baber/WOPTO huggingface dataset:
Patent JP-S54148740-A (JP)
Title: Production of 3-methyl-2-cyclopentene-1-one
Inventor: HORINO KOU
IPC: C07C49/597
Filed: 1978-05-10
Abstract: PURPOSE: Only heating of 4-methylpentenoic acid in the presence of a solid acid catalyst economically and advantageously gives title compound usefuel as a starting material for various medicines, perfumes, agricultural chemicals in high yield.  
     CONSTITUTION: 4-Methylpentenoic acid is heated in the presence of a solid acid catalyst at 250W450°C and converted to 3-methyl-2-cyclopentene-1-one. The solid catalyst used is, e.g., silica-alumina, solid phosphoric acid, boron phosphate, zeolite. The starting compound, 4-methylpentenoic acid, is readily prepared by reaction between methallyl chloride and an acetoacetate ester in the presence of an alkali metal alkoxide followed by hydrolysis using an alkali.  
     EFFECT: The operations are simple. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H08249452-A (JP)
Title: Image forming system
Inventor: KAWASE MICHIO
IPC: H04N1/32
Filed: 1995-03-15
Abstract: PURPOSE: To provide an image forming system capable of efficiently operating the whole of the system by performing an image formation by one or plural groups. CONSTITUTION: When the one group constituted of stations A to D is set and each 200 sheets copies of 16 sheets of originals are taken, the copying is performing by sorting the first to the fourth originals, the fifth to the eighth originals, the ninth to the twelfth originals and the thirteenth to the sixteenth originals to a station A, a station B, a station C and a station D, respectively.
Patent JP-H01231284-A (JP)
Title: Heating unit
Inventor: NISHIYAMA ITSUO
IPC: H05B3/14
Filed: 1988-03-09
Abstract: PURPOSE:To increase a resistance value rapidly in a specified temperature range and to prevent reduction of the value even over the temperature by providing a heating unit element, which is formed by blending a conductive filler with water cross-linking polyolefin, and an electrode energizing this element. CONSTITUTION:Water cross-linked polyolefin not melted by heat is used as matrix, to which a conductive filler is added to form a heating unit element 2, and the element is energized by an electrode 1. The polyolefin does not melt if the temperature exceeds a specified level, so there is no flow and no decrease in its resistance value. It is thus possible to provide a heating unit excellent in reliability as the resistance value is not lowered even if the resistance value rises abruptly in a specified temperature range.
Patent JP-H11246191-A (JP)
Title: Heavy weight carrying device and method
Inventor: HARIYAMA MASAO
IPC: B66F9/06
Filed: 1998-03-06
Abstract: PROBLEM TO BE SOLVED: To safely carry a heavy cargo by a small number of workers, and thereby enhance its operating efficiency. SOLUTION: An inclining leg 23 is supported rotatably around a pin 24 at the middle part in the vertical direction of a main body frame at its one end side, and the range of its revolution angle is regulated by an angular regulating plate 26 in the area between θ1 and θ2 . By the constitution, a carrying device 100 can be formed into three postures, that is, a first carrying posture (indicated by a dash line) where a main wheel 13 and a front wheel are brought into contact with a road surface, an intermediate posture (indicated by a solid line) where the main wheel 13 and a rear wheel 28 are brought into contact with the road surface, and furthermore, the revolution angle of the inclining leg 23 is held at θ1 , and a second carrying posture (indicated by a two dot chain line)  where the main wheel 13 and the rear wheel 28 and brought into contact with the road surface, and the revolution angle of the inclining leg 23 is held at θ2 .
Patent JP-H08250437-A (JP)
Title: Metal organic vapor growth method
Inventor: NAKAMURA TAKAHIRO
IPC: C23C16/18
Filed: 1995-03-15
Abstract: PURPOSE: To provide a metal organic vapor growth method capable of forming a steep hetero interface in the production of an InGaAsP multi-layer construction having different compositions. CONSTITUTION: After the growth of InGaAsP well layer, waiting occurs at AsH3 and PH3 of V group of the composition of said well, thereafter, waiting (TBP waiting process) occurs at the V group gas having TBP before the growth of InGaAsP barrier layer where As composition is less than the well layer, and the barrier layer grows. By doing this, the TBP has a decomposition temperature about 100 deg.C lower than that of PH3 and has a phosphorus pressure about 5 times higher or more at the same growth temperature and the same V/III ratio, so that the desorption of arsenic stuck to the inside of a growth oven or V-group atoms at the growth interface can be suppressed by the high phosphorus pressure. Therefore, in the InGaAsP multi-layer film growth, the residual or desorption of arsenic at the interface can be suppressed and a steep hetero interface can be realized.
