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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8111130 | Chip resistor and method for manufacturing the same A chip resistor includes a resistor element, a reinforcing member, and a pair of electrodes. The resistor element includes a first surface and a second surface opposite to the first surface. The reinforcing member is bonded to the first surface of the resistor eleme... | 02/07/2012 |
| 8044765 | Chip resistor and method of making the same A chip resistor includes a metal resistor element made in the form of a chip that includes an upper surface, a lower surface, two end surfaces, and two side surfaces. Two electrodes are formed on the resistor element to be spaced from each other in a longitudinal di... | 10/25/2011 |
| 7378936 | Circuit element with laser trimmed component A circuit element has a substrate layer with first and second faces. A conductive first layer overlays the first surface, and a conductive second layer overlays the second surface. The first layer defines a pattern with a trimmable portion. The second layer defines ... | 05/27/2008 |
| 7326889 | PTC element and production process thereof A method of manufacturing a PTC element comprising a pair of lead terminals bonded together by thermocompression with a matrix held therebetween comprises a matrix preparing step of preparing a matrix constructed by dispersing a conductive filler into a crystalline ... | 02/05/2008 |
| 7203049 | Over-current protection device The over-current protection device of the present invention uses the unbalanced properties of the thermal expansion coefficients between the outer and inner sides for an upper metallic conductive sheet and a lower metallic conductive sheet to generate a torque to de... | 04/10/2007 |
| 6995984 | Method for producing a large-mass ohmic resistor for protecting electronic assemblies from surges, and an electronic assembly The invention relates to an electronic assembly, in particular for low power consumption electric switching devices such as low power contactors, time relays or the like. In order to provide protection against input current pulses, an ohmic resistor (6) is pr... | 02/07/2006 |
| 6859133 | Resistor The resistor of the present invention comprises a substrate, a pair of upper electrode layers disposed on one surface of the substrate, and a resistor layer connected to the pair of upper electrode layers, wherein the upper electrode layer includes a first thin film... | 02/22/2005 |
| 6817088 | Termination method for thick film resistance heater A power adapter is shown for use on injection molding runner nozzles. The power adapter provides for quick and easy installation (and removal) of thick film resistance heaters on the runner nozzles, without the need for rewiring. The power adapter comprises a series... | 11/16/2004 |
| 6636143 | Resistor and method of manufacturing the same The present invention relates to a resistor and a manufacturing method of the same. The invention aims at providing the resistor and the manufacturing method thereof that can reduce a soldering area that occupies a mount area, when the resistor is mounted... | 10/21/2003 |
| 6285275 | Surface mountable electrical device A surface mountable electrical devices includes a PTC resistive element having opposite first and second surfaces and lateral faces interconnecting the first and second surfaces, spaced apart first and third electrode layers formed on the first surface, a... | 09/04/2001 |
| 6150918 | Degaussing unit comprising one or two thermistors Degaussing units in the form of mono and duo-PTCs are disclosed which can be exposed to high inrush currents without the same leading to fracture at the edges of the ceramic thermistors. The electrode layers of the thermistor(s) completely cover the main ... | 11/21/2000 |
| 5990780 | Low-resistance, high-power resistor having a tight resistance tolerance despite variations in the circuit connections to the contacts A tight-tolerance, low-resistance, high-power chip resistor for mounting on a circuit board in parallel and adjacent relationship to such board. There are discrete terminal plates mounted on one surface of a substrate, in spaced-apart relationship to each... | 11/23/1999 |
| 5966067 | Thick film resistor and the manufacturing method thereof A thick film resistor assembly comprising: (a) an insulation substrate, (b) a resistor layer being formed on surface of the insulation substrate, (c) a pair of conductor pads comprising a first Ag conductor layer comprising Ag powder and palladium or plat... | 10/12/1999 |
| 5952911 | Thermistor chips and methods of making same A thermistor chip is made by first forming first metal layers with a three-layer structure at both end parts of a thermistor element and then forming second metal layers with a three-layer structure on the first metal layers so as to have edge parts that ... | 09/14/1999 |
| 5884391 | Process for manufacturing an electrical device comprising a PTC element An electrical device comprising a resistive element having a first electrode in electrical contact with the top surface of the resistive element and a second electrode in electrical contact with the bottom surface of the resistive element. An insulating l... | 03/23/1999 |
| 5874885 | Electrical devices containing conductive polymers An electrical device (1) in which an element (7) composed of a conductive polymer is positioned in contact with the surface layer of one or more metal electrodes (3,5). The metal electrode contains a base layer (9) which comprises a first metal, an interm... | 02/23/1999 |
| 5804092 | Modular ceramic igniter with metallized coatings on the end portions thereof and associated terminal socket A modular igniter system which preferably provides either direct electrical connection between the metallized ends of the hot surface igniter and the socket contact, or indirect electrical connection by a short lead wire held in place on the hot surface e... | 09/08/1998 |
| 5793276 | Organic PTC thermistor An organic PTC thermistor having a positive temperature coefficient of resistivity, which comprises a PTC composition comprising an organic polymer having dispersed therein a conductive substance, and at least one pair of electrodes, wherein the conductiv... | 08/11/1998 |
| 5734313 | Chip-type composite electronic component A chip-type composite electronic component according to the present invention comprises an insulating substrate (1), a common electrode (2) formed on the substrate (1), a plurality of individual electrodes (3a-3h) formed on the substrate (1) to be spaced ... | 03/31/1998 |
