baber/WOPTO huggingface dataset:
Patent JP-2004014406-A (JP)
Title: Electron source device, its manufacturing method and display device
Inventor: ITO TAKEO
IPC: H01J9/02
Filed: 2002-06-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a low-cost and long-life electron source device with a high electron emission capacity.  <P>SOLUTION: The electron source device is provided with a porous insulating layer (for instance, a porous alumina layer) equipped with a number of microholes (nano-holes) arrayed in a vertical direction, a first conductor layer arranged on the face of a opening side of the nano-holes, a conductive layer made inside the nano-holes consisting of a conductor or a semiconductor, and a second conductor layer and a bottom side end part of the nano-holes and the second conductor layer are separated by a barrier layer made of a dielectric. It is so structured that electrons are emitted in a direction contrary to the direction headed from the second conductor layer to the barrier layer by voltage impressed between the first conductor layer and the second conductor layer.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004013008-A (JP)
Title: Variable optical filter
Inventor: FUKUSHIMA NOBUHIRO
IPC: G02F1/09
Filed: 2002-06-10
Abstract: <P>PROBLEM TO BE SOLVED: To improve linearity obtained when a loss wavelength characteristic is logarithmically displayed over provided wide operation band width and to reduce the variation of an average insertion loss.  <P>SOLUTION: In a variable optical filter, a 1st polarizer 10, a 1st phase difference element 12 for generating a phase difference, a variable Faraday rotator 14, a 2nd phase difference element 16 for generating a phase difference, and a 2nd polarizer 18 are arrayed in order along an optical axis. When the rotational direction of a rotation angle θ of the Faraday rotator 14 is positive (θ > 0), an angle δ formed by the polarized light transmitting azimuth of the 1st polarizer 10 and the polarized light transmitting azimuth of the 2nd polarizer 18 is δ > 0, an angle ψ<SB>1</SB>formed by the optical axis of the 1st phase difference element 12 and the transmitted polarized light azimuth of the 1st polarizer 10 is ψ<SB>1</SB>< 0, an angle ψ<SB>2</SB>formed by the optical axis of the 2nd phase difference element 16 and the transmitted polarized light azimuth of the 1st polarizer 10 is ψ<SB>2</SB>< 0, and ψ<SB>1</SB>≠ ψ<SB>2</SB>is set up.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004015671-A (JP)
Title: Signal detection processing circuit
Inventor: TAZAKI SHINICHI
IPC: H04B10/67
Filed: 2002-06-10
Abstract: <P>PROBLEM TO BE SOLVED: To eliminate an influence of the distributed constant in an environment for use or within a circuit and to improve the S/N of an output signal at a low cost.  <P>SOLUTION: The signal detection processing circuit is composed of a main signal system composed of a signal converting part 10, an amplifier part 20 and a low-pass filter 30, and a feedback control system composed of an automatic gain control part 40 for producing a control signal Sc corresponding to an output signal of the low-pass filter 30 and feeding the control signal back to the main signal system. Then, a current/voltage converting part 12 of the signal converting part 10 has a de-emphasis function for decreasing high frequency components in a signal, and the amplifier part 20 is equipped with an emphasis circuit 23 for increasing the high frequency components in an electric signal and varying the gain by the control signal Sc.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004015033-A (JP)
Title: Semiconductor circuit and its manufacturing method
Inventor: NAKANO TAKASHI
IPC: H01L23/522
Filed: 2002-06-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device in which a low impedance characteristic required for a decoupling circuit can be ensured at frequencies up to several hundred MHz, or up to several tens of GHz or more.  <P>SOLUTION: In the semiconductor circuit in which a power source wiring 5 and a ground wiring 3 are arranged so as to be opposed to each other, relating to a part of each opposed wirings 3, 5, the ground wiring 3 has protruding parts which form a comb shape viewing from a vertical face in the direction of transmission and extend in the direction of transmission, and the power source wiring 5 also has protruding parts which form a comb shape viewing from the vertical face in the direction of transmission and extend in the direction of transmission. Both are combined with each other through an insulating film 4 having the same thickness.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004016832-A (JP)
