baber/WOPTO huggingface dataset:
Patent JP-2001288188-A (JP)
Title: Phthalocyanine crystal, preparative method for the same, electrophotographic photoreceptor electrophotographic apparatus
Inventor: TANAKA MASATO
IPC: G03G5/06
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having a high sensitivity, especially a high sensitivity to a characteristic in semiconductor laser wavelength range, voltage stability in repeated use and low in image defect, especially black macular fogging in inversion developing, and a phthalocyanine crystal capable of applying to the photoreceptor, and also to provide preparative method for the crystal, a process cartridge having the photoreceptor and an electrophotographic device. SOLUTION: This phthalocyanine crystal includes the phthalocyanine and a (substituted) polycyclic hydrocarbon, and the preparative method for the crystal, the electrophotographic photoreceptor having a photosensitive layer including the phthalocyanine crystal, the process cartridge having the electrophotographic photoreceptor and the electrophotographic device.
Patent JP-2002226903-A (JP)
Title: Equipment for manufacturing fine metal ball
Inventor: ISHIMOTO YASUSHI
IPC: B22F9/08
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To provide equipment for manufacturing fine metal balls using a uniform droplet atomizing process in which the unevenness of ball diameter and shape of the balls are reduced and the solidified structure is uniformized. SOLUTION: The equipment for manufacturing the fine metal balls has: a molten-metal pushout section which has a crucible 3 having an orifice 2 and holding molten metal and a vibration-exciting part for applying vibrations to the molten metal; and a solidification chamber 7 in which the molten metal pushed out through the orifice is allowed to move and solidify. This manufacturing equipment is provided with a heat exchanger for regulating the temperature of gas in the solidification chamber. This heat exchanger is constituted of: a heat exchange part 15 provided to the wall of the solidification chamber; a heat-transfer medium circulating through the inside of the heat exchange part 15; and a temperature control part 16 for controlling the temperature of the heat-transfer medium.
Patent JP-2002231250-A (JP)
Title: Lithium ion secondary battery and method of manufacturing the same
Inventor: KUBOTA KAZUNORI
IPC: H01M10/0525
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To improve the conductivity of a conventional lithium ion secondary battery. SOLUTION: This lithium ion secondary battery comprises a positive electrode-side collector 1, a positive electrode layer 2 having a positive electrode- side active material containing at least lithium, a separator 3 containing an electrolyte, a negative electrode layer 4 having a negative electrode-side active material, and a negative electrode-side collector 5, and the positive electrode layer 2 and/or the negative electrode layer 4 includes at least one kind of carbon black and at least one kind of graphite carbon.
Patent JP-2002223772-A (JP)
Title: Catalase a gene
Inventor: HISADA HIROMOTO
IPC: C12R1/69
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To produce catalase in a large amount by using a catalase gene newly isolated from Aspergillus oryzae, and to enable the application of the catalase to (1) various industrial fields such as the decomposition of hydrogen peroxide and to (2) a medicinal field such as the production of a vaccine for preventing aspergillosis. SOLUTION: Catalase A gene originated from Aspergillus oryzae is cloned, and the base sequence of the catalase A gene is determined. The cloned new gene is inserted into a vector to transform a host (Aspergillus oryzae). The transformant can be cultured to produce the gene in a large amount.
Patent JP-2002229638-A (JP)
Title: System maintenance control device and storage medium storing program for executing system maintenance control
Inventor: HATANO HISAAKI
IPC: G05B23/02
Filed: 2001-02-06
Abstract: PROBLEM TO BE SOLVED: To predict a failure and to recognize capacity by a controller in advance. SOLUTION: This system maintenance control device for controlling working states for a plurality of object equipment constituting a monitoring control device is provided with a hardware data storing device 15 for storing control items for the maintenance objects together, a hardware registering means 11 for reading a desired maintenance object in the hardware data storing device 15 and enforcing an alteration contents processing, a hardware calculation means 13 for reading each registered maintenance object and deciding whether the equipment is within a control time limit determined in advance or not, a hardware alarm means 14 for performing an alarm output to the object equipment exceeding the control time limit and a printing means 18.
