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.
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| Number | Title | Issue Date |
| RE39308 | 3,5-dioxa-12-azawurtzitane compound and process of preparing same A 3,5-dioxa-12-azawurtzitane compound represented by the formula (I) shown in the specification. The dioxaazawurtzitane compound may be prepared by reacting an amino acid, an oligo- or polypeptide or a polyamino acid with a trialdehyde represented by formula (II) sh... | 09/26/2006 |
| 7085721 | Method and apparatus for fundamental frequency extraction or detection in speech An object is to provide a method of extracting sound-source information, which method enables the characteristics of fixed points of mapping from filter center frequency to output instantaneous frequency to be detected from instantaneous data, as a value which can b... | 08/01/2006 |
| 7015700 | Flaw detector Flaw detection apparatus includes an electrode disposed in a region surrounded by a packaging material including a layer of an electrically-conductive material; a cutting member made of an electrically-conductive material and adapted to cut a predetermined portion o... | 03/21/2006 |
| 7015946 | Television door intercom apparatus A television door intercom apparatus improves recognition performance for a resident inside a house to recognize a visitor conducting a call operation at the entrance and security in responding to the call. A call detection circuit 31 of a residential master ... | 03/21/2006 |
| 6996949 | Packing container and method of manufacturing the containers The packaging container includes a container body formed from a packaging material, and a cap unit attached to a top wall of the container body. The cap unit includes a lip, a pull tab which covers a discharge opening and an inner tape which covers the discharge ope... | 02/14/2006 |
| 6995609 | Switching circuit and digital power amplifier To provide a switching circuit and a digital power amplifier capable of supplying much power to a load, as compared with a conventional circuit. A switching circuit of the present invention comprises a plurality of switching circuit units, in which first to f... | 02/07/2006 |
| 6984949 | System and method to selectively prevent movements of an electric vehicle A method and system for preventing the movements of an electric vehicle in a direction opposite a desired direction are described herein. The electric vehicle comprises an electric motor linked to at least one wheel of the vehicle. The method comprises detecting the... | 01/10/2006 |
| 6983964 | Vehicle bumper structure A bumper for attachment to the front of a vehicle, includes an elongated bumper beam having a front face provided with at least one rearwardly depressed portion extending lengthwise of the bumper beam, a compressable energy absorbing foam material extending lengthwi... | 01/10/2006 |
| 6981923 | High spin golf club groove configuration The high spin golf club uses modified grooves for use on all types of known golf clubs, wherein the modified grooves maximizes control of the golf ball through increasing backspin. The high spin golf club's modified grooves can be used alone or in a combination with... | 01/03/2006 |
| 6970095 | Theft detection system and method A theft detection system includes an accelerometer attachable to an object, the accelerometer providing an acceleration signal in response to movement of the object; an alarm mechanism for providing a signal in response to movement of the object; and for preventing ... | 11/29/2005 |
| 6960851 | Cooling device including a biasing element A cooling device for an internal stator of an electric machine. The stator includes a substantially cylindrical cavity having a substantially cylindrical internal surface. The cooling device includes a body defining an external substantially cylindrical contact surf... | 11/01/2005 |
| 6958602 | High-accuracy 1X variable-reluctance resolver A high-accuracy, 1X VR resolver includes a first rotor portion having (N−1) salient poles, where N is an arbitrary integer not less than 3, a second rotor portion having N salient poles, a first stator portion having an input coil and an output coil for a shaft an... | 10/25/2005 |
| 6956067 | Expanded polypropylene resin bead and process of producing same Expanded, substantially non-crosslinked polypropylene resin beads capable of producing a high rigidity foamed molding at a relatively low temperature. The beads are produced by a process including a step of dispersing substantially non-crosslinked polypropylene resi... | 10/18/2005 |
