baber/WOPTO huggingface dataset:
Patent JP-2000286506-A (JP)
Title: Gallium nitride light-emitting device
Inventor: YOSHIDA KIYOTERU
IPC: H01S5/323
Filed: 1999-03-31
Abstract: PROBLEM TO BE SOLVED: To obtain the emission of multiple colors from a semiconductor layer that is provided in a single manufacturing process by providing GaN1-yAsy or GaN1-xPx active layer at a V-shaped groove part formed on a substrate. SOLUTION: A silicon substrate 1 is introduced into a gas source molecular beam epitaxial growth device, a growth temperature is set to 640 deg.C, a GaN buffer layer 2 is grown, then the growth temperature is set to 850 deg.C, a doped GaN layer 3 is grown, then a sample taken out for forming an etching mask 4, and a V-shaped groove row 5 is formed at the Si-doped GaN layer 3 by dry etching. Then, the sample is returned to the growth device, an n-type GaN clad layer 6, an undoped GaN1-yAsy active layer 7, and a P-type GaN clad layer 8 are successively laminated to form semiconductor lamination structure. Therefore, an active layer for performing white-color or arbitrary-color emission can be formed by a simple manufacturing process due to single growth, thus forming a white light-emitting semiconductor device that can be put into a practical industrial application.
Patent JP-S58209624-A (JP)
Title: Power transmission device for four-wheel vehicle
Inventor: TSUKAHARA YUUJI
IPC: F16H48/12
Filed: 1982-05-29
Abstract: PURPOSE:To reduce a noise, improve fuel consumption and prevent wear in a transmission system by a method wherein the transmission system is constructed such that during running with two-wheel driving operation, a power transmission system for driven wheels on the engine side is inhibited from rotation, rather the final deceleration gear for said driven wheels may be so inhibited. CONSTITUTION:Changing-over between two-wheel driving operation and four- wheel driving operation is performed in four-wheel driving vehicle by operating a sub-clutch 11 arranged between a pinion shaft 9 and a rear driving shaft 12. In case of running under four-wheel driving operation, the power of an engine 1 is transmitted to the right and left front wheels FR and FL through a transmission gear 2 and a final reduction gear 5 for front wheels, and to the right and left rear wheels RR and RL through a sub-clutch 11, said shaft 12, pinion 16 and a final reduction gear 19 for rear wheels. In this case, said reduction gear 19 is integrally formed with a free wheel housing 20 for storing a pair of free wheels 22 and 24 for transmitting a rotation in only one direction, and then the right and left rear wheels 23 and 21 are connected to each of the free wheels 24 and 22.
Patent JP-H09256257-A (JP)
Title: Sound absorbing material
Inventor: NISHIMOTO KAZUO
IPC: D04H1/4209
Filed: 1996-03-22
Abstract: PROBLEM TO BE SOLVED: To obtain a sound absorbing material remarkably improved in sound absorption coefficient in a medium and low frequency region by forming a fibrous material and a whisker granular assembly into a porous formed product by actions of a binder. SOLUTION: This sound absorbing material is obtained by mutually joining whiskers having <=2μm diameter such as aluminum borate in a fibrous material such as ceramic fibers and the whiskers into a granular assembly having 50-1000μm grain diameter without using a binder. This porous boardlike sound absorbing material is prepared by mixing the granular assembly with a binder such as an acrylic acid emulsion in water, then adding a gelling agent such as ammonium sulfate thereto, further adding a polyacrylamine-based flocculant to the resultant mixture, flocculating the slurry, casting the flocculated slurry into a prescribed forming mold, then carrying out the press compressing and dehydrating treatments and subsequently drying the resultant material by heating.
Patent JP-S58209207-A (JP)
Title: Voltage controlled oscillator
Inventor: SHIMADA GIICHI
IPC: H03B5/32
Filed: 1982-05-30
Abstract: PURPOSE:To set a self-running frequency without adjustment and to make the range of control broad and stable, by providing a differential amplifier forming a positive feedback loop via a piezoelectric tuning fork element and giving an exciting input to the piezoelectric tuning fork element. CONSTITUTION:The differential amplifier 40 has a positive feedback loop 44 which feeds back positively the output of the differential amplifier to the input via the piezoelectric tuning fork element 42. That is, the amplifier 40 is constituted as a feedback amplifier giving the exciting input to the element 42. A frequency control circuit 46 controls the self-running frequency of the amplifier 40 based on a DC control input given externally. A capacitor 66 is a capacitive element setting the control range of frequency. In the actual oscillating operation, the oscillated frequency is controlled continuously in response to the change in phase.
