Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20120105185 | METHOD FOR PRODUCING SINTERED FERRIT MAGNET, AND SINTERED FERRITE MAGNET A sintered ferrite magnet comprising (a) a ferrite phase having a hexagonal M-type magnetoplumbite structure comprising Ca, an element R which is at least one of rare earth elements and indispensably includes La, an element A which is Ba and/or Sr, Fe, and Co as indispe... | 05/03/2012 |
| 20120070578 | METHOD FOR PRODUCING TITANIUM METAL Disclosed is a method for producing titanium metal, which comprises: (a) a step in which a mixed gas is formed by supplying titanium tetrachloride and magnesium into a mixing space that is held at an absolute pressure of 50-500 kPa and at a temperature not less than 170... | 03/22/2012 |
| 20120034128 | AL-MG-SI-BASED, CASTING ALUMINUM ALLOY WITH EXCELLENT YIELD STRENGTH AND CAST MEMBER MADE THEREOF A Al—Mg—Si-based, casting aluminum alloy comprising by mass 4-6% of Mg, 3.1-4.5% of Si, 0.5-1% of Mn, 0.1-0.3% of Cr, and 0.1-0.4% of Cu, the balance being Al and inevitable impurities.... | 02/09/2012 |
| 20120023879 | CERAMIC HONEYCOMB STRUCTURE AND ITS PRODUCTION METHOD A ceramic honeycomb structure having a large number of flow paths defined by porous cell walls; said porous cell walls being composed of cordierite crystals, mullite crystals, corundum crystals and/or spinel crystals; the percentage of the X-ray diffraction intensity of... | 02/02/2012 |
| 20110272065 | SOFT MAGNETIC ALLOY RIBBON AND ITS PRODUCTION METHOD, AND MAGNETIC DEVICE HAVING SOFT MAGNETIC ALLOY RIBBON A method for producing a soft magnetic alloy ribbon having a composition represented by Fe100−x−y−zAxByXz, wherein A is Cu and/or Au, X is at least one element selected from the group consisting of Si, S, C, P, Al, Ge, G... | 11/10/2011 |
| 20110260806 | HIGH-FREQUENCY CIRCUIT, HIGH-FREQUENCY DEVICE, AND MULTIBAND COMMUNICATIONS APPARATUS A high-frequency circuit for use in a multiband wireless apparatus for switching the connection between an antenna and transmission/reception circuits depending on signals for pluralities of communications systems, comprising a single-pole, multi-throw switch circuit co... | 10/27/2011 |
| 20110284989 | SEMICONDUCTOR APPARATUS AND POWER SUPPLY CIRCUIT A semiconductor apparatus comprising an integrated semiconductor circuit device having pluralities of electrode pads, pluralities of first external terminals connected to the electrode pads of the integrated semiconductor circuit device, an inductor disposed in a region... | 11/24/2011 |
| 20110210483 | MOLTEN METAL SUPPLY CYLINDER, MOLTEN METAL SUPPLY APPARATUS INCORPORATING SUCH A SUPPLY CYLINDER AND MOLTEN METAL SUPPLY METHOD An object of the present invention is to provide a molten metal supply cylinder that has a simple configuration if compared with the configurations of the prior art and can suppress mixing of oxide that is produced on the surface of a low melting point metallic material... | 09/01/2011 |
| 20110181274 | METHOD FOR ANALYZING DC SUPERPOSITION CHARACTERISTICS OF INDUCTANCE DEVICE, AND ELECTROMAGNETIC FIELD SIMULATOR A method for analyzing the DC superposition characteristics of an inductance device using a magnetic field analysis simulator, comprising a first step of determining an initial magnetization curve from initial magnetization to saturation magnetization, and pluralities o... | 07/28/2011 |
| 20110171058 | PROCESS FOR MANUFACTURING NI-BASE ALLOY AND NI-BASE ALLOY Provided is an Ni-base alloy excellent in strength, ductility and other properties through the resolution of micro-segregation. Also provided is a process for manufacturing an Ni-base alloy containing by mass C: 0.15% or less, Si: 1% or less, Mn: 1% or less, Cr: 10 to 2... | 07/14/2011 |
