baber/WOPTO huggingface dataset:
Patent JP-2001177095-A (JP)
Title: Power mosfet and its manufacturing method
Inventor: ISHIHARA SHO
IPC: H01L29/78
Filed: 1999-12-15
Abstract: PROBLEM TO BE SOLVED: To easily reduce the parasitic capacity between a drain and a gate by eliminating a gate electrode material at the bottom of a groove 62 in a power MOSFET where a channel is formed at the side wall of the groove 62. SOLUTION: A groove 62 where a channel is formed on a side wall is created while it has relatively wide and narrow parts, a gate electrode material film is formed to a thickness where the groove 62 is not buried at the wide part but is buried at the narrow part, the gate electrode material film at a part that is not a groove and the bottom part of the wide part of the groove is eliminated and at the same time is left on the side wall of the groove, and the gate electrode material is left also at the bottom part to make connection to both the side wall parts at the narrow part, thus forming a gate electrode 69.
Patent JP-H11183020-A (JP)
Title: Low temperature showcase
Inventor: TANIGUCHI HIROSHI
IPC: F25D23/00
Filed: 1997-12-24
Abstract: PROBLEM TO BE SOLVED: To provide a low temperature showcase in which the quantity of heat to be discharged from a compressor can be varied appropriately depending on the operating conditions. SOLUTION: A low temperature showcase comprises a condenser, a condenser fan and a compressor being cooled by air supply from the condenser fan disposed in a showcase body. The compressor 23 is fitted removably, to the outer circumferential part 23a thereof, with a fin body 25 having fins 27 the shape and the number thereof being set depending on the working conditions of the compressor 23 or the installation conditions of the showcase body.
Patent JP-2001176888-A (JP)
Title: Package for semiconductor device
Inventor: YAGI HIROFUMI
IPC: H01L21/52
Filed: 1999-12-15
Abstract: PROBLEM TO BE SOLVED: To provide a package for semiconductor device, in which a semiconductor device can be mounted without touching the surface or side of the device with tweezers, when mounting the semiconductor device whose surface and side are inhibited from being touched on a package. SOLUTION: A package for a semiconductor device electrically connects a semiconductor device stored with its bottom surface side opposed to a base to an external device. A semiconductor device 1 is places on the base 3 of a package 2, and a hole 6 a having prescribed size is made in the base 3, where the bottom surface of the semiconductor device 1 adheres to.
Patent JP-H10187925-A (JP)
Title: Signature section carrying device and its counting device
Inventor: HOSHINO TETSUYA
IPC: G06M7/10
Filed: 1996-12-26
Abstract: PROBLEM TO BE SOLVED: To provide a carrying/counting section device which improves the placement relation between a carrying path and a counter of signatures, can count with no mistake the number of signatures which are put on each other with slippage and fast carried by means of a carriage smoothing means for signatures and can accurately bind the signatures in a designated number. SOLUTION: This device is prepared to put the signatures such as newspapers on each other for carriage of them with slippage, to count the number of the signatures by means of a laser sensor 11 to separate them from each other in every optional set number. A signature counting device of the device has a level difference part 20 on a carrying path where the signatures are put on each other and carried. At the part 20, the carrying direction faces of the carrying path cross each other at about 110 to 150 degrees and the carrying direction of the signatures is changed. Then the detecting position of the laser 11 is set at the downstream side near the part 20.
Patent JP-H11186607-A (JP)
Title: Compound semiconductor light emitting element
Inventor: UDAGAWA TAKASHI
IPC: H01S5/00
Filed: 1997-12-25
Abstract: PROBLEM TO BE SOLVED: To obtain sufficient light emitting output, by considering electric conductivity types of a light emitting layer and a p-type layer, forming an optimum current blocking layer, effectively diffusing an element operating current contributing to light emission into almost the whole part of a light emitting region, and enlarging the light emitting area. SOLUTION: A semiconductor light emitting element 10 is constituted by forming a p-type pad electrode 5 on a p-type semiconductor layer 3 laminated on an n-type light emitting layer 2. In this case, an ion implantation region 6 formed by ion-implanting n-type impurities in the p-type semiconductor layer 3 is formed as a current blocking layer. The p-type pad electrode 5 is arranged above the ion implantation region 6.
