baber/WOPTO huggingface dataset:
Patent JP-S60255739-A (JP)
Title: Production of 1,2,4,5-tetramethylbenzene
Inventor: ISHIDA HIROSHI
IPC: B01J29/06
Filed: 1984-05-31
Abstract: PURPOSE:To obtain the titled compound economically, by using fine particle of crystalline aluminosilicate having specific silica/alumina ratio as a catalyst in the vapor-phase methylation of xylene and/or 1,2,4-trimethylbenzene with methanol. CONSTITUTION:Xylene and/or 1,2,4-trimethylbenzene is methylated with methanol in vapor phase to obtain 1,2,4,5-tetramethylbenzene useful as an intermediate of pyromellitic acid (a raw material of polyimide resin). In the above process, crystalline alumino-silicate fine powder having a silica/alumina ratio of >=20, preferably >=30 and an average particle diameter of <=1mum, preferably <=0.5mum, e.g. ZSM-5, ZSM-11, ZSM-12, etc., especially ZSM-5, is used as the catalyst. The objective compound can be produced in high selectivity suppressing the deactivation of the catalyst.
Patent JP-H10212281-A (JP)
Title: Production of 3-carene epoxide
Inventor: YAMAMOTO NOBORU
IPC: C07B61/00
Filed: 1997-04-25
Abstract: PROBLEM TO BE SOLVED: To produce the subject compound usable as a synthesis intermediate, etc., of an insect pest repellent by reacting a mixture of 3-carene and acetonitrile with hydrogen peroxide in the presence of a salt. SOLUTION: The objective 3-carene epoxide of formula II is obtained by reacting a mixture of 3-carene of formula I (a wedge-type mark represents relative configuration) and acetonitrile with hydrogen peroxide in the presence of a salt selected from an alkali metal carbonate and an alkali metal bicarbonate in a solvent at 55-65 deg.C. The amounts of the acetonitrile and the hydrogen peroxide used therefor are each 1.5-3mol per mol of 3-carene and the amount of the salt is 0.05-0.2mol. The 3-carene epoxide of formula II can be introduced into 3,4-carenediol of formula III useful as an insect pest repellent, etc.
Patent JP-S63274923-A (JP)
Title: Liquid crystal display element
Inventor: AKATSUKA MINORU
IPC: G02F1/133
Filed: 1987-05-07
Abstract: PURPOSE:To obtain a natural, easily visible, and black and white display by specifying the angle of torsion of a liq. crystal molecule, product of the anisotropy of the refractive index and the thickness, and deviation angles between the polarization axes of upper and lower polarizing plates and the liq. crystal molecule arrangement. CONSTITUTION:The angle of torsion PSI of the liq. crystal molecule between both electrodes when a voltage is not impressed is controlled to 220 deg., and the product of the anisotropy (DELTAn) of the refractive index of the liq. crystal and the thickness (d) of the liq. crystal layer is adjusted to 0.5-0.7mum. In addition, the deviation angle alpha between the arrangement direction of a liq. crystal molecule major axis on the surface of an electrode on this side of an observer and the polarization axis of the adjacent polarizing plate is adjusted to 55-75 deg.. The same deviation angle beta of the liq. crystal molecule on the opposite side of the observer is controlled to 15-35 deg.. A white display can be obtained by such a liq. crystal device when a voltage is not impressed, a black display can be obtained when a voltage is impressed, and a natural, easily visible, and black and white display can be obtained.
Patent JP-S5737128-A (JP)
Title: Buffer and pillar with projections
Inventor: KIMURA NOBUTSUGU
IPC: E04H6/42
Filed: 1980-08-09
Abstract: PURPOSE:To protect pillars of a packing gearage within a building by providing multiple projections of steel, etc. around pillars with elastic material inbetween to prevent damage of pillars caused by a collision of a car and also encourage a careful driving by the existence of these projections. CONSTITUTION:To project pillars 1 of a parking garage in a building from damage by car collision, many projections 3, shaped like saw teeth, are provided at an adequate vertical position around the pillar 1, with elastic material 2 such as rubber or spring inserted inbetween. Projections 3 are made of cast steel or rolled steel. Projections 3 will encourage a careful driving because touching with them will cause scratches on the car body. Even collision of a car against the pillar 1 actually occurs, the shock of collision is absorbed by the elastic material 2 reducing the effect of accident. The pillars 1 are thus protected from damage.