Title: Photocatalyst filter
Inventor: YOSHIDA KEIICHIRO
IPC: B01D39/14
Filed: 2002-06-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a photocatalyst filter in which light reaches the inner part of a cell C and an active area is wide in the honeycomb-like photocatalyst filter 1 having excellent air permeability.  <P>SOLUTION: In the honeycomb-like filter 1 with the photocatalyst carried thereon 2, on the inner surfaces of the respective cells C, fine reflection members 3 together with the photocatalyst 2 are carried. In the present invention, it is aimed that light is reflected by a glass surface and a metal surface. The fine reflection member 3 for reflecting the light is formed of these materials and is arranged on the inner surfaces of the respective cells C to a degree that exposure of the photocatalyst 2 is not inhibited. Thereby, since the light intruded from an entrance of the respective cells C is repeatedly reflected by the reflection member 3 and reaches the inner part, it can be made to the photocatalyst filter having the wide active area.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004021319-A (JP)
Title: Data providing device, data generating device, data providing method, program and recording medium
Inventor: KITAWAKI HARUYUKI
IPC: H04L12/701
Filed: 2002-06-12
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a load of a network; and to improve communication efficiency in the network.  <P>SOLUTION: A control terminal 102 transmits a data request command including data for indicating a classification of a terminal to a network apparatus 101. The network apparatus 101 extracts classification information on the terminal from the received data request command, and transmits the data for indicating the extracted terminal classification and data for indicating a classification of the network apparatus to a server 103. The server 103 generates data by each terminal from the data for indicating the terminal classification and the data for indicating the classification of the network apparatus, and transmits the data by each terminal to the network apparatus 101. The network apparatus 101 transmits the data by each terminal to the control terminal 102.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004016036-A (JP)
Title: Apparatus for sucking and holding microobject
Inventor: MURAYAMA YOSHINOBU
IPC: B25J7/00
Filed: 2002-06-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus for sucking and holding a microobject surely sucking and holding an egg cell, or the like, small in size and having a readily broken surface and transferring the egg cell, or the like, to an aimed place without requiring skill.  <P>SOLUTION: This apparatus for sucking and holding the microobject is equipped with a glass pipet tube having an opening of about 130 μm at the tip, a large-caliber sealing part at the other end and having a heating part arranged near the sealing part and a power source part for heating the heating part. The heating part is preenergized for a prescribed time and heated to expand internal air in the glass pipet tube to produce a positive pressure at the tip. In this state, the egg cell of a human, an animal, or the like, is brought into close contact with the tip and the energization is then cut off to keep the glass pipet tube in a cooled state. The internal air is contracted to produce a negative pressure at the tip. Thereby, the egg cell, or the like, is sucked and held.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004020886-A (JP)
Title: Optical fiber cable
Inventor: SAOTOME HIROYUKI
IPC: G02B6/44
Filed: 2002-06-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cable structure allowing sure, easy and safe taking out of a cable core, even if the cable core is buried in one sheath after tearing the cable sheath.  <P>SOLUTION: A tape 8 and an optical cord 4 can be easily taken out of the sheath 6 continuously by the fingers, by multiply winding the tape 8 on the outer circumference of the optical cord 4, an example of the cable core, with a small angle from 0.5-10 degree, and providing the sheath on the outer side thereof. By this way, the overlapping part of the the tape 8 multiply wound with a small angle is intermittently exposed on the outer surface of the optical cord 4 fitted in the sheath 6 in a slightly raised state, so that the optical cord 4 is taken out of the sheath 6 by drawing out a part of the optical cord 4 by pinching the tape 8 with the fingers after picking out the overlapping part with the fingers or nails little by little.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004018466-A (JP)
