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Assignee: Murata Manufacturing Co., Ltd.


Location: JP
No. of patents: 1750

1                      
NumberTitleIssue Date
8164847Fall detection device, magnetic disk device, and portable electronic apparatus
By detecting that a differentiation value of the absolute value of acceleration is lower than a negative threshold value DAth1 in a negative direction from a first stage (S1: Stationary state) where the differentiation value of the absolute value of ac...
04/24/2012
8159322Laminated coil
A laminated coil includes a laminated body insulating layers and coil patterns are integrally stacked in a desired order, a coil formed by connecting the coil patterns, a pair of external electrodes provided at opposite ends of the laminated body, and an insulating ...
04/17/2012
8154659Mobile communication terminal
To perform operation check self-diagnosis of a digital terrestrial television broadcasting reception function of a multifunctional mobile communication terminal in any place without requiring addition of a special additional circuit component, or the like. When perf...
04/10/2012
8143989Multilayer inductor
This disclosure provides a multilayer inductor that has a built-in coil composed of coil conductors each having a length of one turn and that can suppress the occurrence of delamination. The inductor includes plural laminated magnetic layers. Coil conductors loop al...
03/27/2012
8143988Multilayer inductor
This disclosure provides a multilayer inductor that includes a coil formed from coil electrodes each looping through a length of one turn and that is capable of preventing the occurrence of delamination. Each of a plurality of coil electrodes loops through a length ...
03/27/2012
8111124Inductance element and method for manufacturing the same
An inductance element is not interfered by peripheral circuits when mounted on a wiring board by forming a closed magnetic path. The inductance element has a small reduction of an inductance value when a direct current is superimposed, and thus has excellent direct ...
02/07/2012
8098116LC composite electronic component
An LC composite electronic component, having a large noise suppression effect without increasing in size, includes a multilayer structure in which first and second capacitor units (10), (20) and first and second coil units (30), (40) are ...
01/17/2012
8072306Electronic component
A multilayer body is formed by laminating multiple insulating layers. External electrodes are provided on the opposed side surfaces of the multilayer body and extend in the z axis direction. Coil conductors are laminated together with the insulating layers and form ...
12/06/2011
8066516Coaxial connector
There is provided a coaxial connector having a good radio-frequency characteristic includes a main body having a hole, or opening for allowing a probe to be inserted, a fixed terminal is fixed to the main body, a movable terminal including a fixed portion fixed to t...
11/29/2011
8051975Workpiece transfer apparatus and electronic component transfer apparatus
A workpiece conveying apparatus for conveying a workpiece disposed in a through hole in a conveying table allows the workpiece to be reliably dismounted from the through hole using compressed gas, suppresses the workpiece from unintentionally jumping out because of ...
11/08/2011
8047871L-shaped coaxial connector
An L-shaped coaxial connector manufacturable at low costs includes a housing having a cylinder portion and a back portion. The cylinder portion includes a first opening and a second opening, and the cylinder portion is in contact with an external conductor of a rece...
11/01/2011
8044758Open magnetic circuit multilayer coil component and process for producing the open magnetic circuit multilayer coil component
An open magnetic circuit multilayer coil component includes a laminate with magnetic layers, a coil, and a nonmagnetic layer provided within the laminate so as to cross a magnetic path formed by energization of the coil. A nonmagnetic material constituting the nonma...
10/25/2011
8033382Workpiece transfer apparatus and electronic component transfer apparatus
An electronic-component conveying apparatus that conveys an electronic component by holding the electronic component in a through hole provided in a conveying table of the apparatus, in which the electronic component can be quickly and reliably dismounted from the t...
10/11/2011
8004383Multilayer coil component and method for manufacturing the same
A highly reliable multilayer coil component is provided without forming voids between magnetic ceramic layers and internal conductor layers. According to the multilayer coil component, an internal stress problem is reduced, the direct current resistance is low, and ...
08/23/2011
7999648Wire-wound coil and method for manufacturing wire-wound coil
A wire-wound coil has a characteristic impedance that can be flexibly adjusted and can be prevented from varying undesirably. In the coil of the present invention, a primary wire part 18A and a secondary wire part 18B are wound around the surface of a ...
08/16/2011
7985076Receptacle for coaxial connector
A receptacle for coaxial connector includes an outer conductor having a tubular portion, a central conductor having a central-conductor contact portion extending in an axis direction in an internal space of the tubular portion, and an insulator holding the outer con...
07/26/2011
7978042Electronic component
A multilayer body is formed by laminating multiple insulating layers. External electrodes are provided on the opposed side surfaces of the multilayer body and extend in the z axis direction. Coil conductors are laminated together with the insulating layers and form ...
07/12/2011
7976315Receptacle with an inner conductor surrounded by an outer conductor and an insulator having overhung portions
Described herein is a receptacle for coaxial connector whose outer shape is made small and short in height while ensuring reliability. The receptacle for coaxial connector includes an outer conductor having a tubular portion, a central conductor having a contact por...
07/12/2011
7973633DC to DC converter module
Lower surface terminals are disposed at the lower surface of a magnetic substrate. An upper surface electrode is disposed at the upper surface of the magnetic substrate. A control circuit, an input capacitor, and an output capacitor are mounted on the upper surface ...
07/05/2011
7972174L-type coaxial connector
A housing includes a cylinder portion, a back portion, crimping portions, and supporting portions. The cylinder portion has a first opening, a second opening, and a cut and can be in contact with an external conductor of a receptacle inserted from the first opening....