Patent JP-H02234917-A (JP)
Title: Deodorizing conjugate fiber and deodorizing fiber mixture
Inventor: YOKOZAWA MICHIAKI
IPC: D01F8/04
Filed: 1989-03-08
Abstract: PURPOSE:To obtain the subject fiber, consisting of a thermoplastic polymer component containing a prescribed amount of a zinc compound and a thermoplastic polymer component containing a prescribed amount of an aluminum compound and exposing both components to the surfaces thereof and capable of maintaining deodorizing effects for a long period. CONSTITUTION:The objective fiber which is conjugate fiber, consisting of (A) a thermoplastic polymer component, such as polyester or polyamide, containing 0.1-15wt.% zinc compound, such as zinc oxide or zinc sulfate, and (B) a thermoplastic polymer component containing 0.1-15wt.% aluminum compound, such as aluminum (sodium) sulfate, and exposing both components (A) and (B) to the surface of the above-mentioned fiber.
Patent JP-H11236296-A (JP)
Title: Bismuth-substituted garnet thick film material and its production
Inventor: SATO TADAKUNI
IPC: G02F1/09
Filed: 1998-02-20
Abstract: PROBLEM TO BE SOLVED: To provide the subject garnet thick film material that is used as a substitute material for a Tb-Bi based garnet thick film material having essential absorption in an about >=1.6 μm wavelength band region and has improved insertion loss (improved transmissivity) and an improved θf/ T (temp. coefficient of Faraday rotation angle (θf ) value in a >=1.5 μm wavelength band region in which an unfavorable influence on the absorption spectrum due to Th ions is caused, and also to provide the production of this material. SOLUTION: This film material is a bismuth-substituted garnet thick film material which is produced by an LPE(liquid phase epitaxy) method with NGG (neodymium gallium garnet, Nd3 Ga5 O12 ) as the substrate and has a composition represented by the chemical formula Gd3-x-y-2 Yx Yby Biz Fe5-a Ala O12 (wherein: each of (x) and (y) is a numerical value of 0 to 0.2 and when any one of (x) and (y) is 0, the other is not 0; (z) is a numerical value of 0.8 to 1.4; and (a) is a numerical value of 0.2 to 0.7) and also contains 0 to 3.7 wt.% B2 O3 . The material is subjected to heat treatment while maintaining the material at 950 to 1,130 deg.C in an atmosphere having a >=5% oxygen concn.
Patent JP-S52147968-A (JP)
Title: Manufacture of semiconductor device
Inventor: NAKAMURA KUNIO
IPC: H01L21/283
Filed: 1976-05-14
Abstract: PURPOSE: To obtain a shallow and uniform pn-junction surface by injecting ion through windows via non-metal thin film of non-single crystal or non-metal thin film whose grid constant or crystallization direction is different from the substrate. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H11235450-A (JP)
Title: Device for preventing fraudlent opening of front frame of pachinko machine
Inventor: ENOMOTO HIROSHI
IPC: A63F7/02
Filed: 1998-02-19
Abstract: PROBLEM TO BE SOLVED: To prevent the front frame of a pachinko machine from being opened fraudulently using a duplicate key and control fraudulent modifications including replacement of a ROM, etc. SOLUTION: In a pachinko machine where a front frame 2 is pivoted openably to one side of a frame 1, that front frame is designed to be closed by engaging the moving hook-shaped piece 7 of a locking mechanism 4 provided on the front frame with a projecting piece 14 provided on the frame, a source of electrical driving and a locking member 23 are provided on the frame 1, the locking member 23 is provided so as to rotate the moving hook-shaped piece 7 into a position where the moving hook-shaped piece 7 is locked in an engaged state with the projection piece 14 and a position where the moving hook-shaped piece 7 can be released from a locked state, usually the locking member 23 is rotated and urged in a locking position and rotated into a lock releasing position by the operation of the source of electrical driving.
