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| Number | Title | Issue Date |
| 5042917 | Liquid crystal matrix display unit A nonlinear diode which is easy to manufacture and has sharply nonlinear voltage-current characteristic and a matrix display unit in which it is used has a diode structure in which an amorphous semiconductor layer is disposed between a bus bar and a pixel... | 08/27/1991 |
| 5022199 | Construction apparatus and construction method A construction apparatus comprising a framework installed above a completed structure of a building so as to form a working space for construction operations including installing permanent columns over the completed structure, guide posts detachably held ... | 06/11/1991 |
| 4983454 | Process for coating metallic substrate A process for coating a metallic substrate, characterized by applying on a metallic substrate an electrocoating paint, applying thereon a barrier coat comprising a film-forming thermoplastic resin other than a modified polyolefin resin and capable of form... | 01/08/1991 |
| 4971659 | Head box with reducing stream gate A head box has a dispersing section provided with a numerous paper material slurry flowing pores at an inlet side of a paper material slurry passage leading to a slurry slip. A reduced stream section is disposed at an outlet side of the dispersing section... | 11/20/1990 |
| 4970151 | Plant culture cell and use thereof Disclosed is cultured plant cell derived from tissues or cells of a plant belonging to Hydrocotyle genus (water-pennyworts) and Centella genus, a culture method therefor, and a blood coagulation component and an therapeutic agent for mental disease obtain... | 11/13/1990 |
| 4965498 | Electrically operated system for drawing curtains and other types of barriers An electrically operated drawing system for drawing and undrawing curtains includes an electric motor, a clutch having a solenoid, a rotation detector for detecting rotation of the electric motor, an operating switch for outputting command signals, and a ... | 10/23/1990 |
| 4965458 | Apparatus for translating oracle-bone scripture into a more formal language An apparatus for translating oracle-bone scripture style characters into formal style characters, and for translating formal style characters into oracle-bone scripture style characters includes a scanner for scanning printed characters and for providing ... | 10/23/1990 |
| 4965395 | P-oxybenzoic acid compounds p-Oxybenzoic acid compounds of the general formula: ##STR1## wherein R is alkyl having not less than two carbon atoms or aralkyl and Y is sulfur atom or sulfonyl. The compounds exhibit bactericidal activity and are useful as bactericides.... | 10/23/1990 |
| 4931561 | Process for preparing nitriles A heteroaromatic nitrile is prepared in high conversion and yield by catalytically reacting an alkyl-substituted heteroaromatic compound with molecular oxygen and ammonia in the presence of a catalyst having the following composition: Mo(P)x (A... | 06/05/1990 |
| 4891783 | Data terminal device A data terminal device, having a plurality of protocols stored therein, has a data transmitting mode and a data receiving mode. When in a transmitting mode, the terminal device transmits to another data terminal initial data according to one of the protoc... | 01/02/1990 |
| 4834573 | Cap fitting structure for shaft member A fitting structure includes a shaft member of metal provided at the leading end part thereof with check projections formed integrally thereon, and a cap of synthetic resin formed of a main body and a lid member. The main body is provided therein with an ... | 05/30/1989 |
| 4820674 | Process for preparing a hydrosilylation catalyst A process for preparing a hydrosilylation catalyst by dissolving chloroplatinic acid H2 PtCl6 in a cyclic ether or cyclic ester containing at least 3 carbon atoms, and maintaining the resulting solution at a temperature of at least 3... | 04/11/1989 |
| 4811119 | Apparatus for high-density minimal crosstalk recording and reproducing of terminance and chrominance signals using a magnetic tape A magnetic tape recording/reproducing apparatus for recording video signals on a magnetic tape without providing a guard band between each two adjacent signal tracks. The apparatus comprises a first switching circuit for exchanging 2-channel component sig... | 03/07/1989 |
| 4803895 | Balancing mechanism A balancing mechanism having a vertical robot arm and horizontal robot arm pivotally mounted to the vertical arm and for each robot arm a link mechanism having a lever as well as a spring connected to the robot arm to be balanced through the link mechanis... | 02/14/1989 |
| 4804830 | Automatic transaction apparatus An automatic transaction apparatus for processing transactions by the operation by a customer has a display unit, a through-vision touch type input device disposed on a screen of the display unit, and a judging device for judging a request of an operator ... | 02/14/1989 |
| 4798331 | Artificial snow production apparatus An artificial snow generating apparatus having a vertical inner cylinder for generating and growing snow and an outer tank surrounding the inner cylinder and having a cooler for cooling the inner cylinder for an ice crystal quantitative feeder for generat... | 01/17/1989 |
| 4797735 | Distortion surveillance apparatus for television signal transmission system In a transmission system of signals including amplitude-modulated television signals, a pilot signal of a specific amplitude is supplied at a first place in the transmission system, and at a second place in the transmission system, the pilot signal having... | 01/10/1989 |
| 4797647 | Inductor and a manufacturing method therefor An inductor suitable for use as a noise filter and a method for manufacturing the inductor. The inductor comprises a combination of a U-like-shaped lead wire comprising a head and a pair of legs bent from both ends thereof and extending opposite to each o... | 01/10/1989 |
| 4796224 | Layout for stable high speed semiconductor memory device In a semiconductor memory device, a memory cell array is separated into at least two portions on a substrate, and a serial memory element, such as a shift register, and control signal lines are collectively disposed between the two memory cell array porti... | 01/03/1989 |
| 4793516 | Nestable packaging container A packaging container for a liquid and more specifically for coffee milk has a container proper having a bottom opening and a bottom cap to seal the bottom opening of the container proper after the container is filled. The container proper having a sectio... | 12/27/1988 |