| 6950743 | Navigation system and program for navigation system setup In order to simplify the setting of interchanges for getting on and off, a navigation system has an information retrieval processing unit for obtaining map data and interchanges for getting on and off, a display unit which displays a setup screen for displaying a ma... | 09/27/2005 |
| 6950134 | Method of preventing transfer and storage of non-optically generated charges in solid state imaging device Disclosed is a method of storing optically generated charges by an optical signal in a solid state imaging device, which is particularly a method of storing optically generated charges by an optical signal in a solid state imaging device using a MOS image sensor of ... | 09/27/2005 |
| 6949552 | Remedial agent for anxiety neurosis or depression and piperazine derivative There are provided a therapeutic preparation for anxiety neurosis or depression which comprises a MC4 receptor antagonist as an effective ingredient; and a piperazine derivative represented by Formula [1]: [... | 09/27/2005 |
| 6944538 | Navigation apparatus, navigation system and navigation method providing guidance for lane changes A navigation system includes an input device for inputting a destination, a current location detector for detecting current location of the vehicle, a camera for imaging an area to the rear of the vehicle, a route search program for searching for a route to the dest... | 09/13/2005 |
| 6944380 | Optical fiber for transmitting ultraviolet ray, optical fiber probe, and method of manufacturing the optical fiber probe It is an object of the present invention to provide an optical fiber for transmitting ultraviolet ray which has an improve transmittance and is prevented from deterioration by ultraviolet ray with which it is irradiated. It is another object of the present invention... | 09/13/2005 |
| 6942346 | Illuminating optical system and color image projecting device A color image projecting device includes an illuminating optical system and a projection optical system. The illuminating optical system includes a light source emitting white light including red, green, and blue colors, a dividing-spectra block having reflecting su... | 09/13/2005 |
| 6943233 | Cyclic peptides and aids vaccines Cyclic peptides which comprise, as a constituent chain or chains thereof, one or two amino acid sequences selected from the amino acid sequence Asn-Val-Ser-Glu-Ala-Asp-Asp-Arg-Tyr-Ile and the amino acid sequence Arg-Ser-Gln-Lys-Glu-Gly-Leu-His-Tyr-Thr, and AIDS vacc... | 09/13/2005 |
| 6938819 | Packaging container and method of manufacturing the same The packaging container includes a container body formed from a packaging material, and a cap unit attached to a top wall of the container body. The cap unit includes a lip, a pull tab which covers a discharge opening and an inner tape which covers the discharge ope... | 09/06/2005 |
| 6939252 | Golf ball with three dimple types The present invention provides a golf ball having a plurality of dimples arranged on its outer surface, selected from two sets of dimples, the first set having a single radius cross section and the second set having a dual radius cross section. The dimples are arran... | 09/06/2005 |
| 6935450 | Hybrid vehicle driving device A motor/generator is arranged radially outward of a middle portion of a front cover of a torque converter so that at least a part of the motor/generator axially overlaps the torque converter, with a predetermined gap (C) between the front cover and the rotor of the ... | 08/30/2005 |
| 6929377 | Light-reflective material and light source device using the same There is provided a light-reflective material with which light reflectance can be efficiently increased and brightness of a flat light source can be improved without increasing the number of components. This light-reflective material comprises a laminate formed by p... | 08/16/2005 |
| 6921841 | Process for the synthesis of optically active anthracyclines It is described a process for the synthesis of optically active anthracyclines by the fact that the key intermediate (R)2-acetyl-2-hydroxy-1,2,3,4-tetrahydronaphtalene 5,8-dialkoxy-3,4-dihydronaphtalene by acylation asymmetric dihydroxylation, transformation into ch... | 07/26/2005 |
| 6917469 | Light diffusing laminated plate A light diffusing laminated plate including a first light diffusing layer containing particles of a transparent light diffusing material dispersed therein and having a concave cross-section, and a second light diffusing layer containing particles of an opaque light ... | 07/12/2005 |