Patent JP-S59218725-A (JP)
Title: Manufacture of semiconductor device
Inventor: SHIGE NORIYUKI
IPC: H01S5/00
Filed: 1983-05-27
Abstract: PURPOSE:To contrive prevention of lateral spike diffusion, stabilization of element characteristics and to achieve a long lifetime of an element by a method wherein, after an epitaxial layer has been selectively removed, and a mask layer has been formed by performing a lithographic method, impurities are selectively diffused using said mask layer. CONSTITUTION:An n type clad layer 3 consisting of n type GaAlAs, an active layer 4 consisting of GaAs, a p type clad layer 5 consisting of p type GaAlAs, a cap layer 6 consisting of n type GaAs, and a screen layer 11 consisting of Ga1-xAlxAs (x>=0.4) are formed successively. The screen layer 11 is partially removed, and a mask layer 12 with which the cap layer part opposing to the channel 2 will be exposed is formed. When Zn is diffused on the whole main surface of a wafer 10, a contact region 7 with which ohmic contact will be obtained is formed. An anode electrode 8 is formed on the whole main surface of the wafer 10, and a cathode electrode 9 is formed on the lower surface of the wafer 10. After a cleavage has been formed on the wafer 10 along the plane of cleavage orthogonally intersecting with the channel 2 by applying external force, an element is obtained by cutting the wafer at the intermediate part of a channel 2 and another channel 2.
Patent JP-H10283590-A (JP)
Title: Electronic flag system
Inventor: FUJIMOTO HIROYUKI
IPC: G08G1/09
Filed: 1997-04-10
Abstract: PROBLEM TO BE SOLVED: To allow a driver to see a graphic flag mark and to instantly decide flag content by consisting of an electronic flag that sends flag data and an on-vehicle terminal which is mounted on a vehicle and guides based on received flag data. SOLUTION: An electronic flag sends flag data that are stored in the memory and a coded flag mark (graphic) from a transmitter through an antenna. An on-vehicle terminal 2 receives them with an antenna 21 and a receiver 22 and recovers flag data. And it complements the flag data with a document, creates guidance information and shows the guidance information on a display 28. On the other hand, it performs voice synchronization and outputs the guidance information in a voice from a speaker 29. It shows a graphic flag mark together with the guidance information on the display 28. With this, because a driver is visually guided on the display 28 and through the speaker 29 in an auditory sense, he no longer misses a flag.
Patent JP-S63260709-A (JP)
Title: Drill of nc boring machine
Inventor: FUJITA IWAO
IPC: B23Q11/00
Filed: 1987-04-15
Abstract: PURPOSE:To prevent breakage of a drill due to entanglement of splash and perform boring smoothly with precision by furnishing a drill fastener installed at a drill with a curvature for gradual reduction of the drill at its cutter tip side. CONSTITUTION:Previously a drill 2 is inserted in a drill set hole 6 of a drill set jig 5, and curvature 10 on a drill fastener 3 is fitted in alignment in a curvature for fitting 11, and the drill 2 is set in a drill set jig 5. When NC boring machine is put in operation, the set drill 2 is chucked by spindle and drawn out, followed by rotational drive, and a hole is cut by cutter tip 4 in desired position of the work to be processed. Splash is generated, which is guided smoothly outwards by the curvature 10 of the drill fastener 3 to be naturally exhausted without fail, to ensure that the splash will not entangle with the drill 2 or drill fastener 3.
Patent JP-H01262752-A (JP)
Title: Preparation of mixed foods
Inventor: HARA KAZUO
IPC: A23C19/09
Filed: 1988-04-14
Abstract: PURPOSE:To readily obtain the subject foods which are cooked foods, capable of moderating freezing denaturation and excellent in texture and flavor before freezing of the foods in simple kneading operation, by mixing powder of natural cheese and powder of the foods and forming the resultant mixture. CONSTITUTION:(A) Natural cheese, such as Gouda or cream cheese, and (B) foods, such as powdered potatoes, beans, fishes or shellfishes, are charged into, e.g., a kneader, and water, as desired, is added to form the resultant mixture into the shape of a rice cake, bread dough, noodles, Japanese-style confection, etc., and afford the aimed foods.
