baber/WOPTO huggingface dataset:
Patent JP-2009297308-A (JP)
Title: Imaging lens and capsule type endoscope
Inventor: BABA TOMOYUKI
IPC: A61B1/00
Filed: 2008-06-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an imaging lens for a capsule type endoscope which achieves sufficient corrections in magnification chromatic aberrations and distortion and is compact while being a wide-angle lens.  <P>SOLUTION: The imaging lens 21 forms an image of light from a spherical subject 13 on an imaging surface of a planar image pickup device and comprises a first lens L1 having negative refractive power, an aperture diaphragm S6, a second lens L2 having positive (or negative) refractive power, a third lens L3 having positive refractive power, and a fourth lens L4 having positive refractive power. A shape of the distal end of a capsule 12 and a cover glass 18 of the image pickup device 17 are taken into consideration in shapes and arrangements of the lenses L1-L4 and the aperture diaphragm S6 constituting the imaging lens 21, and the first lens L1, wherein the aperture diaphragm S6, the second lens L2, the third lens L3, and the fourth lens L4 are disposed in this order from the side of the subject 13.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009297762-A (JP)
Title: Bearing device for backup roll
Inventor: FUKAMI SATOYUKI
IPC: F16C19/26
Filed: 2008-06-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bearing device for back up rolls, wherein the torque is small, the life of a bearing is long and it stands up to the use for a long period.  <P>SOLUTION: A roller 24 with a holder for loading radial load, wherein a plurality of rollers 23 are held with a holder 24a is interposed between a tubular roll 13 and a shaft 12. By bringing the side face of the holder 24a of the roller 24 with the holder into contact with an annular component 16 which is provided on the surface of the inside diameter of the roll 13, the movement in the axial direction of the roller 24 with the retainer is restricted. An annular recessed part 16a for avoiding mutual contact is provided on either or both of the side face coming in contact with the holder 24a of the roller 24 with the holder in the annular parts 16 and the side face coming in contact with the annular component 16 of the holder 24a.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009002642-A (JP)
Title: Cooling element having adsorbent
Inventor: MAIER-LAXHUBER PETER
IPC: F25D3/00
Filed: 2008-06-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive and flexible adsorption cooling element and its manufacturing method.  <P>SOLUTION: In the cooling element with an adsorbent, the adsorbent can adsorb a vapor operating agent evaporated in an evaporation region 16 from the amount of a liquid operating agent in a vacuum, and a blocking device for preventing the operating agent vapor from flowing to the adsorbent until a cooling process is started is provided. The adsorbent and the evaporation region 16 are surrounded by a multilayer sheet. The evaporation region 16 has a fleece 5 and a flexible structure material both of which have flat flexible shapes pressed together against a container 14 to be cooled in a vacuum. The structure material can guide the operating agent vapor to the adsorbent after the start of the cooling element, and is maintained to open at least 1 cm<SP>2</SP>of a flow cross section for the operating agent vapor.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009081830-A (JP)
Title: Encoding processing method and device in moving image compression encoding
Inventor: TANAKA YASUHARU
IPC: H04N19/503
Filed: 2008-06-16
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem wherein a prior art system of determining an encoding mode does not consider an encoding amount, so that encoding in the selected encoding mode causes an encoding amount larger than that in the case where encoding is performed in the other modes and does not ensure high image quality and high compression.  <P>SOLUTION: In the encoding processing method, encoding processing is advanced until quantized DCT (discrete cosine transform) coefficients are generated in each of a plurality of encoding modes (110 to 113), an encoding mode ensuring the minimum encoding amount is determined on the basis of information of generation encoding amount in each encoding mode (120), and then a DCT coefficient of the determined encoding mode is selected for variable-length encoding (121, 209).  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2010001802-A (JP)
Title: Ejector
Inventor: OISHI SHIGEJI
IPC: F04F5/44
