Japan Agency for Marine-Earth Science and Technology Patent applications |
Patent application number | Title | Published |
20150361768 | METHOD AND SYSTEM FOR RECOVERING OCEAN FLOOR HYDROTHERMAL MINERAL RESOURCES - The invention is a recovery method for recovering mineral resources from a hydrothermal fluid reservoir present beneath the ocean floor, the recovery method including the steps of: (A) providing a hydrothermal fluid well by drilling a hole reaching a hydrothermal fluid reservoir from an ocean floor surface via a guide base on the ocean floor surface, and then installing a casing in the drilled hole via the guide base; (B) precipitating minerals on the mineral-culturing device by installing a mineral-culturing device on the base guide so as to cover a well head of the hydrothermal fluid well, and bringing hot water ejecting from the well head into contact with sea water on the mineral-culturing device; and (C) recovering minerals precipitated on the mineral-culturing device together with the mineral-culturing device. | 12-17-2015 |
20150323074 | PRESSURE VESSEL - The pressure vessel includes a tubular portion and a cover portion made of fiber reinforced plastics. The outer peripheral surface of an end portion of the tubular portion has a reverse-tapered shape of which the diameter is increased toward an end face. The cover portion includes a wedge-shaped member installed along the reverse-tapered shape of the outer periphery surface of the end portion of the tubular portion, an outer ring for covering the wedge-shaped member from the outside, an inner ring installed to cover an opening of the tubular portion and the wedge-shaped member and connected to the outer ring, and a sample cap connected to the inner ring. | 11-12-2015 |
20150050680 | Measuring Method of Enzyme Activity - Providing is a new enzyme assay method for enzymes having a water-insoluble or substantially water-insoluble substrate. In the method for measuring enzymatic activity, a prescribed amount of an enzyme is disposed on a part of the surface of a gel comprising dispersoids, at least some of which are the substrate of the enzyme. Recesses formed in the surface of the gel by the action of the enzyme are measured, and the enzyme activity is calculated on the basis of the measurement results and the amount of the enzyme. The measurement of the recesses formed in the surface of the gel is performed using a method for measuring the shape and the volume of the recesses, a method for measuring changes in the optical transmittance of the gel due to the formation of the recesses, or a method for measuring changes in the optical reflectance of the gel surface due to the formation of the recesses. | 02-19-2015 |
20140374459 | FUSION CUTTING DEVICE - A fusion cutting device includes a fusion cutting device body made from a connecting-member enclosure in the shape of a tube, for slidably passing a connecting member therethrough, an electric heater wound outside the connecting-member enclosure in the form of a coil, and a case configured to contain these connecting-member enclosure and electric heater, a power source for supplying electric current to the electric heater, and a switch circuit configured to flow the electric current from the power source to the electric heater. The first object and the second object are fixed by the connecting member. When the switch circuit turns on, electric current flows from the power source to the electric heater, thereby fusion cutting the connecting-member enclosure and the connecting member that pass through the connecting-member enclosure. The first object and the second object are thereby separated. | 12-25-2014 |
20140315451 | FIXATION RELEASING DEVICE - A fixation releasing device by which a buoyant body and a weight may be securely fixed and the fixed state between the buoyant body and the weight may be readily released, using a simple structure. The fixation releasing device is made from a buoyant body, a weight, and a connection designed to connect the buoyant body and weight. The connection device has a connection structure made from a closed loop member, rotation arms, and connection members. A connection member is engaged with each rotation arm, and rotation of each rotation arm is restrained b the closed loop member, thereby fixing the buoyant body. To release the buoyant body, a trigger mechanism provided at the closed loop member is operated to fusion cut the closed loop member. Then, each rotation arm is rotated, and then the connection member comes out of each rotation arm, thereby releasing the buoyant body. | 10-23-2014 |
20140296356 | Method for Manufacturing Emulsion - The disclosed invention is a method for producing an emulsion, comprising the steps of: (1) causing water and a water-insoluble substance that is to be emulsified to become freely miscible under conditions of temperature and pressure in the vicinity of the vapor-liquid critical point of water; and (2) cooling the product comprised of the water-insoluble substance and water solved each other in the presence of a surfactant to obtain a liquid comprised of the water-insoluble substance dispersed in water or a liquid comprised of water dispersed in the water-insoluble substance. The present invention provides a new method for producing emulsions with high efficiency without requiring a long period of processing or a great amount of energy. | 10-02-2014 |