Patent JP-H08285524-A (JP)
Title: Method for measuring bevel position of steel piece
Inventor: KIDO MOTOI
IPC: G06T7/00
Filed: 1995-04-18
Abstract: PURPOSE: To provide a method for measuring a bevel position for accurately detecting beveling butt point. CONSTITUTION: The rear-edge portion of a preceding steel piece 1 where an asymmetrical bevel is formed and the tip part of a succeeding steel piece 3 are butted against a vertical surface where opposing bevel surfaces include a welding line. When welding and joining the butting parts of both steel pieces 1 and 3, they are scanned along the butting parts by slit-shaped laser beams, the image an bevel contour line 27 formed by slit-shaped laser beams 26 is picked up by a television camera 31, and an image signal from the television camera 31 is subjected to image processing to measure the bevel position.  The slit-shaped laser beams 26, where a light axis is located within a bisection surface 29 for nearly equally dividing an angle formed by the bevel surfaces of both steel pieces 1 and 3 into two parts, are applied to the bevel part to form the bevel contour line 27 and the image of the bevel contour line 27 of both steel pieces 1 and 3 is picked up by the television camera 31 where the light axis of an image pick-up optical system is located within the above bisection surface, thus detecting the cross point of the bevel$ contour line 27 of both steel pieces 1 and 3 as a butting point.
Patent JP-H08282621-A (JP)
Title: Packing machine
Inventor: NAGASHIMA AKIRA
IPC: B65B13/22
Filed: 1995-04-18
Abstract: PURPOSE: To obtain a packing machine capable of reducing a possibility of a cutting failure and lowering a production cost of a cutting blade and the like by a method wherein a cutting blade cannot be separated from but surely abutted against a front clamping member at the time of cutting a band. CONSTITUTION: For preventing a cutting blade 50 from separating from a front clamping member 30, a guide member 20 having a separation-restricting surface 22a along the rising-lowering direction of the clamping member 30 and a pressing member 10 is provided on one 10 of them. A ball bearing 34 is provided in the clamping member 30 so as to abut on the separation-restricting surface 22a.
Patent JP-S62248673-A (JP)
Title: Recorder
Inventor: ONISHI TOSHIYUKI
IPC: B41J19/04
Filed: 1986-04-22
Abstract: PURPOSE:To alleviate vibrations generated at the time of engagement and contrive a higher recording quality, by providing a moving means with a plurality of belts and a plurality of pulleys corresponding to the belts, and fixing each set of the belt and the pulley to a carriage with a shift of half a pitch between the sets. CONSTITUTION:A lower inside surface of a carriage 2 is provided with grooves 2c, 2'c shifted from each other by half a pitch. Timing belts 4, 4' provided with rack teeth 4a, 4'a are connected to the grooves 2c, 2'c. A motor pulley 3 for moving the carriage 2 on slide shafts is provided with grooves 3a, 3'a shifted from each other by half a pitch, and the rack teeth 4a, 4'a of the belts 4, 4' are engaged in the grooves 3a, 3'a. When recording, the timing belts 4, 4, are engaged and the motor pulley 3 is driven to rotate by a motor 9, whereby the belts 4, 4' are driven, and the carriage 2 is moved on the slide shafts 1, 1' by being pulled by the belts 4, 4'. Concurrently, an ink jet head 6 ejects ink droplets, thereby recording.
Patent JP-2000285377-A (JP)
Title: Method and device for displaying emergency
Inventor: YOSHIDA AOSHI
IPC: G08B25/10
Filed: 1999-03-31
Abstract: PROBLEM TO BE SOLVED: To permit a center device operator to grasp vehicle speed just before an accident and to make conversation with an appropriate person concerned by generating travel track marks using different colors in several stages based on received vehicle speed information, overlapping them with a map and displaying them. SOLUTION: An emergency center receives site position information and vehicle speed information by data communication when an accident occurs through communication equipment 13. A map matching device 14 executes map mapping based on received site position information. An object retrieval device 15 retrieves an object based on site position information and map data. An emergency information display device 16 executes a site position display processing based on latitude/longitude information which is obtained through the map matching device 14 and is made into altitude and on map data obtained through a map data base 17 and displays emergency information.  When a site position and a travel track, which the emergency center receives, are overlapped on a map and they are displayed, the travel track marks using different colors for plural stages are displayed on the map in accordance with vehicle speed information.