Patent JP-H11241322-A (JP)
Title: Partitioning device
Inventor: KAWAI TAKASHI
IPC: E01F13/00
Filed: 1998-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a partitioning device without requiring a spring or the like, capable of reducing the manufacturing cost and making it thin. SOLUTION: The inside of a belt housing body 3 is provided with a winding member 13 on the side of the belt housing body, and a weight body 16 is provided with winding member 19 on the side of the weight body. One end of a belt 10 is connected to the weight body 16 housed inside the belt housing body 3, and the weight body 16 is suspended by the belt 10, and the belt 10 is drawn out to the outside of the belt housing body 3 from the other end side. In his case, by winding the belt 10 both around the winding member 13 on the belt housing body side and around the winding member 19 on the weight body side, the belt 10 is vertically folded more than twice inside the belt housing body 3. Then, the belt 10 is pulled, the belt 10 is drawn out to the outside of the belt housing body 3, and the weight body 16 is lifted against the gravitational force of the weight body 16.  When the restriction of the belt 10 is released, the weight body 16 is dropped, and the belt 10 is pulled into the inside of the belt housing body 13.
Patent JP-H09243451-A (JP)
Title: Apparatus for measuring light amount of scanning beam
Inventor: SUGIMURA KEIICHI
IPC: G01J1/02
Filed: 1996-03-13
Abstract: PROBLEM TO BE SOLVED: To simply measure a shading state for every scanning of beams, by sample-holding output signals of a photodetector at a predetermined timing with sample signals generated from a sample signal generator. SOLUTION: In a scanning optical unit, light beams from a light source 4 are reflected by a polygon scanner 5 and lines to be scanned are repeatedly scanned via a beam scan lens 6. Photodetectors 1-3 catch the scanning beams and output signals proportional to the amount of light beams. Amplifiers 7, 11, 15 amplify the output signals from the photodetectors 1-3, and output to sample hold circuits 8, 12, 16 and detectors 9, 13, 17. An output signal of each of detectors 9, 13, 17 is transmitted to a sample signal generation circuit, 10, 14, 18 which generates a sample signal so that the output signal of the amplifier 7, 11, 15 is sample-held at a predetermined timing. The circuits 8, 12, 16 output light amount, signals 1-3 in accordance with the sample signals of the circuits 10, 14, 18.
Patent JP-H01232667-A (JP)
Title: Lead plate connecting method for battery with lead plate
Inventor: MURATA TOMOYA
IPC: H01M50/528
Filed: 1988-03-11
Abstract: PURPOSE:To provide weldability for a metal lead plate with the terminal surface of battery simply and without damaging the battery by conducting ultrasonic welding using an ultrasonic horn having a V-shaped probe. CONSTITUTION:A metal lead plate 3 is put in contact with the terminal plate 1a of a button cell, and an ultrasonic horn 4 is pressed to the contacting parts by a pressurizing device 5. The pressure part of this ultrasonic horn 4 is provided with a V-shaped boss 7a, which bites into the lead plate 3. While the lead plate 3 is bitten, the ultrasonic horn 4 pressed to the terminal plate 1a is given a transverse vibration of 15-40kHz through an ultrasonic oscillator, not illustrated, and contacting force due to ultrasonic vibration is applied to the bitten part particularly. This enables a simple device to perform welding using a small amount of heat emission without giving any substantial ill influence upon the inside the battery.
Patent JP-S58173622-A (JP)
Title: Preparation of sheet for vacuum molding
Inventor: ISHIZAWA HIDEO
IPC: B41M3/12
Filed: 1982-04-05
Abstract: PURPOSE:To obtain a thick sheet having printed patterns for vacuum molding by such an arrangement wherein on a substrate which is easy to separate, a rewind type transfer sheet having a transfer layer containing a printed pattern layer is laminated and then molten thermoplastic resin is extruded and laminated on the transfer sheet, and after that, the substrate is peeled off. CONSTITUTION:On a substrate 1 which is formed by laminating polypropylene on the surface of a sheet of craft paper, fine paper, etc. or coating and hardening silicon and thermosetting polyester, a printed pattern layer 3 is formed by directly or through a transparent surface protecting resin layer 2 gravure printing patterns with an ink composed of polyvinyl chloride, etc. Further, an adhesive layer of styrol, etc. 4 is provided on the printed pattern laver. On the transfer sheet thus obtained, a layre of molten thermoplastic resin of the same kind as said adhesive layer 4 is extruded, laminated and integrated, and after that the substrate 1 is separated. Like this, a thick sheet fir vacuum molding can be obtained.