Patent JP-2002228310-A (JP)
Title: Method for making desalted frozen ice of deep sea water
Inventor: GOTO ICHIRO
IPC: F25C1/00
Filed: 2001-02-06
Abstract: PROBLEM TO BE SOLVED: To suppress the amount of salt included in frozen ice as small as possible, enhance productivity and obtain desalted frozen ice of deep sea water free from freezing in heterogeneous mixture. SOLUTION: The deep sea water contained in a container is cooled by keeping the temperature of a cooling medium at around an eutectic point of the deep sea water in the early stage until the deep sea water starts freezing. After freezing has started, the temperature of the cooling medium is gradually raised from the vicinity of the eutectic point so as to cause slow freezing, and in the final stage of freezing, the temperature of the cooling medium is further raised to the freezing temperature of a concentrated solution corresponding to a required freezing ratio and kept at the temperature for a specified time.
Patent JP-2002235495-A (JP)
Title: Concrete placing method and device for tunnel widening work
Inventor: KITAGAWA TSUTOMU
IPC: E21D11/10
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To install a protector and place concrete in a widened tunnel extremely easily in the tunnel widening work. SOLUTION: Concrete is placed by using a form 16 capable of securing a vehicle traffic section 18 below it in the widening work of the tunnel 12. The protective member 20, which is suspended from the vehicle traffic section 18 of the form 16 along the whole length of the form 16 and is opened in the longitudinal direction, is installed in the vehicle traffic zone 24 of the tunnel 12 to protect passing vehicles, and concrete 14 is placed between the form 16 and the inner wall face 40 of the widened tunnel.
Patent JP-2002234140-A (JP)
Title: Sheet-feed press
Inventor: ENDO YUTAKA
IPC: B41F33/06
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a sheet-feed press which can do a precise teat by preventing the behavior of the tip part of a sheet held by a catching claw device effectively. SOLUTION: In the sheet-feed press provided with a traveling conveyance chain 17, the catching claw device 20 which is supported by the chain 17 and has a claw 21 for holding the sheet W and a claw table 22, a testing device for testing the sheet W to be held/conveyed by the device 20, and a suction table 25 having a guide plane 26 for guiding the sheet W at a position for testing by the CCD camera 24 of the testing device and a suction hole 27 for making the sheet W contact the guide plane 26,  a suction taper plate 28 having an inclined plane 28a in which the distance between the claw table 22 and the guide plane 26 is decreased gradually from the upstream side in the sheet conveyance direction toward the downstream side of the guide plane 26 is provided to have a prescribed interval by placing a channel 29 through which the claw 21 passes in the sheet width direction on the downstream side of the guide plane 26.
Patent JP-2002237906-A (JP)
Title: Internet telephone set and system
Inventor: SHIMAMORI MITSUHISA
IPC: H04L12/66
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To provide an internet telephone set and system that eliminates the need for re-make of call connection request, even under the circumstance with the communication quantity (traffic) of entire network as a whole being increased or the like. SOLUTION: The internet telephone set 10, that uses a request means 3 to make a call setup request to an opposite party through the internet 20 and uses a call accept reception means 6 for receiving a call acceptance returned from the opposite party, depending on the call setup request so as to set up connection to the opposite party, is provided with a means 14 or the like, that informs a user of the telephone 10 of the reception awaiting state of the call acceptance from the opposite party at present, in the case of the call setup request.
Patent JP-2002204759-A (JP)
Title: Thermal insulation lid
Inventor: TANAKA AKIO
IPC: E04H4/06
Filed: 2001-01-09
Abstract: PROBLEM TO BE SOLVED: To make thermal insulation lid that is effective and easy to use whether one is bathing or not. SOLUTION: A sheet-form thermal insulation lid is made by combining a plurality of regular hexagonal foundations (1, 7). Truncated conical or semicircular upper body and lower body are attached to the foundations (7), and a weight is internally provided in the lower body. A reasonable attraction force is given to the sheet-form thermal insulation lid by internally providing magnets in the sides of the foundations (1, 7).