| 5699607 | Process for manufacturing an electrical device comprising a PTC element An electrical device comprising a resistive element having a first electrode in electrical contact with the top surface of the resistive element and a second electrode in electrical contact with the bottom surface of the resistive element. An insulating l... | 12/23/1997 |
| 5689227 | Circuit board material with barrier layer A circuit board material is disclosed which includes a support layer, at least one electrical resistance layer having a preselected resistivity adhered to the support layer, a barrier layer adhered to the electrical resistance layer, and a conductive laye... | 11/18/1997 |
| 5606302 | PTC circuit protection device with non-opposed spring terminals An electronic component device includes an electronic component element 13 that is interposed between a pair of spring terminals 14 and 15. The electronic component element 13 is resiliently held by the spring terminals 14 and 15, and contact portions 17 ... | 02/25/1997 |
| 5557251 | Thermistor with electrodes for preventing inter-electrode migration A thermistor includes a plate-like thermistor body and a first and a second electrode formed on each of the main surfaces of said plate-like thermistor body. The first electrode is formed so that its outer periphery reaches the outer peripheral edge of th... | 09/17/1996 |
| 5420562 | Resistor having geometry for enhancing radio frequency performance A resistor having a novel physical geometry is provided. The physical geometry of the resistor minimizes the current paths through the resistor such that the reactance components of the resistor is minimized for radio frequency operation. The resistor is ... | 05/30/1995 |
| 5289155 | Positive temperature characteristic thermistor and manufacturing method therefor A positive characteristic thermistor, in which the outer periphery of a first electrode including a metal other than silver as its main component is positioned on the inside of the outer periphery of the main body of this thermistor, and is made to coinci... | 02/22/1994 |
| 5285184 | Chip-type network resistor Disclosed herein is a chip-type network resistor characterized in that resistance layers are formed between a common electrode extending across an insulative substrate and each of a plurality of separate electrodes disposed in the opposite sides of the in... | 02/08/1994 |
| 5210517 | Self-resetting overcurrent protection element A self-resetting overcurrent protection element uses an element body made up of a mixture of polymers and carbon black grafted with polymers. A resilient sheathing material covering the element body permits free expansion of the element body to permit the... | 05/11/1993 |
| 5210516 | PTC thermistor and PTC thermistor producing method, and resistor with a PTC thermistor A PTC thermistor has its substrate entirely coated with an insulating glass material except for the area where a silver electrode is formed. Such a thermistor may be produced by coating a substrate with an insulating glass material, forming a silver layer... | 05/11/1993 |
| 5192940 | Flat resistance for blower control unit for automobile air conditioner and blower control unit using the same A flat resistance for a blower control unit of an automobile air conditioner, and a blower control unit using the same. The flat resistance includes: a porcelain enameled metallic substrate including a flat head portion, having an edge and one surface, an... | 03/09/1993 |
| 5164698 | Post-termination apparatus and process for thick film resistors of printed circuit boards A printed circuit board includes both high and low resistive value thick film resistors interconnected by a copper film. To lower the contact resistance to the thick film resistors of high value, each is provided at its ends with a termination of a compos... | 11/17/1992 |
| 4984130 | Passive electric component A passive electric component suitable for SMD-technique and having a cylindrical supporting member or a supporting member in the form of a rectangular parallelepiped and having electric connection elements at its ends which surround the supporting member ... | 01/08/1991 |
| 4965538 | Microwave attenuator A microwave attenuator is constructed on an insulative substrate which supports a resistive region, input/output electrodes and shunt electrodes. The shunt electrodes are preferably constructed using trapezoidally shaped portions on the face of the insula... | 10/23/1990 |
| 4959632 | Organic PTC thermistor An organic positive temperature coefficient (PTC) thermistor includes an organic PTC thermistor sheet on which a roughened surface is formed by pressing a wire mesh against one main surface thereof at a predetermined pressure. This results in the main sur... | 09/25/1990 |
| 4924205 | Chip resistor and method of manufacturing a chip resistor A chip resistor comprising a cuboid resistor body of a ceramic material and solderable, metal, current-supply strips at a first pair of opposing side faces of the resistor body, can readily and accurately be manufactured in that a second pair of opposing ... | 05/08/1990 |
| 4899126 | Thick film resistor type printed circuit board A thick film resistor type printed circuit board including an insulating substrate, a plurality of pairs of terminal electrode layers made of silver and formed on the insulating substrate, a plurality of resistor layers formed on the terminal electrode la... | 02/06/1990 |
| 4878850 | Electric power supply terminal for encapsulated glazing The terminal for encapsulated glazing having coverings or equipment requiring an electric power supply. The terminal, for example of the hollow rivet type, is fastened, particularly by soldering or brazing, in the area of the edges of the glazing on a zon... | 11/07/1989 |
| 4742325 | Thin-film circuit and method of making the same A thin-film circuit including integrated resistors and conductors. The conductors consist of two superposed Au layers having a Pd layer sandwiched between them. The conductors have a sheet resistivity of R 10 m and are solderable and bondable. The thin-fi... | 05/03/1988 |
| 4684916 | Chip resistor In a chip resistor made of thin film having its connecting electrodes for connecting the resistor to a substrate, the connecting electrodes are coated with electrical conducting paint then soldering is performed so as to ensure soldering of the connecting... | 08/04/1987 |
| 4654510 | PTC heating apparatus A PTC heating element with a honeycomb ceramic body comprising a barium titanate and semiconductor element, which provides the ceramic body with a positive temperature coefficient of resistance over the Curie point. An electrode is deposited on each end o... | 03/31/1987 |
| 4544828 | Heating device A heating device for heating an object with a heating element composed of ceramic particles having a positive temperature coefficient of resistance dispersed in a binder.... | 10/01/1985 |