Patent JP-S62212617-A (JP)
Title: Optical image formation system
Inventor: SUZUKI TATSURO
IPC: G02B27/58
Filed: 1986-03-14
Abstract: PURPOSE:To reduce the diameter of an airy disk without increasing the 1st maximum quantity of light by arranging a special filter whose transmissivity is not zero on and nearby an optical axis and large outside it at or nearby the pupil of an image forming lens or their conjugate positions. CONSTITUTION:The filter 8 arranged at or nearby the pupil of the image forming lens 7 has characteristcs of transmissivity which is not zero on and nearby the optical axis and large outside it as shown figures A-C. When a light beam which has a Gaussian distribution is made incident on an optical system, the primary maximum is small, the diameter of the airy disk decreases, and picture quality, therefore, has no deterioration and resolving power increases.
Patent JP-S53141981-A (JP)
Title: Gas-solid separator for gas transportation machine
Inventor: HIRANO NOBUAKI
IPC: B01D46/02
Filed: 1977-05-17
Abstract: PURPOSE:To accomplish simplifier mechanism and easier maintenance while reducing the size and weight in an equipment for separating gas-sblid-mixed fluid into gas and solid of gas transportation machine designed to such dispersed material with air.
Patent JP-H08252019-A (JP)
Title: Floating straw detector of combined harvester
Inventor: MINAMI TERUO
IPC: A01D61/00
Filed: 1995-03-16
Abstract: PURPOSE: To provide a float straw detector excellent in reliability and capable of operating an alarm apparatus only when it is truly float straw without causing error detection and unnecessary alarm operation even in the case of long culms exceeding a control range of threshing depth. CONSTITUTION: This float straw detector of combined harvester is equipped with a threshing depth control means for oscillating and lifting and lowering a grain culm conveying apparatus 9 so that the tip of carrying grain culms are positioned between both sensors S1 and S2 float straw detector. The third sensor S3 for detecting whether the length of the carrying grain culms is long grains exceeding a threshing depth controlling range or not is provided in the starting end part of a feed chain 8 and the threshing depth controlling means is functioned so that buzzer is rung when the first and the second sensor S1 and S2 detect the existence and the third sensor S3 is detects the absence.
Patent JP-S62214963-A (JP)
Title: Piezoelectric element drive circuit
Inventor: TAKAHASHI MASAHIRO
IPC: B41J2/015
Filed: 1986-03-17
Abstract: PURPOSE:To enable a recorder of simple constitution to be easily realized by making up a matrix-type drive circuit in a piezoelectric element drive circuit even when a recorder with a large number of nozzles which requires plural piezoelectric elements to be driven. CONSTITUTION:A single piezoelectric element unit is composed of piezoelectric elements 5 and two zener diodes 11 connected in series. These units are electrically connected with wirein a matrix pattern of M lines (X) N rows. Output terminals of a line driver 12 and a row driver 13 are connected to each line drive wire and row drive wire. Two zener diodes 11 in each piezoelectric unit is wired in such a way that their energization direction may be reversed to each other. When ink droplets are injected, the output of a line driver to be selected is to be set to E(V) and other line drivers are to be set to a floating state. In the meantime, the row driver 13 corresponding to a nozzle through which ink droplets are to be injected, is to be set to O(V), while other row drivers are to be set to a floating state where the row driver side is concerned. The piezoelectric element unit is applied with E(V) and therefore, is prevented from unnecessary electric current by the action of the zener diode.
Patent JP-S59184053-A (JP)
Title: Master cylinder with center valve
Inventor: TAKEUCHI HIROO
IPC: B60T11/16
Filed: 1983-04-01
Abstract: PURPOSE:To facilitate the manufacture of a master cylinder, by separately forming a cylinder body, a mouth metal to be fitted with a reservoir, and a backward motion limiter, and by assembling them. CONSTITUTION:A master cylinder is composed of a cylinder body 1 open at both the ends, a mouth metal 2, which is liquid-tightly fitted on the front end of the cylinder body, a flange 3, which is fitted on its rear end, and tie rods 5, which couple the mouth metal 2 to the flange 3 and secure them to a bracket 4 as a mounting fixation member. The mouth metal 2 comprises an inlet part 2a connected to a reservoir 8, and an outlet part connected to a brake chamber, and a flange 2C in which the front portions 5a of the tie rods 5 are screw-engaged. A piston 6 is fitted in the cylinder body 1 so that the mouth metal 2 and the piston define a hydraulic pressure chamber 10. The flange 3 is provided with an engaging stopper 3b, with which the front end 7a of a push rod 7 comes into contact so that the backward motion of the piston 6 is limited.