Patent JP-H11269034-A (JP)
Title: Skin prepafation for external use for improving acne
Inventor: INABA TOMOYUKI
IPC: A61K8/44
Filed: 1998-03-20
Abstract: PROBLEM TO BE SOLVED: To obtain the subject new external preparation having excellent acne- improving and preventing effect by formulating at least one kind of compound selected from L-arginine as an active ingredient and its salts. SOLUTION: This external preparation comprises at least one kind of compound selected from L-arginine and its salts as an active ingredient. L-arginine salt includes e.g. hydrochloride, sulfate, metal salt of magnesium, etc., a salt with other amino acid. A formulating amount of the active ingredient is preferably 0.01-10 wt.% based on the external preparation. Ingredients used for conventional skin preparation for external use, e.g. aqueous ingredient, oily ingredient, alcohols, humectant, an ultraviolet light absorbent, a bleaching agent, etc., can be formulated in addition to the above essential ingredient in the range not impairing the above effect. The acne-improving and preventing effect includes healing and recovery of acne as well as inhibition of comedo formation and inhibition of keratotic plugging.
Patent JP-S62248424-A (JP)
Inventor: MIZUMOTO TAKESHI
IPC: A01F12/54
Filed: 1986-04-21
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S5218190-A (JP)
Title: Solid-state luminescent display
Inventor: FUJITA HIROSHI
IPC: C08L51/00
Filed: 1975-08-01
Abstract: PURPOSE: Increase reflection rate of light emitting pellet by making a reflection body with a filler of ACG resins of white pigments such as TiO 2 . 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S5719154-A (JP)
Title: Device equipped with high-frequency contactless arc igniting mechanism
Inventor: HARUNA TAMOTSU
IPC: B23K9/00
Filed: 1980-07-08
Abstract: PURPOSE: To reduce manufacture cost and to achieve miniaturization by substituting a coupling coil with a high-frequency magnetic material, a coupling coil and a coupling capacitor.  
     CONSTITUTION: A torch 2 is fed simultaneously from a welding power source 21 and a high frequency power source 6. At first a high frequency discharge is formed between a discharge electrode 10 and a material 4 to be worked, and said high- frequency discharge serves as trigger to ignite an arc discharge 10. Thus obtained apparatus is equipped with a high frequency magnetic material 13 surrounding a part of the feeder line from a power source 1 to a discharge electrode 3 of which part forms a figh frequency reactivity 15, a coupling coil 12 connected to the high- frequency power source 6 and connected, through a coupling capacitor 16, in parallel with the high frequency reactivity 15, and a high frequency bypath condenser 9 connected between the feeder line on the power source side of the high frequency reactivity 15 and the feeder line on the earth side. Therefore a high frequency voltage generated in the coupling coil 12 is impressed to both ends of the high frequency reactivity 15 through the coupling capacito 16, while a high frequency high-voltage is impressed through the high-frequency bypath capacitor 9 upon between the electrode 3 and said material 4. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H06308774-A (JP)
Title: Negatively chargeable developer for developing electrostatic charge image
Inventor: MINAMITANI TOSHIKI
IPC: G03G9/097
Filed: 1993-04-20
Abstract: PURPOSE:To provide a stable negatively chargeable developer having satisfactory triboelectric chargeability. CONSTITUTION:In a developer based on a resin binder, a colorant and an electric charge controlling agent, perfluoroalkenyl polyvinyl phenyl ether represented by formula I is used as the electric charge controlling agent or a fluorine-contg. quaternary ammonium salt represented by formula II may further be used in combination. The objective negatively chargeable developer for developing an electrostatic charge image is provided. In the formula I, Rf is 6-9C and 11-17F perfluoroalkenyl and (n) is a positive integer. In the formula II, X is -SO2- or -CO-, each of R1-R4 is H, 1-10C lower alkyl or aryl, Y is I or Be and each of (m) and (p) is a positive integer.
Patent JP-H03291623-A (JP)
Title: Compensating plate for liquid crystal display element
Inventor: IIDA SHIGEKI
IPC: G02F1/133
Filed: 1990-04-10
Abstract: PURPOSE:To obtain a black and white display of high quality and to reduce the electric power consumption of a back light by forming the compensating plate of films consisting of liquid crystalline high polymers which are formed on oriented films, are twisted nematic-oriented in a liquid crystal state and attain a glassy state at temp. below the liquid crystal transition point and specifying the ray transmittance of the compensating plate. CONSTITUTION:The compensating plate 3 has at least 80% ray transmittance and basically consists of the three-layered structures of a light transparent substrate 4, the oriented films formed on the light transparent substrate 4 and the liquid crystalline high polymers formed on the oriented films. The liquid crystalline high polymers are twisted nematic-oriented in the liquid crystal state and attain the glassy state at the temp. below the liquid crystal transition point. The complete black and white displaying is possible particularly with one sheet of the color compensating plate 3 for an STN liquid crystal display in this way; in addition, the weight and thickness of the liquid crystal display are reduced and further, the electric power consumption of the back light is reduced as the transparency is extremely high.