| 6904362 | Route guidance system, information delivery center, and vehicular route guidance apparatus An information center generates packets of route guidance information, each corresponding to a prescribed road length of a recommended route. The information center may generate major guide point information and guidance information and transmit both to a vehicular ... | 06/07/2005 |
| 6896439 | Set of metal bodies with rectilinear axis and constant cross section for making a cross for fixing vertical plates in point-supported suspended facades, and cross thus obtained A set of metal bodies each having a rectilinear axis and constant thickness can be appropriately connected together to form a cross with one, two, three, or four arms, for use in fixing vertical plates in point-supported continuous facades. ... | 05/24/2005 |
| 6896985 | Fuel cell system There is provided a fuel cell system which is efficient and does not cause reduction in output even when operation and stopping of a fuel cell are repeated for a long period of time. The fuel cell system is provided with a fuel cell stack including a fuel chamber fo... | 05/24/2005 |
| 6893757 | Fuel cell apparatus and method of controlling fuel cell apparatus A fuel cell apparatus includes a fuel cell connected directly to a load. An electricity accumulation circuit including an electricity accumulator is connected in parallel to the fuel cell. The electricity accumulator supplies electric power to the load when electric... | 05/17/2005 |
| 6890009 | Bumper core An elongated bumper core of a polyolefin-based resin-containing foam having a density of 0.045-0.2 g/cm3 and showing a compressive load of F20 at 20% strain, a compressive load of F40 at 40% strain and a compressive load of F60 ... | 05/10/2005 |
| 6544637 | Porous inorganic material having pore walls of crystalline titanium oxide and method of producing same An inorganic porous material, having uniform pores defined by pore walls of crystalline titanium oxide. The inorganic porous material may be produced by heating an organic inorganic mesostructured material containing titanium and having a hexagonal crysta... | 04/08/2003 |
| 6542816 | Communication navigation system A communication navigation system, wherein a navigation apparatus requests a recommended route guidance data to a information center and guides a user of the navigation apparatus to a destination by using the recommended route guidance data received from ... | 04/01/2003 |
| 6537692 | Fuel cell apparatus The present invention provides a direct water injection type fuel cell apparatus which can effectively cool an air electrode in a fuel cell main body. The apparatus supplies water to the surface of the air electrode in a liquid state and the amount of pro... | 03/25/2003 |
| 6538925 | Semiconductor memory device, method of manufacturing the same and method of driving the same The present invention relates to a dual bit nonvolatile programmable read/write memory containing a semiconductor memory element having one conductivity type semiconductor substrate including at least one convex portion. A pair of opposite conductivity so... | 03/25/2003 |
| 6530253 | Method for producing cylindrical member having spline grooves, and cylindrical member having spline grooves The disclosed method produces a spline-grooved cylindrical member, e.g. torque converter front cover, including a cylindrical portion having a target wall thickness t2, from a plate blank having a plate thickness t1. An outer peripheral portion of a disc-... | 03/11/2003 |
| 6526625 | Enhanced performance tandem roller for patio doors The invention provides a wheel or roller assembly for a patio door or the like comprising a carriage having two parallel spaced side plates and a pair of grooved wheels mounted within the carriage that provide for the self adjustment of the roller wheels ... | 03/04/2003 |
| 6527657 | Endless belt for power transmitting An endless belt for power transmitting according to the present invention is a tension-type belt of links forming a chain, and has high power transmitting efficiency although it can be produced with relatively low cost. With this endless belt, the respect... | 03/04/2003 |
| 6524216 | Control apparatus of hybrid vehicle When a driver depresses an accelerator pedal to request a shift such as a downshift or the like, a maximum shift target changing rate (shift speed) of a CVT having a belt-type continuously variable shift apparatus is set based on the shift inertia of the ... | 02/25/2003 |
| 6524972 | Method for forming an interlayer insulating film, and semiconductor device A method for forming an interlayer insulating film is disclosed. This method comprises the steps of: forming an underlying insulating film on an object to be formed; and forming a porous SiO2 film on said underlying insulating film by a Chemica... | 02/25/2003 |