20140262532 | CORE SAMPLING APPARATUS AND CONTAINER TRANSFER APPARATUS - Provided is a core sampling apparatus which maintains the internal pressure after the core drilling. | 09-18-2014 |
20140245963 | AQUATIC ORGANISM REARING SYSTEM AND AQUATIC ORGANISM REARING METHOD - An object is to maintain the hydrogen sulfide concentration in rearing water at a constant value without measuring the hydrogen sulfide concentration in the rearing water. | 09-04-2014 |
20140245962 | DISSOLVED GAS SUPPLYING DEVICE - A problem with conventional rearing apparatuses for deep-sea organisms was difficulty in supplying dissolved gas into water in an appropriate amount. | 09-04-2014 |
20140020618 | METHOD FOR PRODUCING CALCITE SINGLE CRYSTAL - The objective of the present invention is to provide a method for producing a calcite single crystal which is appropriately fine in a large scale with no difficulty. The method for producing a calcite single crystal according to the present invention is characterized in comprising the steps of mixing raw material calcium carbonate with an ammonium nitrate aqueous solution to obtain a raw material mixed liquid, wherein pH of the ammonium nitrate aqueous solution is not less than 7.0 and not more than 8.0, a concentration of the ammonium nitrate aqueous solution is not less than 2 M, and a concentration of calcium carbonate in the raw material mixed liquid is not less than 4 g/L and not more than 16 g/L; heating the raw material mixed liquid at not less than 125° C.; and then gradually cooling the raw material mixed liquid. | 01-23-2014 |
20130323768 | CULTURE SUBSTRATE COMPRISING CELLULOSE GEL, SOLID MEDIUM USING SAME, AND CELLULASE ACTIVITY ASSAY METHOD USING MEDIUM - A cellulose gel medium having good visibility of microbial colonies, a cellulose gel culture substrate for manufacturing the cellulose gel medium, a method for manufacturing the cellulose gel culture substrate, a method for screening cellulase-producing microorganisms or cellulase activity with greater efficiency and rapidity, and a culture substrate, which includes a cellulose gel containing cellulose and water as medium-solidifying components, the cellulose has the viscosity of 12 to 35 mPa·S as measured at 26° C. with a solution prepared by dissolving the cellulose at a concentration of 2.5 mg/mL in dimethylacetamide containing 8% (W/V) lithium chloride. | 12-05-2013 |
20130196404 | METHOD FOR DETACHMENT AND PREPARATION OF LIVING MICROORGANISMS - A method for immobilizing living microorganisms includes a step (1) of disposing a solution containing microorganisms as an electrolyte on the surface of a substrate at least one portion of which is an electrode, and applying a constant potential to the electrode to cause at least a portion of the microorganisms to attach to the surface of the substrate. The constant potential in step (1) is greater than −0.5 V but not greater than −0.2 V (vs Ag/AgCl) or greater than +0.2 V but not greater than +0.4 V (vs Ag/AgCl). The electrolyte in step (1) does not contain a source of nutrition for the microorganisms. | 08-01-2013 |
20130039150 | PHASED-ARRAY SYNTHETIC APERTURE SONAR SYSTEM - It is an object to maintain a processing speed while increasing accuracy of a sonar image. Disclosed is a phased-array synthetic-aperture sonar system, including: a plurality of phased array processors ( | 02-14-2013 |
20130008257 | UNDERWATER WORK DEVICE AND UNDERWATER STRAIN GAUGE DEVICE - To easily change internal pressure of a container according to a change in external pressure. | 01-10-2013 |
20120319021 | VALVE MECHANISM - In the valve mechanism | 12-20-2012 |
20120270755 | METHOD FOR PREPARING A SUBSTRATE FOR ARRANGING ANIMAL CELLS IN AN ARRAY AND METHOD FOR PREPARING A SUBSTRATE ON WHICH ANIMAL CELLS ARE ARRANGED IN AN ARRAY - A new means of separately arranging individual animal cells on a substrate surface is provided. A method for preparing a substrate for arranging animal cells in an array, comprising steps (1) to (3): (1) preparing a substrate having adsorption surfaces in an array on an electrode substrate surface; (2) causing an extracellular matrix to adsorb to the electrode surface and the adsorption surfaces of the substrate; and (3) applying a weak potential to the electrode to cause the extracellular matrix on the electrode surface to separate to obtain a substrate with the extracellular matrix adhered to the adsorption surfaces thereof. A method for preparing a substrate on which animal cells have been arranged in an array, comprising steps (1) to (4): (1) preparing a substrate having adsorption surfaces in an array on an electrode substrate surface; (2) causing an extracellular matrix to adsorb to the electrode surface and the adsorption surfaces of the substrate; (3) applying a weak potential to the electrode to cause the extracellular matrix on the electrode surface to separate to obtain a substrate with extracellular matrix adhered to the adsorption surfaces thereof; and (4) culturing the animal cells on the surface of the substrate obtained in (3) to obtain a substrate on which the animal cells have adhered to the adsorption surface. | 10-25-2012 |