| 20110143168 | CO-FE ALLOY FOR SOFT MAGNETIC FILMS, SOFT MAGNETIC FILM, AND PERPENDICULAR MAGNETIC RECORDING MEDIUM Disclosed is a Co—Fe alloy for soft magnetic films used in perpendicular magnetic recording media, etc., which maintains high soft magnetic properties and has excellent weather resistance. Disclosed is a Co—Fe alloy for soft magnetic films, which is a Co—Fe alloy ... | 06/16/2011 |
| 20110135873 | CERAMIC HONEYCOMB STRUCTURE AND ITS PRODUCTION METHOD A ceramic honeycomb structure having a large number of flow paths defined by porous cell walls having porosity of 45-68% and an average pore size of 15-35 μm, the volume of pores having diameters of more than 50 μm being more than 10% and 25% or less of the total pore... | 06/09/2011 |
| 20110133860 | BANDPASS FILTER, HIGH-FREQUENCY DEVICE AND COMMUNICATIONS APPARATUS A bandpass filter comprising two or more resonators arranged between two input/output terminals in a laminate substrate comprising pluralities of dielectric layers; each resonator being constituted by a resonance line and a resonance capacitance connected to one end of ... | 06/09/2011 |
| 20110110452 | HIGH-FREQUENCY CIRCUIT, HIGH-FREQUENCY DEVICE, AND COMMUNICATIONS APPARATUS A high-frequency circuit comprising first and second antenna terminals, a transmitting terminal and first and second receiving terminals for first and second communications systems, and first and second switch circuits each having a common terminal and at least first an... | 05/12/2011 |
| 20110037529 | NON-RECIPROCAL CIRCUIT AND NON-RECIPROCAL CIRCUIT DEVICE, AND CENTRAL CONDUCTOR ASSEMBLY USED THEREIN A central conductor assembly for use in a non-reciprocal circuit comprising a first inductance element between a first input/output port and a second input/output port, and a second inductance element between the second input/output port and a ground port, a magnetic su... | 02/17/2011 |
| 20110018207 | PISTON RING MATERIAL FOR INTERNAL COMBUSTION ENGINE A piston ring material is provided which retains excellent mechanical properties and processability, which are required of piston ring materials, and has wearing resistance and scuffing resistance, which are sliding properties required of piston rings. The piston ring m... | 01/27/2011 |
| 20110000200 | HEAT-RESISTANT, AUSTENITIC CAST STEEL AND EXHAUST MEMBER MADE THEREOF Heat-resistant, austenitic cast steel comprising by mass 0.3-0.6% of C, 1.1-2% of Si, 1.5% or less of Mn, 17.5-22.5% of Cr, 8-13% of Ni, 1.5-4% as (W+2Mo) of at least one of W and Mo, 1-4% of Nb, 0.01-0.3% of N, 0.01-0.5% of S, the balance being Fe and inevitable impuri... | 01/06/2011 |
| 20100321140 | LOW-LOSS FERRITE AND ELECTRONIC DEVICE FORMED BY SUCH FERRITE Low-loss ferrite comprising 100% by mass of main components comprising 47.1-49.3% by mol of Fe2O3, 20-26% by mol of ZnO, and 6-14% by mol of CuO, the balance being NiO, and 0.1-2% by mass (as SnO2) of Sn and 0.05-2% by mass (as Mn3<... | 12/23/2010 |
| 20100302748 | CERAMIC SUBSTRATE PART AND ELECTRONIC PART COMPRISING IT A ceramic substrate part comprising on its upper surface pluralities of external electrodes comprising wire-bonding electrodes, each of which comprises a primer layer based on Ag or Cu, a Ni-based lower layer, an intermediate layer based on a Pd—P alloy containing 0.4... | 12/02/2010 |
| 20100291407 | ALLOY TO BE SURFACE-COATED AND SLIDING MEMBERS An alloy to be surface-coated, which can keep excellent hardness of 58HRC or above even when the amount of an alloying element added is reduced or even when the alloy is heated to a temperature of as high as 400 to 500° C.; and sliding members produced by forming a har... | 11/18/2010 |