Patent JP-2001170082-A (JP)
Title: Dowel pin
Inventor: ENDO MOTOO
IPC: A61C13/34
Filed: 1999-12-16
Abstract: PROBLEM TO BE SOLVED: To simplify the implantation of a dowel pin. SOLUTION: The dowel pin 300 comprises a long-legged and sectionally rectangular pin body 301, a columnar neck 302 protruded from the upper end of pin body 301, and a plastic film 303 attached to the outer periphery of the neck 302. The pin body 301 and the neck 302 are integrally formed of stainless steel. The plastic film 303 attached to the outer periphery of the neck portion 302 is used for inserting the neck 302 in a dowel pin implantation hole of gypsum toothed pattern whereupon great friction force works for firm fixation. The attachment of the plastic film 303 to the neck 302 is carried out simply by wrapping the plastic film 303 with an adhesive layer on the reverse on the outer periphery of the neck 302 once or few times.
Patent JP-H11185913-A (JP)
Title: Bga package socket
Inventor: SAKUGI HIDETOSHI
IPC: H01R13/11
Filed: 1997-12-25
Abstract: PROBLEM TO BE SOLVED: To improve reliability of electrical connection with BGA(ball grid array) package bumps. SOLUTION: A connection terminal 3 electrically connected with a bump 9 by a BGA package 8 being mounted is provided at a bottom face of an opening of a socket body. The connection terminal 3 has a contact part 5 supported to the socket body by a support part 4. The contact part 5 is composed of four contact plates 6, and each plate 6 is opposed to one another, and is disposed so as to sandwich a side part of the bump 9.
Patent JP-2000178970-A (JP)
Title: Pile driving equipment capable of inner excavation
Inventor: OMURA KEIICHI
IPC: E02D7/10
Filed: 1998-12-16
Abstract: PROBLEM TO BE SOLVED: To pile even into complicated ground by constituting a pile driving equipment with a hammer device, broken pieces discharge pipe provided in a steel pipe and a weight rising and falling along the discharge pipe and by erecting the hammer device, a drive source, a lifting device for the weight, a supporting portion for the discharge pipe, and the related equipment at the upper portion of the steel pipe in one united body. SOLUTION: An impact device provided with a hammer 1 at the upper end of the pipe 2 is installed at the upper end of the steel pipe 2, and internally a broken piece discharge pipe 3 is arranged vertically. The lower end of the discharge pipe 3 is opened inside the steel pipe 2, the other end is provided outside the steel pipe 2, and broken pieces occurred inside the steel pipe 2 are discharged to the outside from a passage of compressed air provided along the discharge pipe 3 together with circulating water 4. Inside the penetration hole 51 opened in the vertical direction at the center of the steel pipe 2, a weight 5 penetrating the discharge pipe 3 is provided, the weight 5 is lifted and lowered along the discharge pipe 3 by winding and unwinding of a weight wire W2 fixed to the weight 5, and ground and boulders inside the steel pipe 2 are crushed by this impact force. Since the crushing inside the steel pipe 2 can be performed in parallel to the impact of the hammer, 1, responses to the diversified changes in ground can be performed.
Patent JP-H06196671-A (JP)
Title: Master slice ic
Inventor: TATSUTA TETSUO
IPC: H01L21/82
Filed: 1992-12-25
Abstract: PURPOSE:To provide a master slice IC capable of preventing the deterioration of circuit characteristics due to the dispersion of device characteristics at a differential input stage by a MOS transistor. CONSTITUTION:A first PMOS transistor MP1 is formed by a drain section 2, a common source section 3 and a gate section, and a fourth PMOS transistor MP4 is shaped by a common source section 3, a drain section 4 and a gate section 1. A third PMOS transistor MP3 is formed by a drain section 5, a common source section 6 and a gate section 1, and a second PMOS transistor MP2 is formed by a common source section 6, a drain section 7 and a gate section 1. When differential input stages by the PMOS transistors are constituted, the differential input stages are formed by executing cross wirings.