Patent JP-H0843546-A (JP)
Title: Mechanical type timepiece
Inventor: MOORISU GURIMU
IPC: G04B19/20
Filed: 1995-05-08
Abstract: PURPOSE: To expose a tourbillon fully from a dial side by fitting the tourbillon turnably on an inside single shaft and supporting its base rotatably on the same shaft and suspending a lower part of the tourbillon on the shaft to allow its upper part to be free and arranging it in a center of a clock. CONSTITUTION: A tourbillon 20 is rotatably fit around a center vertical axis X of a clock. An inner wheel 62a of a bearing 62 is fixed by its base 32 and most of a constitution elements of the tourbillon 20 are supported by the base 32. Thus, the tourbillon 20 has such a structure that the base 32 is suspended by the bearing 62 and its upper part is perfectly free. Whereby, the tourbillon 20 fit in the center of the clock can occupy a large diameter size and which can occupy most of usable surface of the clock.
Patent JP-2000300294-A (JP)
Title: DETERMINATION OF HEMOGLOBIN Alc
Inventor: SEKIGUCHI MASAHIRO
IPC: C12Q1/37
Filed: 1999-04-16
Abstract: PROBLEM TO BE SOLVED: To provide a method for simply and accurately determining hemoglobin Alc(HbAlc) in a sample. SOLUTION: This method comprises successively treating a test specimen with a protease capable of cleaving the carboxyl group side of leucine at the third from β-chain N end of hemoglobin Alc and then a protease capable of cutting out His-Leu from fructosyl-Val-His-Leu and then measuring fructosylvaline formed there.
Patent JP-S61267097-A (JP)
Inventor: HAYASHI SHUNEI
IPC: G09G3/04
Filed: 1985-05-21
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-H02292513-A (JP)
Title: Fibre reinforced complex resin rotary body
Inventor: HIYAMIZU KEIJI
IPC: F16C13/00
Filed: 1989-04-29
Abstract: PURPOSE:To conduct support equally through the retention of the real circle degree of a body, by providing between a cylindrical fibre reinforced complex resin made body and a rotary shaft segments which are made to be movable relatively in a radial direction to each other, and conducting movement radially by sliding them axially. CONSTITUTION:A rotary drum possesses, for example, a cylindrical body 2 which is a carbon fibre reinforced complex resin made main body 2a with a metal pipe 2b of aluminum put thereon, a rotary shaft 1 and end plates 3, 4. A plurality of rib means 6 are provided between the body 2a and the rotary shaft 1. A rib means 6 is made up by retaining slidably in an axial direction by means of a slide guide 7 radial segments 8, 9 united with skew surfaces 8a, 9a. When rib means 6 are insertedly fitted toward one end plate 3, and the other end plate 4 is fitted and pressed, skew surfaces 9a slide and move radially, and segments 9 are inscribed to the body 2. Accordingly, an equal sufficient support strength is obtained, and a real circle degree is retained.
Patent JP-S5837007-A (JP)
Inventor: ROBAATO NOBUSU HAWAADO
IPC: C08F4/00
Filed: 1982-06-28
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-H01280259-A (JP)
Title: Zero phase voltage detecting instrument
Inventor: NEMOTO YUJI
IPC: G01R29/16
Filed: 1988-05-06
Abstract: PURPOSE:To prevent a malfunction of a grounding relay by measuring each phase voltage of a three phase service wire by a photo voltage sensor using an optical fiber and correcting the zero phase voltage component obtained by synthesizing its output signal so much of the three phase. CONSTITUTION:Each phase voltages of the three phase service wires 9a-9c are measured by the photo voltage sensors 11a-11c using the optical fibers 15a-15c, its output signals are synthesized so much of the three phase by an adder circuit 17 then the zero phase voltage component is obtained. In a correcting arithmetic circuit 18, a stored value of a second memory being stored so much of one period of a reference stored value every prescribed electric angle is subtracted from the stored value of a first memory being stored so much of one period of the calculated zero phase voltage component every prescribed electric angle. This subtracted value is compared with a prescribed value and by updating contents of the second memory, the correction of the zero phase voltage component being occurred by a slow change of a temperature and humidity etc., is performed.