Filed: 2008-06-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ejector having improved mass-productivity and reduced manufacturing cost without depending on the amount of fluid to flow into a nozzle.  <P>SOLUTION: The pressure rising part of the ejector 15 consists of a first refrigerant passage 152e of a body part 152 and a second refrigerant passage 153a of a tubular member 153. Besides, in each of the first and second refrigerant passages 152e, 153a, there are provided a straight shaped portion which has a refrigerant passage area formed constant and a taper shaped portion which has a refrigerant passage area gradually larger in a refrigerant flowing direction. These are arranged in combination in sequence to make the refrigerant passage area of the pressure rising part stepwise larger in the refrigerant flowing direction. Thus, the refrigerant passage area on the inlet side of the tubular member 153 is enlarged into a refrigerant passage area which can be molded with plastic work, and the tubular member 153 is wholly formed with plastic work.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010003147-A (JP)
Title: Temperature control apparatus and optical transmission device
Inventor: WATANABE MANABU
IPC: H04B10/564
Filed: 2008-06-20
Abstract: <P>PROBLEM TO BE SOLVED: To stabilize temperature adjustment operation to suppress occurrence of noise.  <P>SOLUTION: A temperature adjustment device 11a approaches a temperature control object 10a, and adjusts a temperature according to a supplied current. A temperature adjustment driver 12a is applied with a control voltage to control the current. A temperature detection part 3 detects the temperature of the temperature control object 10a. A voltage-variable control part 4 variably outputs the control voltage Va such that the detected temperature becomes a target temperature to perform temperature equalization control. When the voltage-variable control part 4 recognizes that a value of the control voltage Va to be set enters a voltage range h wherein the temperature adjustment driver 12a malfunctions, the voltage-variable control part 4 comes into a period setting mode wherein setting of a first control voltage value v1 not causing the malfunction positioned near a minimum side of the voltage range h and a second control voltage value v2 not causing the malfunction positioned near a maximum side of the voltage range h is periodically repeated, avoids the voltage range h, and performs output control of the control voltage Va.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010001399-A (JP)
Title: Antistatic coating composition and film obtained by curing the same
Inventor: SAINOUCHI YUSUKE
IPC: B05D7/02
Filed: 2008-06-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an antistatic coating composition having high compatibility with a hard coat base, and provide an antistatic film which excels in antistatic properties, transparency, scratch resistance, has high hardness, and exhibits excellent adhesion to a plastic base material and water resistance.  <P>SOLUTION: The antistatic coating composition comprises 100 pts.wt. of a hard coat base containing at least one of a monomer containing a plurality of ethylene groups and a prepolymer containing a plurality of ethylene groups, 0.5-50 pts.wt. of a polar polymer compound consisting of a copolymer compound of a macromonomer having a repeating unit of an ion pair polar structure and a macromonomer containing a repeating unit of a monomer containing a fluorocarbon group, and at most 10 pts.wt of a nonpolar polymer compound containing a fluorocarbon group.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010001675-A (JP)
Title: Drain pipe and drain pipe burying method
Inventor: DATE KENSUKE
IPC: E21D9/04
Filed: 2008-06-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a drain pipe which can hardly cause expansion/contraction and torsion thereof even when buried in the ground using a rock drill, facilitate burying and connection work, and prevent breakage and degraded draining function, and to provide a drain pipe burying method.  <P>SOLUTION: A jacket pipe 1 is connected to a lost bit 3 arranged at a front end of a rod 2, and buried in the ground according to advancing of the lost bit 3 that advances upon transmission of the rotational excavation force of a rock drill 8, that is transmitted via the rod 2. The jacket pipe 1 is provided with a pipe jacket 11, and a front end cap 12 and a rear end cap 13 are provided to the front end and the rear end of the pipe jacket. Further the jacket pipe has steel wires 16 extending between the front end cap 12 and the rear end cap 13.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010001552-A (JP)
Title: Electrode for electrolysis and electrolysis unit
Inventor: KANEDA KAZUHIRO
IPC: C25B11/04