Patent JP-2002242878-A (JP)
Title: Air blasting cooling system
Inventor: UJIIE SATORU
IPC: H05K7/20
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To automatically remove dusts 5 accumulated on an outer surface of an air filter 4 of an air blasting cooling system to cool down temperature inside a case body increased by heating of equipment by sucking outside air. SOLUTION: Air blasting quantity is monitored by an air flow rate detector 8, and when the air blasting quantity is lowered and inside temperature by a temperature sensor 9 is within specified range, a direction of air blasting is reversed by revolving a revolution axis 11 provided along a rotating surface of an impeller of a cooling fan 6 by 180 deg. by a motor 7 for revolution. When the dusts 5 are blown off outside from the air filter 4 and the air blasting quantity becomes high, the cooling fan is returned to an original cooling state by revolving it.
Patent JP-2002244065-A (JP)
Title: Polygon scanner motor
Inventor: KASHIWADA TAKESHI
IPC: G02B26/10
Filed: 2001-02-21
Abstract: PROBLEM TO BE SOLVED: To reduce generation of the plane tilt of a polygon mirror and to realize quality improvement in optical scanning by realizing a configuration in which the center of the thickness direction of the polygon mirror coincides with the center of a bearing. SOLUTION: A polygon scanner motor 1 which has the structure of a brushless motor and rotates the polygon mirror 3 to perform light deflection scanning is provided with: a stator 23 the lower part of which is fixed to a printed circuit board 4 and which has an air dynamic pressure bearing 5 formed in the upper part; and a rotor 25 which is fitted loosely to the air dynamic pressure bearing 5 of the stator 23 to rotate thereon. The polygon mirror 3 is fixed coaxially to the center of the rotor 25, and the mirror center 3a of the thrust direction is disposed on the same (or approximately the same) position as the bearing center 50 of the thrust direction of the air dynamic pressure bearing 5.
Patent JP-2002249462-A (JP)
Title: Separation method of cis-dicyclohexyl-3, 3', 4, 4'- tetracarboxylic acid dimethylester
Inventor: SHIOTANI AKINORI
IPC: C07C67/60
Filed: 2001-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a method for separating (1R, 1'S, 3R, 3'S, 4S, 4'R)- dicyclohexyl-3,3',4,4'-tetracarboxylic acid dimethylester at a stage of cis- dicyclohexyl-3,3',4,4'-tetracarboxylic acid dimehylester (semiester). SOLUTION: The method for separating cis-dicyclohexyl-3,3',4,4'- tetracarboxylic acid dimethylester, comprising recrystallizing a product obtained by hydrogen-reducing tetramethyl biphenyl-3,3',4,4'-tetracarboxylate to preferentially separate an isomer having a cis structure, hydrolyzing three kinds of isomer mixtures obtained, thereby converting these into the corresponding tetracarboxylic acids, then rendering the tetracarboxylic acids anhydrous to produce tetracarboxylic acid dianhydrides having a cis structure, reacting this isomer mixture with methanol to convert it into tetracarboxylic acid dimethylester and thereby preferentially separating only (1R, 1'S, 3R, 3'S, 4S, 4'R)-dicyclohexyl-3, 3',4, 4'-tetracarboxylic acid dimethylester at this semiester stage.
Patent JP-2002251281-A (JP)
Title: Floating point multiplier
Inventor: OSADA TAKASHI
IPC: G06F7/487
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To accelerate the operation speed of a floating point multiplier. SOLUTION: A multiplication array 11 inputs the mantissa parts M0 and M1 of m [bits] and outputs the partial products A and B of 2m-1. A mantissa part adder 12 and a post-rounding normalization judgment circuit 16 input the high-order m+1 [bits] of A and the high-order m [bits] of B and respectively output mantissa part added results C0 and C1 (=C0+1), carry X and a post- rounding normalization signal G. A sticky generation circuit 14 and a carry generation circuit 15 input the lower-order m-2 [bits] of A and the low-order m-1 [bits] of B and respectively output carry F and a sticky bit S.  A rounding digit matching circuit 17 outputs the multiplied result H of this floating point multiplier from the output D0 and D1 of an exponent part adder 13 and the output C0 and C1 of the mantissa part adder 12 with the sticky bit S, the post- rounding normalization signal G and the carry X as control signals.