Patent JP-S5734633-A (JP)
Title: Electron gun structure
Inventor: WATANABE TAKESHI
IPC: H01J29/04
Filed: 1980-08-11
Abstract: PURPOSE:To improve accuracy of assembly, by fixing a cathode eyelet supporter and a cathode insulator stone to the retainer into an unit assembly and fitting this assembly into a cup shape space in the control electrode and fix it there. CONSTITUTION:A cathode insulator 16 formed by sintering and molding alumia ceramics with high purity is inserted into a cup-shape space in retainer 18, further a cathode support 17 made of hermetic material and provided with a cathode eyelet support 6 is also inserted in this space and fixed, thus a retainer assembly 19 is built up, subsequently, cathode 5 is welded and fixed to the cathode eyelet support 7 so that the interval between the electron radiation layer 15 and control electrode 1 may be set to the prescribed value in reference to the surface 16a on which cathode insulator stone 16 touches the internal surface of the control electrode 1. And then, the retainer assembly 19 to which cathode 5 is welded is inserted the cup shape space in electrode 1 and the surface 16a is arranged to touch the internal surface of electrode 1 and welded to be fixed there. The accuracy of assembly can be improved through the above constitution.
Patent JP-S59715-A (JP)
Title: Constant current split circuit
Inventor: ITOU FUMIO
IPC: G05F1/59
Filed: 1982-06-25
Abstract: PURPOSE:To reduce the number of transistors(TRs) in attaining a current split circuit having lots of kinds of cascade connections or a large current ratio, by using plural mutli-emitter TRs to each emitter of which a split current flows. CONSTITUTION:A current switch drive circuit 1 turns on sequentially current switch circuits A-1-A-4 with a shift pulse. A current switch changeover circuir 2 consists of current switch circuits A-1-A-4 and the multi-emitter TRs E-1- E-4, the current of a current source S is outputted splittingly to split output terminals L and G. When any of the current switch circuits A-1-A-4 is turned on, the current split circuits D-1-D-4 are all turned on, and the multi-emitter TRs are turned on and off selectively with the emitter coupling connection between the multi-emitter TRs E-1-E-4 and the current switches A-1-A-4 and a current being 3/4 of the current source S is produced at an output terminal L.
Patent JP-S5812546-A (JP)
Title: Magnetic path forming member and manufacture thereof
Inventor: MIZUNO SHIGERU
IPC: H01F3/08
Filed: 1981-07-15
Abstract: PURPOSE:To eliminate a loss at a machining time and to enhance the accuracy of machining size of a magnetic path forming member by covering the surface to be machined when pressure hardening composite power of magnetic powder and binder to form the member and then machining the member. CONSTITUTION:When composite powder mixed with magnetic powder as base and thermosetting resin as binder is pressure molded and thermally hardened to form a magnetic path forming member 1 such as a rotor or a stator, the surface 2 to be machined is covered with resin 3 such as thermosetting resin. Subsequently, machining such as cutting is performed to finish the member. In this manner, the surface to be machined is not damaged at the machining time, and ?the accuracy of machining size can be improved.
Patent JP-S5734433-A (JP)
Title: Method and apparatus for measuring thermosetting characteristic
Inventor: NOUTOMI TOORU
IPC: G01N11/00
Filed: 1980-08-11
Abstract: PURPOSE:To measure and record the behavior of an unhardened or half-hardened resin until the gelation by providing a load detector with the detecting rod of a low heat transferring material to contact a sample resin. CONSTITUTION:A heater 5 is provided on the inner bottom of a supporting frame 4 made of a heat insulating material and a recess 3 and a thermocoupling 7 thereon. The frame 4 oscillates vertically through a supporting rod according to the rotation of an eccentric cam 6 on the outer bottom. A load detector 1 removably equipped with a detecting rod 2 made of a low heat transferring material is arranged at the top of the recess 3. An unhardened or half-hardened resin is housd in the recess 3 and oscillated vertically at a specified cycle while retained at a given temperature or heated at a given rate. At this point, chages in the force to the detecting rod 2 due to the viscosity and stickiness of the sample resin is measured and recorded with the load detector 1.