Filed: 2008-06-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrode for electrolysis efficiently forming ozone by electrolysis of an electrolyte solution (e.g., water) at ordinary temperature with a low current density, and to provide an electrolysis unit using the electrode.  <P>SOLUTION: The electrode 21 for electrolysis includes a base body 22 and a surface layer 25 formed on the surface of the base body 22. The surface layer 25 is a metal oxide having a thickness of 5-330 nm expressed in terms of metal, as measured by a fluorescent X-ray method, and a crystal structure being amorphous, as measured by an X-ray diffraction method.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010008574-A (JP)
Title: Wavelength conversion device using optical parametric oscillation
Inventor: SHO YOSHIHIKO
IPC: G02F1/39
Filed: 2008-06-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wavelength conversion device using optical parametric oscillation that is available in near-infrared and infrared wavelength regions.  <P>SOLUTION: The wavelength conversion device includes: a wavelength conversion element 4 wherein a periodically poled structure having positive and negative polarities alternated with a period d given by a formula (1):d=m/[(n3/3λ)-(n2/2λ)-(n1/1λ)] is formed in a nonlinear optical crystal to, by using quasi phase matching, output light beams 2 and 3 at frequencies ω1 and ω2 satisfying ω3=ω1+ω2 in response to incidence of a light beam 1 at the frequency ω3; and an optical resonator 5 wherein this element 4 is disposed. The nonlinear optical crystal includes a nitride single crystal. In the formula (1), m is the degree of phase matching, and λ1, λ2, and λ3 are wavelengths of light beams at frequencies ω1, ω2, and ω3, respectively, and n1, n2, and n3 are refractive indexes of the nitride single crystal for light beams at frequencies ω1, ω2, and ω3, respectively.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010007124-A (JP)
Title: Method for producing silver-containing powder, silver-containing powder, and dispersion liquid thereof
Inventor: TAKAHASHI AKIO
IPC: B22F9/00
Filed: 2008-06-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide silver-containing powder in a dry state comprising silver nanoparticles of ≥95 mass% in silver-containing powder and having preservation stability and re-dispersibility, to provide a dispersion liquid of silver-containing powder obtained by re-dispersing the same and capable of low temperature fusion, and to provide their production methods having excellent industrial productivity.  <P>SOLUTION: Disclosed is a method for producing silver-containing powder comprising: a step (1) wherein a silver compound is reduced into silver nanoparticles (Z) in an aqueous medium in the presence of a compound (X) formed in such a manner that polyethylene glycol is combined with an amino group in polyethylene imine or a compound (Y) formed in such a manner that polyethylene glycol and an epoxy resin are combined with an amino group in polyethylene imine; a step (2) wherein an organic solvent is added to a mixture of the compound (X) or the compound (Y), the silver nanoparticles (Z) and the aqueous medium, and centrifugal concentration is performed; and a step (3) wherein the concentrate obtained in the step (2) is dried. Also disclosed is silver-containing powder obtained by the method. Also disclosed is a dispersion liquid obtained by re-dispersing the same.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010007143-A (JP)
Title: Steel for machine structure having excellent fatigue limit ratio and machinability
Inventor: ANAMI GORO
IPC: C22C38/38
Filed: 2008-06-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a steel for a machine structure which satisfies both a condurance ratio and machinability in a well balance even without depending on the use of machinability improving elements, and further can be easily produced.  <P>SOLUTION: Disclosed is a non-temper steel having a composition comprising 0.15 to 0.55% C, 0.01 to 1.5% Si, 0.5 to 2% Mn, 0.01 to 0.2% P, 0.01 to 0.2% S, ≤0.015% (excluding 0%) Al, 0.1 to 1.5% Cr, 0.002 to 0.02% N, 0.001 to 0.005% O, 0.03 to 0.5 V, and the balance iron with inevitable impurities, and in which the total structural fraction between ferrite and pearlite is ≥95% in area ratio, and Gf grain size number of old austenite crystal grains prescribed in JIS G0551 is controlled to No.5 or above.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010006312-A (JP)
Title: Fender protector and vehicle mounted with the fender protector
Inventor: KOYAMA MOTOMU
IPC: B62D25/18
Filed: 2008-06-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fender protector capable of effectively reducing noise such as chipping noise, pattern noise and road noise even if the thin fender protector is used.  <P>SOLUTION: In this fender protector 1, a sound absorbing material 15 is disposed to stretch over a rib 13 stood on a rear face of the fender protector 1, and a space surrounded by the rear face of the fender protector 1, a side face of the rib 13 and the sound absorbing material 15 is constituted as a closed sound absorbing chamber 20. Noise such as chipping noise generated by abutting of a pebble etc. on the fender protector is efficiently absorbed by the sound absorbing material 15 and the sound absorbing chamber 20.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010008970-A (JP)