Patent JP-H05179880-A (JP)
Title: Excavated hole bottom part diameter enlarging bottom-dredging bucket
Inventor: KONDO JUNGO
IPC: E02D5/44
Filed: 1991-12-27
Abstract: PURPOSE:To make slime disposal effective and enable the construction of a bottom enlarged pit of good quality by fitting a scraper removably to an enlarged blade so as to prevent slime from overflowing through a gap between excavating blades. CONSTITUTION:A slime lead-in port 8 is formed at the side part lower part of a bottom dredging bucket body 1 rotatable around a longitudinal axis. An enlarged blade 9 provided with excavating blades 10 at the edge parts and opened outward to enlarge the diameter of the bottom part of an excavated hole is provided in such a way as to close the slime lead-in port 8 of the bucket body 1. In this diameter-enlarging bottom-dredging bucket, a scraper 12 for closing a gap between the excavating blades 10 on the lower part side of the enlarged blade 9 is provided removably at the enlarged blade 9. The scraper 12 is then fitted to the enlarged blade 9 at need so as to prevent the slime from overflowing through the gap between the drilling edges 10.
Patent JP-2000181386-A (JP)
Title: Color display device
Inventor: YANAGAWA YOSHIHIKO
IPC: G09F11/23
Filed: 1998-12-17
Abstract: PROBLEM TO BE SOLVED: To carry out bright display night and day by providing the above display with a color display element for displaying colors by rotating the color display by means of a step motor and directing part of the colors selectively applied on the surface toward a display surface and constituting luminous elements adjacently to the color display element, thereby constituting a color display module. SOLUTION: The color display 36 which is selectively coated to, for example, four colors on a cylindrical surface is arranged so as to cover magnetic cores 12, coil bobbins 16, coils 18, a stator 24 and a stator frame 28. A rotating body 37 rotates by a required angle and exposes the assigned colors from between self-luminous element mounting plates 10a arranged by bending a plate 10 when the drive signals of a step motor are impressed thereto from respective coil terminals 20. The color of the color display 36 is then displayed in a display direction shown by an arrow. Self-luminous elements 42 are inserted into the holes 44 formed at the self-luminous element mounting plates 10a and connecting terminals 43 are connected to a circuit board 30 through the through-holes 46 of the plate 10.  When current is supplied from a power source to the self- luminous elements 42, the elements glow by itself, thereby displaying the colors.
Patent JP-H10194838-A (JP)
Title: Ceramic sintered material
Inventor: MITSUOKA TAKESHI
IPC: C04B35/58
Filed: 1996-12-29
Abstract: PROBLEM TO BE SOLVED: To obtain a ceramic sintered material consisting essentially of silicon nitride and titanium nitride and having satisfactory strength and wear resistance as the constituent material of metallurgical iron working jigs, especially hot working jigs and to obtain metallurgical iron working jigs using the sintered material. SOLUTION: Metallurgical iron working jigs for hot working such as rolling rolls for wire rod 1, 2, guide rolls 3, 4 for wire rod or squeezing rolls for producing an electric resistance welded tube are made of a ceramic sintered material contg. 40-70wt.% TiN and 20-60wt.% Si3 N4 and having >=1,000MPa bending strength, >=4.5MPam<1/2> fracture toughness and >=98% relative density. The average grain diameter of the TiN grains in the sintered material is <=2μm.
Patent JP-H07136501-A (JP)
Title: Adsorbent for oil
Inventor: SAKAGAMI HARUO
IPC: B01J20/28
Filed: 1991-12-27
Abstract: PURPOSE:To efficiently adsorb and remove oils with expanded graphite and easily recover expanded graphite adsorbing oils and floating on liquid surface by heating and expanding thermally expandable graphite and filling spaces of a material which can transmit a liquid material with the obtd. expanded graphite. CONSTITUTION:This adsorbent for oils is used to recover crude oil flowing on sea or to remove oils or org. chlorine-base solvents mixed in general waste water. In this method, the adsorbent for oils is obtd. by filling spaces of a material which transmits a liquid material with expanded graphite obtd. by heating and expanding thermally expandable graphite. As for the thermally expandable graphite, any material having high expanding property which can form high bulky expanded graphite after expansion may be used. For example, natural graphite or the like is treated with a mixture of high concn. sulfuric acid and strong oxidizing agent, then washed with water and dried. As for the material which can transmits a liquid material, natural or artificial org. polymers, metals or inorg. polymer material or others may be used.