Title: Ruthenium compound, its manufacturing method and ruthenium-containing thin film obtained from the same
Inventor: HIRAKOSO HIDEYUKI
IPC: C07F15/00
Filed: 2002-06-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ruthenium compound which exhibits good vaporization characteristics by a metal organic chemical vapor deposition method using a solid sublimation method, and a ruthenium-containing thin film excellent in step coverage and surface morphology and exhibiting good electric characteristics.  <P>SOLUTION: The ruthenium compound comprises a bis(cyclopentadienyl)ruthenium complex, where the content of zinc contained in the compound is at most 5 ppm.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004022115-A (JP)
Title: Head slider
Inventor: YAMAZAKI TAKANORI
IPC: G11B21/21
Filed: 2002-06-19
Abstract: <P>PROBLEM TO BE SOLVED: To extend a useable recording region of a magnetic disk, and to obtain a proper follow-up property to the magnetic disk, without miniaturizing the dimension of a magnetic head slider itself.  <P>SOLUTION: A disk facing surface 4 consists of a groove part 7 which continues from an air inflow end 2 and which does not influence the floating characteristic and a floating surface 5 which has the floating characteristic. The floating surface 5 is composed of a step bearing surface 8a positioned on the side from the groove part 7 to an air outflow end 3, rail surfaces 6a and 6b, and a negative pressure groove 9.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003151906-A (JP)
Title: Semiconductor device and manufacturing method thereof
Inventor: HARA AKITO
IPC: H01L21/336
Filed: 2002-06-20
Abstract: PROBLEM TO BE SOLVED: To form an operating semiconductor film by a small semiconductor thin film, where the effect of a grain boundary is negligible, and to achieve a thin-film type semiconductor device having very high mobility. SOLUTION: An amorphous silicon film 3 is formed, where the amorphous silicon film has wide and narrow regions 3a and 3b, and a shape where connection is made, so that the narrow region 3b is asymmetrically positioned with respect to the wide region 3a. While a polycrystalline silicon film 5 is surrounding the narrow region 3b from a side as a temperature retention film via a silicon oxide film 4, CW laser beam is made to scan for crystallizing toward the narrow region 3b from the wide region 3a, and an operating semiconductor film 11 is formed.
Patent JP-2004029888-A (JP)
Title: Collaboration system
Inventor: OZAWA SHIGEHISA
IPC: G06F21/10
Filed: 2002-06-21
Abstract: <P>PROBLEM TO BE SOLVED: To increase the extent of use of a collaboration work over a network by applying a right to each user in detail.  <P>SOLUTION: Already existing collaboration systems (100, 110, 120, 140, 150) in which the same application is simultaneously operated by a plurality of users over a network are added with right management systems (130, 160). The right management system holds and manages a right given to each user for the shared application, and permits or not permits the operation of the user to the shared application based on the right. In this case, the user who is permitted or not permitted to share the application or the user who is permitted or not permitted to browse, operate, or input the shared window is defined in the held and managed right.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003086713-A (JP)
Title: Sram device
Inventor: YAMAUCHI HIROYUKI
IPC: H01L21/8244
Filed: 2002-06-24
Abstract: PROBLEM TO BE SOLVED: To reduce the cell area of an SRAM device, while suppressing increase of amplification delay in its bit line. SOLUTION: In a CMOS SRAM device having its memory cell comprising six transistors, the channel widths (gate widths) of drive and access transistors MN1, MN3 which constitute one of the two sets of CMOS inverters are made nearly equal to each other and are made larger than the channel widths of drive and access transistors MN0, MN2 which constitute the other of the two sets of CMOS inverters. Also, between the basic circuits comprising the two sets of CMOS inverters, the off-leakage currents of the inverters are made unsymmetrical to cut down the leakage current of the SRAM device which is generated in its waiting time, while securing the large cell-current of one of the two sets of CMOS inverters.