Title: Light irradiation device and image forming apparatus
Inventor: TSUTSUMI MASAHIRO
IPC: G03G21/08
Filed: 2008-06-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a charge elimination device capable of suppressing unevenness of light quantity.  <P>SOLUTION: The charge elimination device 10 comprises: a plurality of light sources 2 for emitting light, which is disposed on a straight line; and a light guide plate 3 for guiding the light emitted from the light sources 2 to a photoreceptor drum 101. The light guide plate 3 includes an incident face 32 on which the light from the plurality of light source 2 is incident, and an outgoing face 31 through which the incident light is emitted. The apparatus further comprises reflecting films 6 provided closely on at least side surfaces 33 at both ends of the light guide plate 3, and the incoming face 32 is opposed to the outgoing surface 31.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010015713-A (JP)
Title: Led lamp
Inventor: FUKUI HIROYUKI
IPC: F21S2/00
Filed: 2008-07-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a low-cost LED lamp that is used an alternative to a circular fluorescent lamp.  <P>SOLUTION: The LED lamp A comprises a substrate 3A with a predetermined thickness, and a plurality of LED modules 4 mounted on a surface of the substrate 3A. The substrate 3A is annularly formed by combining a plurality of curved substrates 3 formed in an arc shape. The plurality of curved substrates 3 have a predetermined width radially, and a curvature of a radial outer side edge 31 and a curvature of a radial inner side edge 32 are equal viewed from the thickness direction of the substrate 3A.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009029702-A (JP)
Title: Method for producing zinc oxide fine particle and dispersion of zinc oxide fine particle prepared by the method
Inventor: IZUMI REIKO
IPC: C01G9/02
Filed: 2008-07-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing zinc oxide fine particles where alkali-free zinc oxide fine particles can be obtained without passing many steps and with high productivity, where the zinc oxide fine particles having high crystallinity and superior dispersibility can be prepared and where the shape of the fine particles can be controlled to be a desired shape.  <P>SOLUTION: The method for producing the zinc oxide fine particles is characterized in that comprises a step of preparing a zinc-containing solution by mixing a zinc compound and acetic acid with water and a step of generating the zinc oxide fine particles having a mean particle diameter of 100 nm or less by dropping the prepared zinc-containing solution into a glycol under the irradiation of a microwave and by keeping temperature at 5-200°C.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2010013992-A (JP)
Title: Engine control device
Inventor: SHIMIZU MASAHIRO
IPC: F02D23/00
Filed: 2008-07-02
Abstract: <P>PROBLEM TO BE SOLVED: To reduce NOx emissions by increasing chances to perform EGR feedback control.  <P>SOLUTION: When an engine operating range falls in a cooperative control range, the upper limit of the I term gain of supercharging pressure feedback control is regulated with an I-term guard value Io, and when the I-term gain reaches the I-term guard value Io, changeover to open loop control is performed. When supercharging pressure control is changed over to supercharging pressure open loop control, an EGR control section 50b calculates a target fresh air volume correction value Qk compensating shortage of supercharging by the supercharging pressure open loop control by a target fresh air volume supercharging pressure guard correction value calculation section 73. Then, corrected target fresh air volume Qα is calculated by subtracting the target fresh air volume correction value Qk from target fresh air volume Qo by a corrected target fresh air volume calculation section 74. After that, a fresh air volume deviation Qσ is calculated from a difference between the corrected target fresh air volume Qα and the actual fresh air volume Qa by a fresh air volume deviation calculation section 75, and an EGR feedback correction value λEGR is set based on the fresh air volume deviation Qσ by a feedback correction value calculation section 78.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009018413-A (JP)
Title: Protection device for motor spindle
Inventor: JAKOB LUDWIG
IPC: B23Q5/58
Filed: 2008-07-03