Patent JP-S61268762-A (JP)
Title: Concentration of naturally-occurring dyestuff
Inventor: AKI TADANORI
IPC: A23L27/12
Filed: 1985-05-24
Abstract: PURPOSE:To obtain the titled dyestuff for food additive use free from offensive odor, by extraction of paprika orange with high-pressure carbon dioxide to eliminate the odoriferous component contained followed by extraction of the residual liquor with ultra-critical carbon dioxide to separate the red dyestuff- contg. residual liquor from extract containing both yellow dyestuff and fatty oil. CONSTITUTION:Extraction tank 1 is charged with a paprika orange obtained through solvent extraction technique, etc. followed by feeding liquefied high- pressure carbon dioxide pressurized by pump 5 from storage tank 7 to the extraction tank 1, where extraction treatment is carried out to transfer the odoriferous component contained to the high-pressure carbon dioxide phase, said component being then discharged out of the tank 1. The residual liquor is subjected to extraction treatment with ultra-critical carbon dioxide to separate the extract consisting mainly of yellow dyestuff and fatty oil in the second separator tank 3 to obtain, in the tank 1, a red dyestuff-rich residual liquor, thus accomplishing the objective separation and concentration of the naturally- occurring dyestuff.
Patent JP-S5335120-A (JP)
Title: Induction /otor controller
Inventor: TERASONO NARUHIRO
IPC: H02P3/24
Filed: 1976-09-14
Abstract: PURPOSE: To control the abnormal DC braking current applied in an induction motor by previously igniting the specified unidirectional thyristor without fail when DC braking control is started. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S62266550-A (JP)
Title: Photosensitive body
Inventor: YOSHINO KUNIHISA
IPC: G03G5/12
Filed: 1986-05-14
Abstract: PURPOSE:To enable the relatively easy adhesion especially of a filter layer to the photosensitive layer of a photosensitive body and to improve the insulation by forming a color separation layer as the filter layer on the photosensitive body with silicone varnish in-between. CONSTITUTION:A layer having a color separation function (a color separation layer or a member for color separation) is joined to upper side and/or lower side of a photosensitive layer with silicone varnish. The preferred thickness of the binder (silicone varnish) is about 1mum in case where a filter layer is adhered to the photosensitive layer. A photosensitive body 40 has a photosensitive layer 12 formed on an electrically conductive member 11, and a layer 3 composed of a composite filter layer 3a consisting of a group of necessary minute color separation filters and a thin film 3b and adhered to the surface of the layer 12 with a silicone varnish binder 2.
Patent JP-H11300414-A (JP)
Title: Manufacture of clad material by extrusion, and extruding tool therefor
Inventor: SHIRAI KAZUMASA
IPC: B21C25/02
Filed: 1998-04-21
Abstract: PROBLEM TO BE SOLVED: To surely cut the dissimilar material which is previously charged in an extruding tool from the remainder of extrusion by retreating a container in the manufacture of a clad material using the extruding tool having plural passage holes for materials. SOLUTION: This extruding tool is composed by combining a die 6 and plate 7, the rear end openings of a passage hole 11 for the material of a base metal and passage hole 12 for a dissimilar material which are released to a rear container 13 are formed on the plate 7 and also the passage hole 12 for the dissimilar material is formed into a tapered hole which is outward extended at the angle θ of 5-15 deg. facing the front.  Using this extruding tool, after the dissimilar material 3 charged in the container 13 is filled up by extruding it in the passage hole 12 for the dissimilar material while leaving the passage hole 11 for the material of base metal, the filled dissimilar material 3 is cut from the remainder 3a of extrusion by retreating the container 13, next, by applying extruding force to the material 2 of base metal charged in the container 13, the materials 2, 3 in the respective material passage holes 11, 12 are press-welded to each other before the materials are passed through the bearing part 9.
Patent JP-S5336093-A (JP)
Title: Pressing system
Inventor: OKADA MASATSUGU
IPC: B23D15/00
Filed: 1976-09-14
Abstract: PURPOSE: To improve utilization rate of material as well as productivity by using computers in pressing various products in small lots for electric and electronic communication equipment. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H01281465-A (JP)
Title: Developing method for image forming device
Inventor: OKEGAWA NAGAKAZU
IPC: G03G15/01
Filed: 1988-05-09
Abstract: PURPOSE:To eliminate the need for a connector and a harness and to simplify the structure of an entire copying machine by impressing a developing bias voltage on a latent image carrier through conductive abutting members on a latent image carrier side and a developing device side. CONSTITUTION:A 2nd developing device 4 is pushed out to a left side by means of a switching cam 7b, resisting the spring power of a returning spring 8b. The abutting member 6 of the 2nd developing device abuts on the latent image carrier 1 with its conductive substance part. In such a state, the 2nd developing device 4 develops a latent image on the latent image carrier, when the developing bias voltage is impressed between the latent image carrier and the developing roll of the 2nd developing device by a power source 9 through the conductive substance of the abutting members 2 and 6. Thus, the structure of the entire copying machine can be simplified.
