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Fujioka, Tokyo
Akio Fujioka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20090050007 | Intaglio plate and method for fabricating the same - There is provided an intaglio plate | 02-26-2009 |
Atsushi Fujioka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20100268957 | SIGNATURE GENERATING APPARATUS, SIGNATURE VERIFYING APPARATUS, AND METHODS AND PROGRAMS THEREFOR - A signature is generated by a scheme in which x denotes a secret key of a signature generating apparatus, m | 10-21-2010 |
Hideaki Fujioka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20080283281 | Multilayer ceramic substrate - A multilayer ceramic substrate includes a plurality of ceramic layers laminated each other. The plurality of ceramic layers form a bulge and a cavity having such a shape that an opening area of the cavity gradually becomes smaller toward a bottom of the cavity. | 11-20-2008 |
Hiroshi Fujioka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20090204284 | VEHICLE CONTROL SYSTEM - Provided is a vehicle control system which can maintain stability of the vehicle with an inexpensive configuration without bringing discomfort to a driver when control intervenes. The vehicle control system includes: road surface reaction torque detecting means | 08-13-2009 |
| 20100320450 | SEMICONDUCTOR SUBSTRATE, SEMICONDUCTOR DEVICE, LIGHT EMITTING DEVICE AND ELECTRONIC DEVICE - To provide a semiconductor substrate, a semiconductor device, a light emitting device and an electronic device which have a low price, a long lifetime, and a high luminescent efficiency, and moreover are capable of being bent. A graphite substrate having heat resistance and having flexibility with respect to external force, and a first semiconductor layer, provided on the graphite substrate, which is made of a nitride of the Group XIII are included, and a method such as pulse sputter deposition can be used in forming the first semiconductor layer on the graphite substrate, to thereby allow inexpensive manufacture to be possible. In addition, since the nitride of the Group XIII is an inorganic substance, it has a long lifetime, and thus a high luminescent efficiency can be obtained. Moreover, since the graphite substrate has flexibility with respect to external force, it can also be bent. | 12-23-2010 |
Masaaki Fujioka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20100108202 | METHOD OF MANUFACTURING HIGH TENSILE STRENGTH THICK STEEL PLATE - In a method of manufacturing a high tensile strength thick steel plate, a steel slab contains 0.03-0.055% of C, 3.0-3.5% of Mn, and 0.002-0.10% of Al, the amount of Mo is limited to 0.03% or less, the amount of Si is limited to 0.09% or less, the amount of V is limited to 0.01% or less, the amount of Ti is limited to 0.003% or less, the amount of B is limited to 0.0003% or less, and of which Pcm value representing a weld cracking parameter is fallen within the range of 0.20-0.24% and DI value representing a hardenability index is fallen within the range of 1.00-2.60, is heated to 950-1100° C. The steel slab is subjected to a rolling process with a cumulative draft of 70-90% when a temperature is in a range of 850° C. or more, and then, the steel slab is subjected to a rolling process at 780° C. or higher with a cumulative draft of 10-40% when a temperature is in a range of 780-830° C., and subsequently, accelerated cooling at a cooling rate of 8-80° C./sec is started from 700° C. or higher and is stopped at a temperature between room temperature and 350° C. | 05-06-2010 |
| 20110041965 | HIGH STRENGTH THICK-GAUGE STEEL PLATE SUPERIOR IN WELDABILITY AND HAVING TENSILE STRENGTH OF 780 MPA OR MORE AND METHOD OF PRODUCTION OF SAME - The present invention provides high strength thick-gauge steel plate superior in weldability and having a tensile strength of 780 MPa or more and provides a method of production of the high strength thick-gauge steel plate by omitting tempering heat treatment in the production. | 02-24-2011 |
Masashi Fujioka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20100327097 | FISHING SPINNING REEL - A fishing spinning reel that includes a rotor having a pair of opposing arms on both sides of a rotor body, wherein one of the pair of arms is provided with, at a forefront end thereof, a supporting member including a fishing line guide; a spool configured to wind up a fishing line through the fishing line guide; and a stiffening member extending from each of fore portions of the pair of the arms towards a rear portion of the rotor body. In one embodiment, the stiffening member is formed to be more spaced apart from the pair of the arms as approaching butt ends of the pair of the arms. In one embodiment, a portion of the stiffening member apart from the pair of arms may be connected to the rotor body. | 12-30-2010 |
Seiichirou Fujioka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20090267478 | EXTERNAL ELECTRODE FLUORESCENT LAMP AND MANUFACTURING METHOD OF THE SAME - An external electrode fluorescent lamp includes a glass tube made of soft glass, and external electrodes affixed to outer surfaces of both ends of the glass tube. The fluorescent lamp further includes a joining material applied between at least the glass tube and the external electrodes for affixing the external electrodes, which are made up of a material having a thermal expansion coefficient that is larger than that of the glass tube. According to the manufacturing method of the fluorescent lamp, first, the external electrodes are attached to the outer surface of each end of the glass tube, the external electrodes are then immersed in fused solder, and finally, the glass tube is cooled to room temperature. In this manner, the external electrodes are affixed to the outer surface of the glass tube via soldering. | 10-29-2009 |