| 4792775 | Method for the formation of outline images corresponding to the peripheral outlines of document's images A method for forming an outline of an image. By this method, at first, an electrostatic latent image bearing member is charged and then irradiated to form an electrostatic latent image. Thereafter, the irradiated member is re-charged with a scorotron char... | 12/20/1988 |
| 4792499 | Zn-Al hot-dip galvanized steel sheet having improved resistance against secular peeling and method for producing the same A Zn-Al hot dip galvanized steel sheet having an improved resistance to secular peeling of a galvanized layer, characterized by a composition of the layer and galvanizing bath which consist of from more than 0.3 wt % to 10 wt % of Al, from 0.2 to 1.0 wt %... | 12/20/1988 |
| 4792218 | Projection lens for high definition TV A high definition projection lens for projecting on a screen an enlargement of an image appearing on a high resolution CRT is disclosed. The projection lens comprises a first lens having a positive optical power and a convex surface facing the screen, a m... | 12/20/1988 |
| 4791792 | Ice making machine The present invention provides an ice making machine including an ice making water tank adapted to supply ice making water in circulation to an ice making section during the ice making cycle, a harvesting water tank adapted to supply harvesting water to t... | 12/20/1988 |
| 4788931 | Tool for forming external electrodes of chip parts A method of forming external electrodes at both ends of chip parts while elastically holding the chip parts. The method includes providing first and second holding plates having elastic material provided with a plurality of chip receiving holes passing th... | 12/06/1988 |
| 4789310 | Multi-function implement for illumination and air-supply A multi-functional implement useful as a portable automobile accessory which includes a main casing and an air functional portion mounted in the main casing. The air functional portion includes a first mechanism for blowing air outwardly of the main casin... | 12/06/1988 |
| 4787479 | Control system for a central lubrication system for vehicle A control system for a central lubrication system with an electrically operated lubrication pump for vehicles without their own power source, such as trailers, carriers for utility vehicle, etc., includes an electrical time-controlling device to activate ... | 11/29/1988 |
| 4786338 | Method for cooling rolled steels Steel hot-rolled to the desired diameter and allowed to travel forward is quenched with cooling water to a temperature below the bainite transformation temperature chosen from within the following range: where T=surface temperature of the rolled steel at a poi... | 11/22/1988 |
| 4785331 | Electrophotographic copying method and apparatus An electrophotographic copying apparatus is capable of forming outline images. It comprises a first charging device, an exposing device, a second charging device and a developing device along a moving direction of a photoconductor. A sensor detects an amo... | 11/15/1988 |
| 4785321 | Image forming apparatus Between an image forming unit and an automatic developing unit disposed adjacent to the unit, an intermediate chamber having an exhaust device is provided for transferring a photosensitive material from the image forming unit to the developing unit. Even ... | 11/15/1988 |
| 4783233 | Metallic container having a circumferential bonded portion and process for production thereof A metallic container composed of a first and a second section each composed of a metallic cup-like fabricated article having a primer coating, the two sections being lap-bonded at their circumferential open end portions by means of a thermoplastic film-li... | 11/08/1988 |
| 4782368 | Method for correction for chromatic aberration and exposure apparatus using the same Disclosed is an exposure apparatus used in a photolithographic process in fabrication of semiconductor devices. More particularly, in the exposure apparatus using an excimer laser, the beam splitter, mirror and lens for correction for chromatic aberration... | 11/01/1988 |
| 4781459 | Apparatus for measuring the amount of minute particles contained in liquid An apparatus for measuring particles contained in a sample liquid has a cylindrical cell having an incident light transmitting portion, a transmitted light transmitting portion diametrically aligned with the incident light transmitting portion, and a ligh... | 11/01/1988 |
| 4780914 | Automatically lifting device for toilet seat It is an automatically lifting devise for toilet seat; the device mainly comprises a sleeve shaft, a sleeve, a main shaft, a torsional spring, and a torsion adjusting assembly. The aforesaid torsion adjusting assembly further includes a displacement shaft... | 11/01/1988 |
| 4781528 | Variable capacity radial flow turbine A variable capacity radial flow turbine includes a turbine housing which incorporates a turbine wheel and which forms a working gas passageway that leads to the turbine wheel and that is divided into two parts. The working gas passageway is provided with ... | 11/01/1988 |
| 4779314 | Magnetic fastener A magnetic fastener which substantially excludes external leakage of magnetic flux therefrom. The magnetic fastener has a fixed element and a movable element. The fixed element includes a permanent magnet plate, upper and lower iron plates located on uppe... | 10/25/1988 |
| 4779538 | Levitation-propulsion mechanism for inductive repulsion type magnetically levitated railway A levitation-propulsion mechanism for an inductive repulsion type magnetically levitated railway having a vehicle with a truck and a track with a U-shaped cross-section with spaced opposed walls between which the truck runs, has a plurality of vertically ... | 10/25/1988 |
| 4779693 | Rear wheel steering apparatus for an automobile A rear wheel steering apparatus for a vehicle with hydraulic power steering for the front wheels is disclosed. Pressure sensors detect the hydraulic pressure in the two chambers of a power cylinder for the front wheels. A differential amplifier which is c... | 10/25/1988 |
| 4725665 | Use of salts of water-soluble Use of salts of water-soluble naphthalenesulfonic acid formaldehyde condensates having a molar formaldehyde/naphthalenesulfonic acid ratio of 1.2:1 to 3:1 and an intrinsic viscosity of 0.01 to 0.15 dl/g, as an additive to inorganic binders for improving t... | 02/16/1988 |
| 4714845 | Low offset voltage follower circuit A low offset voltage follower circuit includes substantially identical first and second N-channel MOS transistors having their source electrodes connected to a negative terminal of a supply voltage source via a third N-channel MOS transistor whose gate el... | 12/22/1987 |