Abstract: <P>PROBLEM TO BE SOLVED: To protect a motor spindle from damage caused by an impact.  <P>SOLUTION: There is provided a protection device for a motor spindle (1) disposed in a housing of a machine tool including an inner ring (6) fixed and connected to the motor spindle (1), and an outer ring connected to a housing (2). The inner ring (6) is disposed in the outer ring (7) so as to perform axial movement and inclining movement, and placed under a preload that elastically expands to the outer ring (7) by a preload imparting member (8).  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2010014047-A (JP)
Title: Impeller for centrifugal pump
Inventor: TARUI MOTONOBU
IPC: F04D29/24
Filed: 2008-07-04
Abstract: <P>PROBLEM TO BE SOLVED: To simplify mounting structure of a lid 62 mounted to an impeller (impeller body 61) for a centrifugal pump and simplify its assembly work.  <P>SOLUTION: On the back face of the lid body 62 mounted and fixed to the impeller body 61 via an engagement means, a pressing part 624 of a balance weight 63 is formed. The balance weight 63 is fixed by being sandwiched between the pressing part 624 of the lid body 62 and the impeller body 61 along with mounting and fixing of the lid body 62 to the impeller body 61.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2008295074-A (JP)
Title: Cylindrical metal case with bottom and its manufacturing method, and ultrasonic oscillator using cylindrical metal case with bottom, and ultrasonic flowmeter having ultrasonic oscillator
Inventor: IRIE YASUSUKE
IPC: H04R31/00
Filed: 2008-07-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a highly precise and reliable ultrasonic oscillator and an ultrasonic flowmeter, by realizing a case having flat case top face with no fear of stress corrosion crack with respect to the case used for an ultrasonic oscillator and made by cut or press and integral moulding.  <P>SOLUTION: The case was formed by cut or press and integral molding is subjected to heat treatment within 60 minutes at heat treatment temperature of 150-300°C. At this time, temperature rising speed is made 5°C/min or smaller and cooling rate is made 1.0°C/min or smaller. Then, the case having a case top face of degree of planarity of 5 μm or smaller with no fear of stress corrosion crack can be realized.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2010021188-A (JP)
Title: Semiconductor power conversion module
Inventor: IWATSUKI YASUHITO
IPC: H01L25/18
Filed: 2008-07-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor power conversion module whose shape is made compact and which can reduce the number of connection places caused by connection lines.  <P>SOLUTION: A first conductor 9 is configured such that tips of extension conductor portions 10C to 12C of second conductors 10 to 12 are exposed beyond a first DC line constitution portion 16. The tips of the extension conductor portions of the second conductors 10 to 12 are respectively connected to input/output electrodes of semiconductor switch elements 1A, 1C, and 1E bonded to an element bonding portion of the first conductor 9 through connection lines L1 to L3. A second DC line constitution portion 22 which constitutes a second DC line N is embedded in a partition portion 26 of a housing 23. The second DC line constitution portion 22 extends along the first DC line constitution portion 16 while electrically insulated from the first DC line constitution portion 16, and also electrically connected to input/output electrodes of semiconductor switch elements 1B, 1D, and 1F through connection lines L4 to L6.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010019599-A (JP)
Title: Jig for inspecting semiconductor chip, apparatus and method for inspection, and method of manufacturing semiconductor device
Inventor: SAWA NOBUHIRO
IPC: G01R31/26
Filed: 2008-07-08
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that the positions of suction holes have had to be individually designed for each type of carrier tapes having different designs in a jig for inspection.  <P>SOLUTION: In the jig 10 for inspection, a carrier tape provided with both a device region formed in a band shape in which semiconductor chips and conductor patterns electrically connected to them are repeatedly arranged in the direction of travel and a non-device region also formed in a band shape, provided for the sides of the device region, and formed by aligning a plurality of sprocket holes in the direction of travel is pressed to a probe to inspect the characteristics of semiconductor chips. A pressing surface 20 for pressing the carrier tape includes opening parts 22 of the suction holes 21 for adhering the carrier tape by suction to a common part opposite region FCA opposed to a region which is the non-device region and in which the sprocket holes are not formed.  <P>COPYRIGHT: (C)2010,JPO&INPIT