Patent JP-2002252090-A (JP)
Title: Illumination device
Inventor: GOSHIMA SHIGEO
IPC: H05B37/02
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To provide an illumination device wherein a new operational part or a sensor can be added without replacing a lighting fixture or a control part built in it and wherein its function can be added. SOLUTION: In the illumination device with which lighting fixtures 1 and plural operational parts 2, 4 to generate light control signals for these lighting fixtures 1 are connected via a signal wire 5 of a bus wiring, a signal discrimination part 3 which takes in the lighting control signals to flow through the signal wire 5 for operations such as lighting, lights-out or light control or the like, and which judges mutual dominances and outputs the lighting control signals to the lighting fixtures 1 is installed on the signal wire 5. Further, the signal discrimination part 3 may be also installed in a brightness sensor or in a human- sensitive sensor to output the lighting control signals.
Patent JP-2001256628-A (JP)
Title: Suspension assembly of disk device
Inventor: SUZUKI KAZUHIRO
IPC: G11B21/21
Filed: 2001-02-26
Abstract: PROBLEM TO BE SOLVED: To provide a head assembly, capable of supplying/taking out a highly reliable head signal corresponding to the miniaturization/thinning of a disk device. SOLUTION: The head assembly of a disk device, having an actuator arm and a circuit, is provided with a suspension which has a longitudinal main surface suited for supporting a head, a printed wiring sheet having sufficient main surface width to house a plurality of signal lines, and electrically connected to the head, and an elongated part having a support surface which is substantially parallel to the longitudinal main surface of the suspension, and elongated from the suspension. The support surface supports the printed wiring sheet, such that the printed wiring sheet is elongated substantially in parallel to the longitudinal main surface of the suspension by the main surface of the printed wiring sheet.
Patent JP-2002251887-A (JP)
Title: Non-volatile semiconductor memory utilizing floating gate
Inventor: KITAZAKI KAZUHIRO
IPC: G11C16/34
Filed: 2001-02-26
Abstract: PROBLEM TO BE SOLVED: To prevent that an erasing time is lengthened without applying over- electric-field to a tunnel insulation film even if erasing speed is different by dispersion of manufacturing, in a memory having a floating gate. SOLUTION: In a non-volatile semiconductor memory provided with a plurality of memory cells having a floating gate, this device monitors a leak current of a memory cell being in erasure, by monitoring a state of a memory cell being in erasure and controlling erasure voltage applied to a control gate in accordance with a progress state of erasure. When a cell leak current is small, as many electrons are left in a control gate, erasure voltage applied to a cell is made low and an electric field of a tunnel insulation film is suppressed. On the contrary, when a cell leak current is large, as few electrons are left in a floating gate, an electric field is not excessively generated in a tunnel insulation film even if erasure voltage is made higher, erasure speed can be increased.
Patent JP-2001272179-A (JP)
Title: Device and method for cooling granular substance
Inventor: MANFRED ECKER
IPC: C22B1/20
Filed: 2001-02-26
Abstract: PROBLEM TO BE SOLVED: To provide a cooling device capable of cooling more amount of granular substance per unit time compared with a conventional technique without changing the final temperature of the granular substance. SOLUTION: Supporting members (5) connected to the outside of the side ends (4) of a lattice (1) and not permeating gas therethrough is provided, and the side walls (7) are abutted against the outer ends (6) of the supporting members (5). Respective side walls 7 are deviated with respect to ventilating case walls (3) provided below the side walls by the width (B) of the supporting members (5), while the ratio of a distance (C) between the side walls (7) to the width (A) of the gas permeable lattice is 0.85-0.75. The object further comprises the cooling method of granular substance and the increasing method of capacity of the device for cooling the granular substance.
Patent JP-2002261610-A (JP)
Title: A/d converter
Inventor: KUNIMATSU KATSUJI
IPC: H03M1/18
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To solve the problem that it is difficult that the same change amount is changed for an upper limit reference voltage and a lower limit reference voltage without any error in order to change only an off-set without changing a full scale in the case that the reference voltage of an A/D converter is changed to perform off-set regulation. SOLUTION: An off-set control voltage Vof and a full scale control voltage Vfs are input to the A/D converter, and both the control voltages are converted into the upper reference voltage Vtop and the lower limit reference voltage Vbot by an addition circuit and a subtraction circuit provided in the A/D converter. Thereby the off-set of the A/D converter independently depends on the off-set control voltage Vof, the full scale independently depends on the full scale control voltage Vfs respectively, and regulation of the off-set and the full scale can be performed very easily and highly accurately.
