfluidic channel including a sub fluidic channel in which at least one filtration diaphragm is provided, wherein the microfluidic channel has at least a supply port, a first discharge port and a second discharge port, the supply port and the first discharge port are connected through the filtration diaphragm, the supply port and the second discharge port are connected without the filtration diaphragm, and the filtration diaphragm is provided parallel to a fluidic channel direction of the microfluidic channel.05-20-2010
20100219570VIBRATION ISOLATOR - A vibration isolator (09-02-2010
20100224551MICRO FLUIDIC DEVICE, SEPARATION METHOD AND SEPARATION APPARATUS - A micro fluidic device includes a separation membrane that has an upper surface and a lower surface opposing to each other and a side surface; a plurality of base materials that sandwiches the separation membrane; a first channel and a second channel that are partitioned from each other by the separation membrane; a first feed port that is connected to the first channel; and a first discharge port that is connected to the second channel, wherein the first channel comes into contact with at least a part of the upper surface and the lower surface of the separation membrane, the second channel comes into contact with at least a part of the side surface of the separation membrane, and a fluid is movable in a surface direction within the separation membrane.09-09-2010
20100243539CLASSIFYING METHOD AND CLASSIFYING DEVICE - A classifying device having two or more classifying passages is provided, the classifying device including a first classifying passage to which particle dispersion liquid is fed; plural discharge ports provided in the first classifying passage, the plural discharge ports including a discharge port of coarse particle dispersion liquid and a discharge port of fine particle dispersion liquid; a second classifying passage; and a connecting passage that transports the coarse particle dispersion liquid to the second classifying passage, wherein the discharge port of the coarse particle dispersion liquid is provided in more upstream part of the first classifying passage than the discharge port of the fine particle dispersion liquid.09-30-2010
20100264569LIQUID SEALED-IN TYPE VIBRATION DAMPER - The present invention provides a liquid sealed-in type vibration damper in which a flange-shaped stopper is integrally formed on a core-shaped mounting member in advance so that mounting of a stopper thereon at a later stage is rendered unnecessary. A liquid sealed-in type vibration damper having: a core-shaped mounting member and a sleeve-shaped mounting member connected to the vibration generation side and the vibration-transferred side via brackets, respectively; and a rubber elastic body for connecting the sleeve-shaped mounting member around the core-like mounting member so that relative vibration in the axial direction of the respective mounting members and relative vibration along a direction orthogonal to the axial direction are absorbed, respectively, includes: a flange-shaped stopper formed integral with a portion protruding from the rubber elastic body, of the core-shaped mounting member, for limiting excess displacement of the core-shaped mounting member relative to the sleeve-shaped mounting member in a direction of pulling the core-shaped mounting member out of the sleeve-shaped mounting member by abutment of the stopper on the bracket of the sleeve-shaped mounting member, wherein a surface on the rubber elastic body side of the stopper is designed to be a surface of a truncated cone protruding toward the rubber elastic body side at the center portion of the stopper.10-21-2010
20110011462LIQUID TRANSPORTING METHOD AND CLASSIFYING METHOD - A method for transporting dispersion, includes: introducing dispersion containing particles into a liquid transporting channel from a dispersion introducing port; transporting the dispersion in a laminar flow through the liquid transporting channel; and discharging the dispersion from a downstream of the liquid transporting channel, and the liquid transporting channel has a bent portion in a vertical direction, and a Dean vortex which cancels an exchange flow that is produced by movement of the particles caused by gravitational force is generated in the bent portion.01-20-2011
20110011776CLASSIFYING APPARATUS AND METHOD - A classifying apparatus includes: a classifying channel that, in an upper portion, has a channel through which a particle dispersion is transported, and that, in a lower portion, has a channel through which transporting liquid is transported; a particle dispersion introducing channel where one end has an opening into which the particle dispersion is introduced, and another end is connected to the channel through which the particle dispersion is transported; a transporting liquid introducing channel where one end has an opening into which the transporting liquid is introduced, and another end is connected to the channel through which the transporting liquid is transported; and at least one recovery channel as defined herein, a channel width of the channel through which the particle dispersion is transported being smaller than a channel width of the channel through which the transporting liquid is transported, in the classifying channel.01-20-2011
20110017645DEVICE FOR CLASSIFYING PARTICLES AND METHOD FOR CLASSIFYING PARTICLES - A classification device includes: a classification channel for classifying particles; a particle dispersion delivery channel as defined herein; a conveying fluid feed channel as defined herein; and at least one collection channel as defined herein, and the particle dispersion delivery channel satisfying relationship (1):01-27-2011
20110042279DEVICE AND METHOD FOR CLASSIFYING PARTICLES - A classification device includes: a classification channel, a particle dispersion delivery channel having an opening for introducing a particle dispersion at one end thereof with the other end connected to the classification channel via a junction, a conveying fluid feed channel having an opening for introducing a conveying fluid at one end thereof with the other end connected to the classification channel, and at least one collection channel for collecting separated particles, the collection channel having an opening at one end thereof with the other end connected to the classification channel, the junction and the classification channel having substantially equal widths, and at least one of the at least one collection channel having a bottom wall with an upwardly convex shape in the middle portion of its width.02-24-2011
20110073530LIQUID TRANSPORTING APPARATUS, CLASSIFYING APPARATUS, AND CLASSIFYING METHOD - A liquid transporting apparatus includes: a microchannel; a transporting liquid supply port through which transporting liquid is supplied to the microchannel; a partition wall as defined herein, and that has an opening; a first split channel that is provided on an upper side of the partition wall; a second split channel that is provided on a lower side of the partition wall; a particle dispersion supply port through which a particle dispersion is supplied to a middle portion of a width direction of the first split channel; and at least one drain port through which the fluid is discharged from downstreams of the first and second split channels, and a pattern that generates an upward-directed flow with respect to a vertical direction in a middle portion of a section of the microchannel is formed in an inner wall of the microchannel or in the partition wall.03-31-2011

Patent applications by Hiroshi Kojima, Kanagawa JP