20120259602 | PARTICLE SIMULATOR AND METHOD OF SIMULATING PARTICLES - The memory size used in DEM calculation of particle having a particle diameter distribution is suppressed. | 10-11-2012 |
20110300631 | METHOD FOR SUPPRESSING CELL GROWTH - Disclosed is a method for suppressing the growth of a target cell, which is not limited in the type of a target cell and the type of a protein to be expressed in the target cell and needs not any preparatory experiment for determining a codon to be contained in a protein to be expressed in a target cell. Specifically disclosed is a method for suppressing the growth of a target cell, which comprises the steps of: incorporating DNA containing a region encoding a protein into the target cell, and allowing a protein encoded by the DNA to be expressed in the target cell into which the DNA has been incorporated. The region contained in the DNA comprises a tri-nucleotide sequence. The tri-nucleotide sequence is selected from codons that define at least some amino acid species constituting the protein, and is complementary to at least some codons that are used in the target cell at a frequency of 0.2 or less. | 12-08-2011 |
20110107955 | UNDERWATER TRAVELING VEHICLE - An underwater traveling vehicle includes: a vehicle body | 05-12-2011 |
20110032142 | SYNTHETIC APERTURE PROCESSING SYSTEM AND SYNTHETC APERTURE PROCESSING METHOD - A synthetic aperture processing system | 02-10-2011 |
20100305916 | METEOROLOGICAL PHENOMENA SIMULATION DEVICE AND METHOD - A meteorological simulation method acquires the geomorphological data of a predetermined region, acquires the meteorological data of the predetermined region entirely or partially, acquires the 3D spatial data of a partial region in the pre-determined region where the 3D space is defined by a plurality of grids, calculates the meteorological data in the predetermined region by using the geomorphological data and the meteorological data, acquires the attribute data of each grid including the geo-metrical factors of the plurality of grids of the partial region in the predetermined region, calculates heat radiation energy of every grid based on the attribute data of each grid, calculates the flux between a solid object or the like and the ground surface and the pressure variation on the boundary of the solid object and the atmosphere based on the heat radiation energy thus calculated, calculates the weather data on the boundary of the solid object or the like and the atmosphere based on the flux and pressure variation, and calculates the meteorological data in the predetermined region furthermore after predetermined time later by outputting the calculated meteorological data to an output until and using the meteorological data on the boundary of the solid object or the like and the atmosphere. | 12-02-2010 |
20100240141 | APPARATUS AND METHOD FOR MEASURING CONCENTRATION OF CARBON DIOXIDE IN WATER - An apparatus for measuring the concentration of carbon dioxide in water that can correct a reduction in measurement accuracy based on deterioration of a pH indicator is provided. A carbon dioxide concentration measurement apparatus includes a deterioration determining section that measures a change rate ΔA | 09-23-2010 |
20100058992 | APPARATUS FOR FEEDING AQUATIC ORGANISM - A breeding apparatus comprises a main water tank | 03-11-2010 |
20100026683 | METHOD AND PROGRAM OF VISUALIZING STRUCTURED GRID DATA - Grid structured data arranged for a spherical structured grid constituted by combining two component structured grids are visualized by using computer graphics technology. Coordinate conversion means | 02-04-2010 |
20090001810 | Power Unit of Underwater Vehicle - The present invention provides a power unit of an underwater vehicle, which allows reduction in size and weight of a transformer for stepping down a power voltage of a power supply to increase a loading amount of a variety of devices with respect to the underwater vehicle, so as to obtain a favorable operating environment. The power unit is connected to the power supply through a cable and receives power through the cable. Further, the power unit comprises an electronic transformer having: a rectifier for rectifying a high-voltage alternate current power of the power supply into a direct current; a high-frequency converter for converting an output of the rectifier into a high-frequency alternate current; a transformer for stepping down an output voltage of the high-frequency converter; a rectifier for rectifying an output of the transformer into a direct current; and a control circuit for controlling the high-frequency converter. | 01-01-2009 |