Patent JP-H08305787-A (JP)
Title: Polygon mirror motor
Inventor: SAKAUCHI IKUO
IPC: G06K9/20
Filed: 1995-05-09
Abstract: PURPOSE: To omit relative positioning adjusting work for a polygon mirror body in a code generating part for generating electric signals corresponding to respective reflection faces of the polygon mirror body in a polygon mirror motor. CONSTITUTION: The polygon mirror motor to be used for a bar code reader for reading out a bar code by laser light is provided with a polygon mirror body 1 obtained by integrally molding plural reflection faces 1a, 1c formed on the side face parts of a polygon body in order to reflect laser light continously radiated in one direction to a range more than the outside size of a bar code and a code generating part 2 for generating electric signals corresponding to the reflection faces 1a, 1c, high speed rotational driving means 5, 11, 7, 9 for continuously rotating the body 1 at a high speed and a detection means for contactlessly detecting the code generation part 2 and outputting a generated electric signal to the bar code reader.
Patent JP-S63276311-A (JP)
Title: Tone control circuit
Inventor: KATAKURA MASAYUKI
IPC: H03G5/02
Filed: 1987-05-08
Abstract: PURPOSE:To control the low and high sound frequencies of an audio signal symmetrically without changing the filter characteristic by converting an output of an LPF circuit and an HPF circuit into a current and using the current so as to control the feedback type amplifier having an inverting input and a noninverting input. CONSTITUTION:An input signal Vi is given to a noninverting input of an operational amplifier 41, the LPF 42 and the HPF 43 via a resistor Ri from an input terminal 1 and an output signal V0 is extracted from an output terminal 2. The output of the LPF 42 is inputted to voltage-current converters 44, 45, and are converted to outputs with currents multiplied by gm(1-KB) and gm(1+KB), respectively, where gm is the mutual conductance and KB is a coefficient controlling the low sound frequencies. Moreover, the output of the HPF 43 is inputted to converters 46, 47, and are converted to current outputs multiplied by the factors ga(1-KT) and ga(1+KT), respectively, where KT is a coefficient controlling the high sound frequencies.
Patent JP-S5536785-A (JP)
Title: Scattered light type smoke sensor
Inventor: KATOU TOSHIKAZU
IPC: G01N21/53
Filed: 1978-09-07
Abstract: PURPOSE:To improve S/N by simple constitution, by arranging a multiple, mountain-like, uneven portion, which top portions are acute angles, to a base of a smoke sensing chamber. CONSTITUTION:A mountain-like, uneven portion 1C, which top portions are acure angles, is mounted in a multiple streak shape to a portion where effective beams from a luminous element 4 are irradiated and a portion where scattered lights are irradiated on a base of a cover 1. The effective beams and the scattered lights are approximately attenuated by means of the mountain-like, uneven portion, and the advance of the beams and lights toward a light receiving element 5 is directly obstructed. When smoke enters, the beams from the luminous element 4 are scattered by smoke, and the scattered lights are projected to the light receiving element 5.
Patent JP-S63278568-A (JP)
Title: Method for selecting superconductive substance
Inventor: CHIBA YOSHITERU
IPC: B03C1/021
Filed: 1987-05-08
Abstract: PURPOSE:To select and recover a desired high-purity superconductive substance by imparting a magnetic field to an aggregate consisting of powder substances having different superconductive transition temps. at a desired temp. to suspend the aggregate, and recovering the suspended aggregate. CONSTITUTION:In the case of an oxide superconductive substance, for example, an aggregate of a powdery substance 1 exhibiting superconductivity at 77 deg.K and a powdery substance 2 exhibiting no superconductivity at 77 deg.K is separated as follows. A glass vessel 5 is placed on a permanent magnet 4, and liquefied nitrogen 3 is introduced into the vessel. When the aggregate is introduced into the glass vessel 5 contg. liquefied nitrogen 3, the substance 1 exhibiting superconductivity at >=77 deg.K is floated up by the Meissner effect. Besides, the substance 2 exhibiting no superconductivity remains at the bottom of the glass vessel 5. The separated superconductive substance powder is recovered. In addition, a material having superconductivity at a higher temp. can be obtained by setting the classification temp. at a higher temp.