| 20100283447 | MULTILAYER INDUCTOR AND POWER CONVERTER COMPRISING IT A multilayer inductor comprising a coil embedded in a magnetic portion, and a magnetic gap formed by a non-magnetic portion in part of a magnetic path, the magnetic portion being made of Ni ferrite, whose relative temperature coefficient αμir of initial per... | 11/11/2010 |
| 20100210489 | HARD COATING FILM EXCELLENT IN LUBRICATION CHARACTERISTICS, PROCESS FOR FORMATION THEREOF, AND TOOL FOR THE PLASTIC WORKING OF METAL The invention aims at providing a hard coating film excellent in lubrication characteristics; a process for the formation thereof; and tools for the plastic working of metal, and provides a hard coating film covering the surface of a substrate to come into contact with ... | 08/19/2010 |
| 20100189594 | SOLDER ALLOY, SOLDER BALL AND SOLDER JOINT USING SAME Disclosed is a Pb-free solder alloy consisting of, in mass %, 0.1-1.5% of Ag, 0.5-0.75% of Cu, Ni in an amount satisfying 12.5≦Cu/Ni≦100, and the balance of Sn and unavoidable impurities. The solder alloy preferably contains, in mass %, 0.3-1.2% of Ag and 0.01-0.04%... | 07/29/2010 |
| 20100182097 | HIGH-FREQUENCY DEVICE AND HIGH-FREQUENCY CIRCUIT USED THEREIN A high-frequency device having a high-frequency circuit comprising a high-frequency amplifier, and an output-matching circuit receiving high-frequency power output from the high-frequency amplifier, in and on a multilayer substrate obtained by laminating pluralities of ... | 07/22/2010 |
| 20100181859 | RADIALLY ANISOTROPIC RING R-TM-B MAGNET, ITS PRODUCTION METHOD, DIE FOR PRODUCING IT, AND ROTOR FOR BRUSHLESS MOTOR A method for producing a radially anisotropic ring magnet having at least one axial groove on the inner surface comprises using a die comprising a cylindrical, magnetic core, a magnetic sleeve having an axial ridge in alignment with the groove on the outer surface and d... | 07/22/2010 |
| 20100178510 | FINE METAL PARTICLES AND BIOMATERIAL-EXTRACTING MAGNETIC BEADS, AND THEIR PRODUCTION METHODS Fine metal particles each comprising a magnetic metal core particle and two or more coating layers, the outermost layer among the two or more coating layers containing an oxide of silicon and aluminum at an Al/Si atomic ratio of 0.01-0.2, and a method for producing fine... | 07/15/2010 |
| 20100158745 | PISTON RING MATERIAL FOR INTERNAL COMBUSTION ENGINE A piston ring material that when formed into a piston ring product, maintains excellent properties, and that at the production of piston ring rod, realizes excellent processability and shape stability. There is provided a piston ring material for internal combustion eng... | 06/24/2010 |
| 20100157860 | HIGH-FREQUENCY CIRCUIT DEVICE, AND COMMUNICATIONS APPARATUS COMPRISING SAME A high-frequency circuit device comprising at least first and second antenna terminals, at least first and second transmitting terminals for a first communications system, at least first and second receiving terminals for a first communications system, two or more switc... | 06/24/2010 |
| 20100109468 | PERMANENT MAGNET MOTOR AND METHOD FOR MANUFACTURING SAME A permanent magnet motor includes: a rotor and a stator; and a plurality of permanent magnets placed on either the rotor or the stator. Each permanent magnet is an R—Fe—B based rare-earth sintered magnet including a light rare-earth element RL (at least one of Nd an... | 05/06/2010 |
| 20100096783 | METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE A process for producing a ceramic honeycomb structure containing aluminum titanate as main crystals, characterized by extruding a plastic green earth consisting of 45:55 to 55:45, in molar ratio, titania powder and alumina powder, or of 100 parts by mass of the sum of s... | 04/22/2010 |