Patent JP-2000337858-A (JP)
Title: Method and apparatus for measurement of thickness or undulation of sheet
Inventor: TOJO FUMIO
IPC: G01B21/08
Filed: 1999-12-17
Abstract: PROBLEM TO BE SOLVED: To correct the characteristic map of a reference face whenever necessary and precisely by making the characteristic-map preparation means of the reference face and its correction means of a simple constituted. SOLUTION: A measuring head 2 is moved in the width direction of a sheet 9. The thickness of the sheet is measured by a sheet-thickness measuring sensor 3 which is attached to the measuring head 2. The measured value of the thickness of the sheet is corrected by the characteristic map, in the sheet width direction of a movement mechanism 4 of the measuring head 2, which is prepared in advance. A high-directivity electromagnetic-wave transmission means 5 which transmits high-directivity electromagnetic waves 5a such as light, a beam or the like as a reference face for the characteristic map is fixed to, and arranged on, one sideof a body frame 1.  A noncontact position detecting means 6 which receives the high-directivity electromagnetic waves 5a such as the light, the beam or the like and which detects a change in the position in the thickness direction of the sheet of the measuring head 2 is attached to a part of the measuring head 2 or a part of the sheet-thickness measuring sensor 3.
Patent JP-H06125648-A (JP)
Title: Chip spawn of shiitake and its production
Inventor: KIYOURAKU ISAMU
IPC: A01G1/04
Filed: 1991-12-25
Abstract: PURPOSE:To provide a method for producing a chip spawn capable of ready transplanting to a culture log without destroying a sawdust spawn and of growing SHIITAKE dentinus edodes P.Henn entirely without hindrance. CONSTITUTION:A sawdust spawn 4 is charged under pressure into a cup-shaped package 1b made of an air-permeable sheet and a cover film 5 constituting a cover is bonded to the periphery of the opening part of the cup-shaped package 1b, thus producing the objective chip spawn or SHIITAKE.
Patent JP-2001177630-A (JP)
Title: Portable telephone set
Inventor: SHIROTA RIE
IPC: H04W4/20
Filed: 1999-12-17
Abstract: PROBLEM TO BE SOLVED: To provide a portable telephone set which enables a user to identify whom a call incomes from at a glance and avoids troubling to others. SOLUTION: In the portable telephone set provided with a transmitting and receiving part, a light emitting part, a storing part and a control part, the transmitting and receiving part receives caller telephone number information for giving information on the telephone number of a caller side or an information signal concerning non-number informing the for reporting the reason why the telephone number on the caller side is not given when it is not given, the light emitting part has plural light emitting element of plural colors, the storing part stores the colors or the light emitting state of the light emitting elements corresponding to each specific telephone number,  and the control part make the light emitting elements emit light by each caller telephone number or corresponding to the non-number by the information signal concerning the caller telephone number information and the non-number information to be identified visually.
Patent JP-H11196529-A (JP)
Title: Power supply
Inventor: TSUNODA KIYOTAKA
IPC: H02J1/00
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To provide a power supply which prevents occurrence of inrush current when power supply is restored after the occurrence of a momentary power failure. SOLUTION: A power supply comprises five major elements; a TRIAC TR1 connected between an AC power supply 1 and a capacitor which transmits or breaks an input from an AC power supply 1, a transistor Q1 which switches on or off a parallel circuit to a resistor R1 and the TRIAC TR1, a resistor R3 connected in series to the parallel circuit between the AC power supply 1 and capacitor C1 which detects the presence of an input from the AC power supply, an input control circuit 11 which compares the input voltage detected with this resistor R3 with a given reference voltage Vr to output an input transmission signal at the time when the input voltage changes from a no- detection state to the state exceeding the given reference voltage Vr,  and a delay drive circuit 12 based on the input transmission signal from the input control circuit 11 which switches on the TRIAC TR1 with a given delay time to lead the AC input from the AC power supply 1 to the capacitor C1 without routing the resistor R1.
Patent JP-H06203077-A (JP)
Title: Electronic dictionary
Inventor: KONNO SHIGEKI
IPC: G06F17/28
Filed: 1992-12-28
Abstract: PURPOSE:To provide an electronic dictionary for limiting the length of a corresponding character string at the time of retrieval using a wild card and suppressing the number of entries to be retrieved. CONSTITUTION:This dictionary is provided with a ROM 4 for storing the entries and corresponding information, alphanumeric keys 2a for inputting codes corresponding to the respective characters of the entries, a wild card key 8 for inputting a special code (wild card) coincident with any character strings of the entries, a translation key 10 for inputting a retrieval command corresponding to the code and the special code, a CPU 6 for retrieving the corresponding entries and the corresponding information from the ROM 4 based on the retrieval command, a display part 3 for displaying the retrieved entries and the corresponding information and a setting key 9 for inputting an extension length limiting command for limiting the length of the character string to be retrieved by using the special code. The CPU 6 limits the length of the character string to be retrieved corresponding to the special code and controls the retrieval based on set extension length limits 5a and 5b.