Patent JP-S55150237-A (JP)
Title: Silicon monocrystalline wafer
Inventor: KISHINO SEIGOU
IPC: H01L21/324
Filed: 1979-05-11
Abstract: PURPOSE:To reduce the occurrence of infinitesimal fault in a silicon monocrystalline wafer at heat treating time by cutting to form the wafer with a silicon monocrystalline ingot, etching to remove cut strain of one surface to become front surface of the cut strains on the surface layer and retaining the strain on the other back surface thereof. CONSTITUTION:A silicon wafer cut from a silicon monocrystalline ingot formed by a pulling method produces an infinitesimal fault from the surface to the interior due to the presence of cut strain at the heat treatment at 1,050 deg.C used frequently. Accordingly, the surface to be formed with an element thereon is etched to remove the cutting strain, but the cutting strain on the back surface is intentionally retained. Thus, the retained cutting strain is gettering the infinitesimal fault and heavy metal impurity during the process to remarkably reduce the strain in the wafer.
Patent JP-H11254666-A (JP)
Title: Recorder
Inventor: OKI YASUSHI
IPC: B41J2/055
Filed: 1998-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a recorder for recording an image of a high resolution by discharging a fine ink droplet. SOLUTION: The recorder 11 has a cantilever structure in which an elastic member 12 is supported at a base end 14 to a vibration generating means 16. Accordingly, the means 16 is vibrated by a predetermined frequency so that the member 12 is resonated. And, an ink droplet is discharged from a vibrating surface near an end 18 to record a dot on a recording sheet. Thus, an image of a high resolution can be recorded with the fine ink droplet. In this case, a preliminary signal is applied before a drive signal to be applied from a signal generating means 44 to the means 16, and hence a vibration of the means 16 becomes instantaneously rising stable state. Accordingly, the drive signal can be shortened, and an image recording can be accelerated.
Patent JP-S62215227-A (JP)
Title: Photodetecting device for synchronizing signal generation of laser beam scanning device
Inventor: YAMAZAKI KOZO
IPC: B41J2/44
Filed: 1986-03-17
Abstract: PURPOSE:To eliminate the formation of an abnormal image due to reflected light from a photodetecting element for synchronous detection with simple constitution by arranging the photodetection formation surface of the photodetecting element slantingly to a plane crossing an incident laser beam at right angles so that the light beam traces a route which does not reach the image formation surface. CONSTITUTION:The photodetecting element 13 is fitted having its reverse surface in contact with a photodetecting element fitting surface 15 provided in a cylindrical photodetection part support member 14, and a cylindrical lens 17 is provided on the front end surface of the cylinder part of the photodetection part support member 14 in front of the photodetecting element 13 across a housing 16 for cutting off external light. The photodetecting element fitting surface 15 is provided slanting from the plane perpendicular to the incidence direction of the laser beam 2a for synchronous detection and the photodetection surface of the photodetecting element 13 fitted having its reverse surface in contact with said surface also slants from the plane perpendicular to the incident light of the laser beam 2a, so that reflected light is reflected by the photodetection surface as some angle to the incident light 2a shown by a broken line 19. The photodetection part support member 14 is fitted at such a position that the reflected light 19 is not incident on a mirror for synchronous detection, etc.
Patent JP-S57174106-A (JP)
Title: Gasket for electrodialysis cell
Inventor: KAMAYA MASAMI
IPC: C09K3/10
Filed: 1981-04-17
Abstract: PURPOSE: To obtain a gasket for electrodialysis cell which is free from leakage of dialyzate and has high durability by forming net-like spacer parts forming  salt liquid passing parts and a gasket frame to one body.  
     CONSTITUTION: Belt-like bodies of vulcanized natural rubber are joined together by means of adhesive, whereby a picture frame-like gasket frame 3 of 19.6dm 2  effective electricity conducting area is manufactured. Next, notches and holes 5 for communication of liquid are opened alternately in the broad belt-like parts at the top and bottom thereof. On the other hand, an unvulcanized natural rubber sheet added with vulcanizing agent is cut to belt-like bodies, and these are placed on the right and left ends of net-like spacers made of PP and are then hot pressured and molded by vulcanization, whereby salt liquid passing parts 4 are made. These parts are joined to the notch parts of the gasket frame. At the same time, spacers 7 are joined to the electricity conducting parts 6 of the gasket frame as well. According to this method, the gasket formed with the net- like spacers are the gasket frame into one body is obtained easily. 
     COPYRIGHT: (C)1982,JPO&Japio