| 20100086696 | METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE A method for producing a ceramic honeycomb structure comprising applying a coating material to an outer peripheral surface of the ceramic honeycomb body to form an outer peripheral wall, the thickness of the coating material applied being determined from the outer diame... | 04/08/2010 |
| 20100073108 | LAMINATED BANDPASS FILTER, HIGH-FREQUENCY COMPONENT AND COMMUNICATIONS APPARATUS COMPRISING THEM A three-stage-resonator, laminated bandpass filter comprising electromagnetically coupled first to third resonator electrodes, adjacent first and second resonator electrodes and a third resonator electrode being different in a grounding direction, and a coupling-capacit... | 03/25/2010 |
| 20100058725 | CERAMIC HONEYCOMB FILTER AND ITS PRODUCTION METHOD A ceramic honeycomb filter comprising a honeycomb structure having large numbers of flow paths partitioned by porous cell walls, and plugs alternately formed in the flow paths on the exhaust-gas-inlet and outlet sides, the outlet-side plugs having porosity of 65% or les... | 03/11/2010 |
| 20100047579 | COATED, FINE METAL PARTICLES AND THEIR PRODUCTION METHOD A method for producing coated, fine metal particles comprising the steps of mixing powder comprising TiC and TiN with powder of an oxide of a metal M meeting the relation of ΔGM-O>ΔGTiO2, wherein ΔGM-O represents the standard free ... | 02/25/2010 |
| 20100045411 | R-T-B SINTERED MAGNET AND METHOD FOR PRODUCING THE SAME An R-T-B based sintered magnet includes both a light rare-earth element RL (which is at least one of Nd and Pr) and a heavy rare-earth element RH (which is at least one of Dy and Tb) and Nd2Fe14B type crystals as a main phase.... | 02/25/2010 |
| 20100044910 | METHOD FOR PRODUCING CERAMIC-HONEYCOMB-STRUCTURE-MOLDING DIE AND METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE A method for producing a die for molding a ceramic honeycomb structure, which has molding grooves arranged in a lattice pattern and apertures communicating with the molding grooves for supplying a moldable material, wherein the formation of the lattice-patterned grooves... | 02/25/2010 |
| 20100040503 | MAGNETIC ALLOY, AMORPHOUS ALLOY RIBBON, AND MAGNETIC PART A soft magnetic alloy that in an FeCo nanocrystal soft magnetic material, exhibits a high saturation magnetic flux density of 1.85 T or more, and that ensures prolonged nozzle life and easy ribbon production; an amorphous alloy ribbon for use in production thereof; and ... | 02/18/2010 |
| 20100025884 | METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE A method for producing a ceramic honeycomb structure comprising the steps of mixing and blending starting materials comprising ceramic materials, a molding aid and a pore-forming material to obtain a moldable material, adjusting the properties of the moldable material, ... | 02/04/2010 |
| 20100012155 | DIE-MEMBER-CLEANING METHOD AND APPARATUS A method for cleaning a die member having molding grooves and moldable-ceramic-material-supplying holes communicating with the molding grooves, by removing a binder-containing moldable ceramic material from the die member after used for molding the moldable ceramic mate... | 01/21/2010 |
| 20100011726 | CERAMIC HONEYCOMB FILTER AND ITS PRODUCTION METHOD A ceramic honeycomb filter comprising a honeycomb structure having large numbers of flow paths partitioned by porous cell walls, and plugs alternately formed in the flow paths on the exhaust-gas-inlet and outlet sides, the area ratio of pores opening at the cell wall su... | 01/21/2010 |