07/05/2011
7940226Surface-mount antenna and antenna device
A ground electrode is formed on the lower surface of a ferroelectric substrate, a control electrode including capacitor electrodes and an inductor electrode is formed on the upper surface of the ferroelectric substrate, and an upper-surface radiating electrode and a...
05/10/2011
7911311Electronic component
An electronic component is configured to include a laminate disposed between first and second magnetic substrates. The laminate is formed by laminating resin insulating layers, a coil pattern, and a lead pattern. The coil pattern is connected to external electrodes ...
03/22/2011
7889044Multilayer coil component
A multilayer coil component is provided in which solder fusibility and a self-alignment property are prevented from being degraded due to absorption of a flux in a soldering step. The multilayer coil component has no voids present at interfaces between internal cond...
02/15/2011
7861953Dispersing apparatus, ceramic slurry preparation method, and monolithic ceramic electronic component and manufacturing method thereof
A dispersing apparatus that can efficiently disperse agglomerated particles in a slurry at a lower energy, a method for preparing a ceramic slurry containing ceramic particles that have been dispersed with the dispersing apparatus, a reliable monolithic ceramic elec...
01/04/2011
7837027Workpiece transporting apparatus and electronic component transporting apparatus
An electronic component conveying apparatus is provided in which an electronic component is accommodated in a through-hole of a conveyer table and is conveyed. The electronic component can be reliably picked up from the through-hole using a compressed gas in a short...
11/23/2010
7791906DC to DC converter module
Lower surface terminals are disposed at the lower surface of a magnetic substrate. An upper surface electrode is disposed at the upper surface of the magnetic substrate. A control circuit, an input capacitor, and an output capacitor are mounted on the upper surface ...
09/07/2010
7753690L-shaped coaxial connector and the manufacturing method
An L-shaped coaxial connector manufactured with a relatively small number of processes and a method of manufacturing the L-shaped coaxial connector are provided. A housing of the L-shaped coaxial connector is connected to an outer conductor. A bushing is attached to...
07/13/2010
7726012Component-mounting apparatus and component-positioning unit having roller member with sloped positioning surface
A component-mounting apparatus and a component-positioning unit for positioning a component, having a simple structure with reduced manufacturing cost and a significantly higher component-mounting speed. The component-mounting apparatus includes a holding device tha...
06/01/2010
7691764Translucent ceramic, optical component, and optical device
Provided is a translucent ceramic which has a high Abbe number, is advantageous in aberration correction, and can be easily produced. The translucent ceramic contains, as a main component, a garnet type compound represented by the General Formula: Y3Al
04/06/2010
7691469Ceramic multilayer substrate and method for manufacturing the same
A ceramic multilayer substrate exhibiting reduced pealing and breakage of an internal conductor disposed between a ceramic layer serving as a base member and a ceramic layer for restricting shrinkage includes a first ceramic layer 11, a second ceramic layer
04/06/2010
7691286Piezoelectric ceramic composition, method for manufacturing the same, and piezoelectric ceramic electronic component
A piezoelectric ceramic composition includes a primary component represented by the formula (1-x)(K1-a-bNaaLib)m(Nb1-c-dTacSbd)O3-xM1nM2O3, and 0.1 to 10 mo...
04/06/2010
7638451Dielectric ceramic, method of producing the same, and monolithic ceramic capacitor
A dielectric ceramic contains a barium titanate compound oxide as a main component; at least one rare earth element R selected from Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; Mg; and Ni, such that a crystalline compound oxide containing the rare ...
12/29/2009
7635906Ultraviolet sensor
The ultraviolet sensor has a ZnO layer composed of an oxide semiconductor including ZnO; a (Ni,Zn)O layer which is provided in contact with the ZnO layer and which is composed of an oxide semiconductor including NiO and ZnO solid-solved therein; a first terminal ele...
12/22/2009
7630217Synchronous rectification forward converter
A rectification switch control switch element (Q7) is provided between a gate and a source of a rectification switch element (Q2). The rectification switch control switch element (Q7) is turned ON in response to a signal on a secondary side of a...
12/08/2009
7625831Anisotropically shaped ceramic particles and method for producing the same
Anisotropically shaped ceramic particles are represented by the general formula {(K1−x−yNaxLiy)4(Nb1−zTaz)6O17+aMeOb} (where Me is at least one element selected ...
12/01/2009
7618562Thermoelectric material
A p-type oxide thermoelectric material which has a high output factor and a low environmental load. The thermoelectric material is composed of an oxide represented by the compositional formula (Ni1-xCux) (Mn2-yCuy)O4 ...
11/17/2009
7607587Card device
A card device includes a card casing accommodating a circuit board. The card device is capable of being inserted into and pulled out from a card slot in an apparatus in which the card device is to be mounted. An anti-slipping member is anchored and exposed at a rear...
10/27/2009
7595975Dielectric ceramic, ceramic electronic element, and multilayer ceramic capacitor
A dielectric ceramic including a perovskite compound represented by the general formula {(Ba1-x-yCaxSny)m(Ti1-zZrz)O3} as a primary component in which the x, y, z, and m satisfy 0.02≦x≦...
09/29/2009
7595707Microstripline type directional coupler and communication device using the same
A directional coupler having a grounding electrode on one surface of a substrate, a coupling line portion on a second surface of the substrate, and a main line disposed so as to be coupled at high frequencies to the coupling line portion. The grounding electrode inc...
09/29/2009
7589954Multilayer ceramic capacitor
Provided is a multilayer ceramic capacitor including external electrodes which also functions as a resistive element, and the external electrodes achieve strong bonding with internal electrodes containing Ni or a Ni alloy. The external electrodes include a resistive...
09/15/2009
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