Patent JP-2004030813-A (JP)
Title: Optical disk apparatus and method of controlling the optical disk apparatus
Inventor: AMAN YASUTOMO
IPC: G11B7/085
Filed: 2002-06-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk apparatus that employs a stabilizing member for stabilizing the surface vibration of an optical disk by utilizing air pressure by the Bernouilli's principle in the case of recording / reproducing information by using an optical disk being a flexible sheet, properly adjusts a relative positional relation between the stabilizing member and the optical disk, and surely makes the focal position of an optical pickup coincide with the surface vibration stabilizing position of the optical disk so as to stabilize the recording and / or reproducing operations.  <P>SOLUTION: A servo drive signal of a servo drive system applying tracking control to the focal position of the optical pickup 6 to track the face of the optical disk 1 is monitored, and the position in a Z axial direction and the tilt angle of the stabilizing member 8 are adjusted by operating a Z axis direction stabilizing member / pickup unit position control section 40, an X axis direction stabilizing member / pickup unit tilt angle control section 42, and a Y axis direction stabilizing member / pickup unit tilt angle control section 43 so that the maximum amplitude of the servo drive signal is a reference value that is optionally set or below.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004025122-A (JP)
Title: Drainage treatment apparatus and drainage treatment method
Inventor: NAGAI MASAHIKO
IPC: C02F1/461
Filed: 2002-06-27
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a loss due to side reaction at electrodes, to enhance the removal efficiency and to lower the outlet concentration of COD (chemical oxygen demand), T-N or the like.  <P>SOLUTION: This drainage treatment apparatus is equipped with at least two electrolytic cells in which each of electrolytic cells includes an anode, a cathode and the diaphragm dividing each of the electrolytic cells into an anode chamber and a cathode chamber, and, first flow passages which communicate with the anode and cathode chambers of at least two electrolytic cells and of which the number is equal to the number of the electrolytic cells, second flow passages which communicate with at least two electrolytic cells and of which the number is less than the number of electrolytic cells by one, and a power supply for supplying a current to at least two electrolytic cell, the above-mentioned at least two electrolytic cells are arranged in series with respect to the stream of raw water to be treated and electrically arranged to the power supply in series so that the anode of one electrolytic cell is connected to the cathode of the adjacent electrolytic cell arranged in series, and current flows to all of the electrolytic cells.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004029594-A (JP)
Title: Rotation detector and lens driving device
Inventor: OE HARUKI
IPC: G02B7/08
Filed: 2002-06-28
Abstract: <P>PROBLEM TO BE SOLVED: To miniaturize a rotation detector provided with an impeller and an optical sensor.  <P>SOLUTION: A first rotor 110 and a second rotor 120 having a plurality of blades are formed such that they are integrally rotated on the same axis and the phases of the blades are different from each other, and a first optical sensor 130 and a second optical sensor 140 respectively cooperating with the first and second rotors 110 and 120 are arrayed so as to be parallel with the rotary shafts. Thus, the rotation amount and rotation direction of a body to be detected are detected, space is saved in a direction vertical to the rotary shaft, width is narrowed and miniaturization or the like is achieved.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004035640-A (JP)
Title: Transparent flame-retardant resin composition and resin molding using the same
Inventor: MORIUCHI KIYOAKI
IPC: C08L25/08
Filed: 2002-07-01
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a resin molding using a halogen-free resin composition which is applied to a part so as to distinguish the inside of the part and has transparency, flame retardance and flexibility.  <P>SOLUTION: The transparent flame-retardant resin composition comprises 100 parts wt. of a styrene-based resin having ≥40 wt.% and ≤90 wt.% styrene content and ≥50 parts wt. and ≤180 parts wt. of a metal hydroxide. Two or more kinds of styrene-containing resins mixed so as to have the range of the styrene content are preferably used as the styrene-based resin. Magnesium hydroxide or aluminum hydroxide is preferably used as the metal hydroxide. The resin molding having ≤1 mm thickness is preferably used.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004040895-A (JP)
Title: Permanent magnet, part for motor, and motor
Inventor: OKONOGI ITARU
IPC: H02K15/03