Patent JP-2001277857-A (JP)
Title: Openable vehicle roof
Inventor: DE GAILLARD FRANCOIS
IPC: B60J7/05
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To improve an openable vehicle roof so that a large opening of a front roof device is moreover widened with another roof device, ventilation in a vehicle compartment is improved with this another roof device, and loading into a baggage room is facilitated. SOLUTION: This openable vehicle roof has a front roof opening covered with the front roof device and at least one lid 4, the rear edge 4D of the lid 4 can be tilted up over a fixed vehicle roof 1, and the lid 4 can move at least partially the upper part of a level of the fixed vehicle roof 1. The vehicle roof has a rear roof device having at least one rear lid part 5, the rear lid part 5 covers a rear roof opening over the baggage room 8 within the rear range of the vehicle in a state that the rear lid part 5 is closed, and the rear roof opening is at least partially opened in at least a partially opened state.
Patent JP-2002260747-A (JP)
Title: Wiring method and wiring structure of communication lines and connector
Inventor: SAKIYAMA KOJI
IPC: H02G15/08
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To aim at cost reduction of a communications system by preventing reflection and limiting free alignment of units. SOLUTION: A communication line 2 is branched by fitting branching function built-in connectors 5A, 5B on the way of the line connecting a unit 10A and a unit 10B and the branching function built-in connectors 5A, 5B are insertion- coupled with connectors 11C, 11D of other units 10C, 10D, to make wiring by connecting the communication line with the other units 10C, 10D.
Patent JP-2002259688-A (JP)
Title: Property mobilizing method, cooperation securitization method, and cooperation securitization support device
Inventor: YAMAMOTO MANABU
IPC: G06Q40/02
Filed: 2001-03-01
Abstract: PROBLEM TO BE SOLVED: To provide a property mobilizing method, a cooperation securitization method, and a cooperation securitization support device, which can mobilize the properties that a cooperation possesses and prepare funds for the cooperation from the capital market. SOLUTION: The cooperation securitization method for securitizing the properties that the cooperation possesses has a property value calculation stage S2 for calculating the value of a desired 1st property to be securitized among the possessed properties, a cash flow value calculation stage S3 for predicting and calculating the value of the cash flow that the 1st property produces, a property selection stage S4 for selecting a 2nd property that another property owner has as an object of proprietary right exchange with the 1st property according to the calculated value of the 1st property, and a securitization stage for securitizing the 1st property and the cash flow that the property produces.
Patent JP-2002261298-A (JP)
Title: Variable-capacitance diode device
Inventor: KASAHARA TAKESHI
IPC: H04B1/26
Filed: 2001-03-02
Abstract: PROBLEM TO BE SOLVED: To provide a vatiable-capacitance diode device that can reduce tracking errors. SOLUTION: On a semiconductor substrate comprising a base 1 and an epitaxial layer 2, first and second variable-capacitance diode elements VCD(A) and VCD(B) are formed. In this case, the effective area of at least one portion of the first variable-capacitance diode element VCD(A) is set smaller than that of a portion, to which the second variable-capacitance diode element VCD(B) corresponds. When RF and OSC signals, having greatly different levels, are superimposed on a DC bias voltage for applying, C-V characteristics in the first variable-capacitance diode element VCD(A) at the side of a local oscillation circuit approaches those of the second variable-capacitance diode element VCD(B) at the side of a high frequency circuit to reduce the tracking errors.
Patent JP-2002256665-A (JP)
Title: Roof member attached with solar cell and roofing construction
Inventor: UMEOKA TAKASHI
IPC: H01L31/042
Filed: 2001-03-02
Abstract: PROBLEM TO BE SOLVED: To provide a roof member with a solar cell attached to which, although a claw member for adhering the solar cell to a metal plate is formed of a fixing member such as a rivet without leakage of rain water from a gap formed at the peripheral edge of the fixing member to the top of the roof sheathing member. SOLUTION: The roof member 3 with a solar cell is equipped with a recessed cavity portion 41 with the center portion depressed, a bank portion 42 around the recessed cavity 41, a solar cell 4 arranged in the recessed cavity 41, a claw member 41 for securing the solar cell to the main body of the roof member, and a fixing member 8 fixing the claw member 41 and penetrating through the claw member 41. And the fixing member 8 is placed in an overlapped region overlaid on the roofing member located adjacently.