Shinsuke Fujioka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20100072416 | HEAT-DISSIPATING RESIN COMPOSITION, SUBSTRATE FOR LED MOUNTING, REFLECTOR, AND SUBSTRATE FOR LED MOUNTING HAVING REFLECTOR PORTION - The objective of the present invention is to provide a heat-dissipating resin composition that is used for forming a substrate for LED mounting or a reflector provided on the substrate for LED mounting and is excellent in heat dissipation, electrical insulation, heat resistance and light resistance while an LED element emits light, a substrate for LED mounting and a reflector comprising the composition. The present composition comprises a thermoplastic resin such as modified PBT and a thermally conductive filler consisting of scaly boron nitride or the like, and has thermal deformation temperature of 120° C. or higher, a thermal conductivity of 2.0 W/(m·K) or higher, and a thermal emissivity of 0.7 or higher. | 03-25-2010 |
Toru Fujioka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20080237736 | SEMICONDUCTOR DEVICE - A technique capable of promoting miniaturization of an RF power module used in a mobile phone etc. is provided. A directional coupler is formed inside a semiconductor chip in which an amplification part of the RF power module is formed. A sub-line of the directional coupler is formed in the same layer as a drain wire coupled to the drain region of an LDMOSFET, which will serve as the amplification part of the semiconductor chip. Due to this, the predetermined drain wire is used as a main line and the directional coupler is configured by a sub-line arranged in parallel to the main line via an insulating film, together with the main line. | 10-02-2008 |
| 20080287090 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - The present invention is to provide a technique which optimizes a gate resistor of a bias circuit to thereby make it possible to greatly improve a distortion characteristic of a power amplifier. A bias circuit used as for biasing the gate of a final-stage power transistor is included in a power amplifier provided in a communication mobile system. In the bias circuit, an inductance and a resistor are series-connected between a power supply voltage and the gate of the power transistor. The resistance value of the resistor is set to approximately the same order as an input impedance of the power transistor. When the input impedance of the power transistor is about 10Ω or so, for example, the resistor is set to about a few Ω to about 100Ω. Thus, the gain of the power transistor at a low-frequency band can greatly be suppressed. | 11-20-2008 |
| 20100301947 | RF POWER AMPLIFIER - The RF power amplifier includes first and second amplifiers Q | 12-02-2010 |
Yoshifumi Fujioka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20080230586 | Method of Manufacturing Electric Resistance Welding Pipes Having Excellent Characterization of Welded Seams - A method of efficiently manufacturing electric resistance welding pipes having excellent characterization of welded seams is provided, by which each lateral edge of a rounded strip immediately before electric resistance welding is securely shaped with desired tapering flexibly in response to change in strip thickness, so that welding quality may be kept to be excellent. A method of manufacturing electric resistance welding pipes, in which a strip is subjected to forming, then edges thereof are formed to substantially face each other, and then the edges are subjected to electric resistance welding to form a pipe, wherein an edge and an edge opposed thereto at one of an upper-surface side and a lower-surface side of the strip are shaped with tapering before the forming by means of cutting or shaving, or finpass forming. | 09-25-2008 |
Yuki Fujioka, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20090134736 | Armature of Rotary Motor, Rotary Motor and Manufacturing Method Thereof - Stable electrical connections between coils and a commutator are realized without causing slackening of the coils wound on individual magnetic teeth. An armature of a rotary motor includes an armature core structured splittably into magnetic tooth members which are individually wound by concentrated-winding type coils, and a commutator having the same number of segments as the number of the magnetic tooth members, the individual segments having connecting terminals, wherein an end portion of the coil concentratedly wound on one of the magnetic tooth members is connected generally in a straight line to the connecting terminal of the segment which is located at a position offset in a circumferential direction by a specific angle from the aforementioned one magnetic tooth member, and a conductor line connected to the connecting terminal of the segment is concentratedly wound on another magnetic tooth member adjacent to the aforementioned one magnetic tooth member. | 05-28-2009 |
| 20110094089 | ARMATURE OF ROTARY MOTOR, ROTARY MOTOR AND MANUFACTURING METHOD THEREOF - The disclosure relates to the realization of stable electrical connections between coils and a commutator without causing slackening of the coils wound on individual magnetic teeth. An armature of a rotary motor includes an armature core structured splittably into magnetic tooth members which are individually wound by concentrated-winding type coils, and a commutator having the same number of segments as the number of the magnetic tooth members, the individual segments having connecting terminals, wherein an end portion of the coil concentratedly wound on one of the magnetic tooth members is connected generally in a straight line to the connecting terminal of the segment which is located at a position offset in a circumferential direction by a specific angle from the aforementioned one magnetic tooth member, and a conductor line connected to the connecting terminal of the segment is concentratedly wound on another magnetic tooth member adjacent to the aforementioned one magnetic tooth member. | 04-28-2011 |