Filed: 2002-07-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a permanent magnet, parts for a motor, and the motor, which have little influence on an apparatus equipped with the motor, especially a hard disk drive or the like.  <P>SOLUTION: This permanent magnet 1 has a roughly cylindrical magnet body 11, a substrate layer 13 formed at least at part of the surface of the magnet body, and a covering layer 12 forming an outmost surface. The covering layer 12 is constituted mainly by polyparaxylilene resin. When an average thickness of the covering layer 12 on an inner-periphery surface side of the magnet body 11 is taken as Di [μm], and an average thickness of the covering layer 12 on an outer-periphery surface side of the magnet body 11 is taken as Do [μm] , a relationship of Di < Do is satisfied. The average thickness Di of the covering layer 12 on the inner-periphery surface side of the magnet body 11 is 2.0-15.0 μm. The average thickness Do of the covering layer 12 on the outer-periphery surface side of the magnet body 11 is 15.0-35.0 m.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004036478-A (JP)
Title: Structure of closing assembly opening portion of engine
Inventor: WAKECHIGAI KAORU
IPC: F02F1/24
Filed: 2002-07-03
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the size of a cylinder head, improve machining accuracy and require less machining processes by allowing a cam shaft and a rocker shaft to be arranged adjacent to each other in an engine having the cam shaft and the rocker shaft to be assembled on the cylinder head at one side wall.  <P>SOLUTION: First and second assembly opening portions 87, 98 corresponding to the cam shaft 68 and the rocker shaft 69, respectively, are provided on one side wall of the cylinder head 41 in a mutually independent manner. One of first and second cover members 88, 99 for individually closing the first and second assembly opening portions 87, 98 is fitted to one of the first and second assembly opening portions 87, 98 so as to be preventive of movement inward to the axial direction, while the other is fixed to the cylinder head 41 in engagement with the outer face of one of the first and second cover members 88, 99.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004033918-A (JP)
Title: Water cleaning method and equipment therefor
Inventor: NOMOTO TAKASHI
IPC: A01G31/06
Filed: 2002-07-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water cleaning method capable of easily cleaning the water of lakes and marshes, preventing the outflow of soil and easy in arrangement or maintenance, and equipment therefor.  <P>SOLUTION: A plurality of planting units 1a for hydroponic culture are arranged stepwise in the vicinity of lakes and marshes 3. Water containing nutritive salts pumped up from the lakes and marshes is supplied to the planting unit 1a positioned at the uppermost stage and distributed from the planting unit 1a positioned at the uppermost stage to the planting unit 1a positioned at the lowermost stage to grow plants in the planting units 1a to remove nutritive salts.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003065542-A (JP)
Title: Cooking apparatus
Inventor: TAKAHASHI KATSUNAO
IPC: F24C7/04
Filed: 2002-07-05
Abstract: PROBLEM TO BE SOLVED: To provide a cooking apparatus which evenly supplies microwaves to a heating chamber and conducts high-energy heating. SOLUTION: The cooking apparatus is provided with a body frame 5, the heating chamber which is disposed in the frame 5, a magnetron 12 which is disposed on the right side of the frame 5, namely the right side of the heating chamber, an upper sheet heater 13 which is disposed at the upper portion of the frame 5, and a heater unit 140 having a lower heater 14 and a fan 14a which is disposed at the rear portion of the frame 5. In a heating mode, the upper heater mainly heats the upper part of the heating chamber, and the heater unit 140 heats the lower part of the heating chamber. Microwaves that have been oscillated by the magnetron 12 are supplied to the interior of the heating chamber from the underneath thereof.
Patent JP-2004040740-A (JP)
Title: Manual focus equipment
Inventor: FUJISHI SHIGEO
IPC: G03B9/02
Filed: 2002-07-08
Abstract: <P>PROBLEM TO BE SOLVED: To perform focus adjustment in reference to a focus status displayed based on misalignment of images picked up while moving a diaphragm in a direction perpendicular to an optical axis.  <P>SOLUTION: An aperture diaphragm is provided, which can be shifted right and left on an object light path. An extent of out-of-focus is obtained by detecting misalignment between the image picked up when the aperture diaphragm is shifted right, and that picked up when it is shifted left. A split image is created based on the image picked up when the aperture diaphragm is shifted right and the image picked up when the aperture diaphragm is shifted left, and displayed on a monitor. An operation quantity of a focus ring is detected by a ring sensor 7a, a motion quantity of the split image is calculated based on the extent of out-of-focus, the operation quantity of the focus ring, and the split image moving relative to the focusing operation is displayed.  <P>COPYRIGHT: (C)2004,JPO