Patent JP-2000184085-A (JP)
Title: Portable equipment, attachment for portable terminal and system using portable equipment
Inventor: OZAKI NOBORU
IPC: H04W8/26
Filed: 1998-12-18
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive portable equipment improved in operability, portability and human interface, with which digital money is taken in and out easily, instantaneous payment within a range of deposit to a financial agency is enabled, sufficient security is secured and digital money can be circulated. SOLUTION: This portable equipment is provided with a long distance communication I/F 2, an I/F 27 for a short distance communication device, a memory 25 which is a data/information storage means, a display means 8 for displaying data or information, an arithmetic circuit 26 for cipher calculation and an MPU 23. The digital money is stored from a bank to the memory 25 by the long distance communication I/F 2 and the digital money is paid to a shop terminal by the I/F 27 for the short distance communication device.
Patent JP-H05262762-A (JP)
Title: Antimigraine 4-pyrimidinyl of indol-3yl-alkylpiperazine, and pyridinyl derivative
IPC: C07D213/65
Filed: 1992-12-18
Abstract: PURPOSE: To prepare the new subject compd. useful for the prevention and treatment of vascular headache such as migraine.  
     CONSTITUTION: The compd. of formula I [X is -N- or -CH-; R 2  is H, a halogen, lower alkyl, amino, OH or the like; R 2  is H, a lower alkyl, halogen or the like; R 3 , R 5  and R 6  are each H or a lower alkyl, R 4  is a lower alkyl; (n) is 0 or 2] such as 4-(5-methoxy-4-pyrimidinyl)-1-[3-5-[[(methylamino) sulfonyl]methyl]-1H-indole-3-yl]propyl]piperazine. The compd. of the formula I is obtd., e.g. by reacting the compd. of formula II (R 10  is R 1 ≥, H, halogen, lower alkoxy or the like in the case X is -CH-) with the compd. of formula Y-X (Y is a cation or a counter ion) and reacting the product with the compd. of formula III. 
     COPYRIGHT: (C)1993,JPO
Patent JP-H11172518-A (JP)
Title: Production of nozzle
Inventor: EBISAWA TAKASHI
IPC: C04B37/02
Filed: 1997-12-10
Abstract: PROBLEM TO BE SOLVED: To efficiently and inexpensively produce a nozzle excellent in abrasion resistance. SOLUTION: When a nozzle piece 4 is arranged in a through hole 2 of a nozzle body 1 and a solder material 6 is packed in the space between the inner wall of the through hole 1 and the external wall of the nozzle piece 4 to join the nozzle piece 4 to the nozzle body 1, activated metal coating 5 is previously applied to all or a part of the external wall of the nozzle piece 4 before soldering and the solder material 6 to which an activated metal 7 is attached is used in soldering. Thereby, the nozzle piece can satisfactorily be joined to the nozzle body without using a solder material 6 in which an activated metal is alloyed.
Patent JP-2000175428-A (JP)
Title: Motor
Inventor: AOSHIMA TSUTOMU
IPC: H02K37/14
Filed: 1998-12-04
Abstract: PROBLEM TO BE SOLVED: To obtain a motor, which is easy to manufacture and of small size and delivers high output by installing a magnet rotatable as the rotational center with at least its circumferential surface divided in the circumferential direction and alternately magnetized at different poles. SOLUTION: The circumferential surface of a hollow cylindrical magnet 1 is divided circumferentially into (n) areas, which are in turn alternately magnetized in different poles, then coils are arranged in the direction of the axis of the magnet 1. Outer magnetic poles 18a and 18b and inner magnetic poles 18c and 18d of a stator 18 excited by the coils are made to face the circumferential surface and inner circumferential surface of the magnet 1. A holding means is provided which holding means holds the centers K1, K2, K3, and K4 of the poles of the magnet 1 in positions off the straight line connecting the centers Q1 and Q2 of the outer magnetic poles 18a and 18b and the rotational center Q3 of the magnet 1, when the coils are not energized.  In addition, a weight member 23 is so shaped that its mass is unbalanced with respect to the rotational center, and vibration is produced by the rotation of the output shaft 7 and the magnet 1.