Patent JP-H04302597-A (JP)
Title: Carrier generator
Inventor: MASHITA MAKOTO
IPC: H04N9/793
Filed: 1991-03-29
Abstract: PURPOSE:To provide the carrier generator which generates a carrier signal capable of improving the S/N of a carrier to convert the frequency of the chrominance signal in a video tape recorder and transient reply. CONSTITUTION:A converter 2 inputs 160fH and 4fSC frequency signals and outputs 4(fSC+40fH) frequency signals. A filter 8 takes out a main component from the output of the converter 2. A frequency divider 4 divides signals passing through the filter 8 in a quarter and converts it into four signals with 90 deg.-deviated phase. A changeover circuit 5 switches four-phased signals from the frequency divider 4 with their phase shifted by 90 deg. during one horizontal synchronization period successively and outputs them as carrier.
Patent JP-S5718731-A (JP)
Title: Mica prepreg
Inventor: EGUCHI KUNIYUKI
IPC: C08J5/24
Filed: 1980-07-10
Abstract: PURPOSE: To prepare the titled prepreg having excellent storage stability, and giving a cured product having high electrical characteristics, by impregnating collected mica with a composition composed of an unsaturated polyester, diallyl phthalate, an organic peroxide, etc.  
     CONSTITUTION: The objective prepreg can be prepared by impregnating collected mica lined with a reinforcing material, with a resin composition composed of (A) 100pts.wt. of an unsaturated polyester based on terephthalic acid and/or isophthalic acid, (B) 10W60pts.wt. of diallyl phthalate, or a mixture of diallyl phthalate and its prepolymer, (C) 0.5W5pts.wt. of an organic peroxide, and (D) 0.5W10pts.wt. of a vinylsilane coupling agent.  
     EFFECT: It can be hardened at a moderate temperature, i.e. about 80W100°C. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H02274330-A (JP)
Title: Device for changing embossing rolls in embossing device
Inventor: HORIKOSHI TOSHIHARU
IPC: B21B31/08
Filed: 1989-04-13
Abstract: PURPOSE:To reduce the changing time of rolls by providing a roll hanging on the upper part of an embossing part and equipping a supporting part to move between the roll hanging part and a roll supply and recovery position to supply the roll recovered from a roll takeout part and a new roll to the hanging part. CONSTITUTION:The embossing roll hanging part 29 is moved to a supply position, D to chuck a new embossing roll, the hanging part 29 where the new roll is hung is moved and stopped at an embossing roll supply position B on the upper part of an embossing part 10. An embossing roll receiver part 14 is moved from a backup roll 12 to the separating direction and stopped at an embossing roll receiver position C. An embossing roll 13 is taken out of an embossing roll receiver part 14, an empty embossing roll receiver part is moved and stopped at the embossing roll supply position B, an upper roll hanger part is lowered, the new roll is mounted on the roll receiver part to complete the change of the embossing rolls. In this way, the change of the rolls is carried out in the course of production and the production efficiency can be improved.
Patent JP-H03291919-A (JP)
Title: Semiconductor device and its manufacture
Inventor: TSUNENARI YOSHITSUGU
IPC: H01L21/28
Filed: 1990-04-09
Abstract: PURPOSE:To realize stable bonding to an insulating film without using a special adhesive layer between a high melting point metal film and the insulating film, by providing an interface mix layer between the insulating film and silicon or the like which layer is formed on the surface containing an aperture, and a high melting point metal film which is formed on the interface mix layer and fills the aperture. CONSTITUTION:The title device is provided with the following; an insulating film 101 formed on a semiconductor substrate 106, an aperture 103 for contact formed in the film 101, an interface mix layer 109 between the film 101 and silicon or germanium which layer is formed on the film 101 containing the aperture 103, and a wiring containing a high melting point metal film 105 which is formed on the layer 109 and fills the aperture 103. For example, a poly silicon film 102 is deposited on the surface containing the contact hole 103 in the insulating film 101, and the interface mix layer 109 in formed by implanting As ion in the whole surface. By using WF6 gas, a W film 105 is formed and fills the contact hole 103. After the W film 105 on the upper surface of the film 101 in eliminated, and the surface is flattened, and aluminum wiring 107 connected with the W film 105 is formed.