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| Number | Title | Issue Date |
| 6301023 | Image forming apparatus In an image forming apparatus including a transfer and transport belt suspended between a plurality of rollers, an image forming section for forming a pattern image on the transfer and transport belt, and a pattern image detecting sensor for detecting the... | 10/09/2001 |
| 6177224 | Method of manufacturing electrophotographic toner A method of manufacturing electrophotographic toner according to the present invention includes the step of mixing at least toner particles and an additive for a predetermined mixing time to produce the toner, with the predetermined mixing time being set ... | 01/23/2001 |
| 6175399 | Reflective type liquid crystal display device having a diffusion layer of phase separated liquid crystal and polymer A reflective type liquid crystal display device in accordance with the present invention includes a reflector film having excellent polarization preservation properties and an anisotropic diffusing film for diffusing only the light polarized in a particul... | 01/16/2001 |
| 6172956 | Optical recording medium and optical recording/reproducing device, and manufacturing method of optical recording medium A magneto-optical disk 1 has a track, wherein one of the sidewalls (sidewall 4) of a groove 2 is wobbled by a wobble signal, and is provided with a notch 5 in the track having a different frequency from the wobble signal. The absolute position of the magn... | 01/09/2001 |
| 6166791 | Reflection-type liquid crystal displaying device having anistropic scattering film A reflection-type liquid crystal displaying device is described. It has at least one optically transmitting first substrate on which an optically transmitting electrode is formed and a second substrate that reflects light. A liquid crystal layer is dispos... | 12/26/2000 |
| 6167216 | Temperature sensor and toner image fixing device provided with said temperature sensor A prior art temperature sensing element by supporting plates against a fixing roller would detect a temperature lower than an actual surface temperature of the fixing roller, because said heat-conductive supporting plates would be cooled by air flowing al... | 12/26/2000 |
| 6160595 | Liquid crystal display with edge-lit backlight which uses ambient light injected between reflector and cholesteric polarizer An object of the invention is to obtain brighter display in a liquid crystal display apparatus. Light of all the wavelengths in the visible range is converted into circularly polarized light by a first polarization condition converting member, converted i... | 12/12/2000 |
| 6158590 | Sealed bag and container for accommodating electronic device, and method for facilitating storing and transporting electronic device using such sealed bag and container A sealed bag for vacuum-packing an electronic device in the state of being evacuated and partially thermally fused at an opening thereof includes a multi-layer film including; a first anti-static layer; a thin metal layer; an insulative layer; and a secon... | 12/12/2000 |
| 6118967 | Toner image fixing device for preventing curling of recording medium Curling of edges of recording paper in a toner-image fixing device is prevented. A temperature control unit controls the operation of a heater-lamp for heating a fixing roller in such a way that the fixing roller temperature when the front edge of recordi... | 09/12/2000 |
| 6115021 | Method and apparatus for driving a liquid crystal panel using a ferroelectric liquid crystal material having a negative dielectric anisotropy A ferroelectric liquid crystal panel including a plurality of scanning electrodes, a plurality of signal electrodes crossing the scanning electrodes, a ferroelectric liquid crystal material having two stable orientation states corresponding to different m... | 09/05/2000 |
| 6102524 | Image forming apparatus having developing potential related to bulk density of the developer In a system having a developer support, an opposing member arranged facing the developer support, the process conditions including the property of the developer are adapted to satisfy the following relation: ƊV/d=E>5.5-10×ƊAD, where ƊV is the potential dif... | 08/15/2000 |
| 6100992 | Image-forming system An image-forming system is constituted by connecting a plurality of digital copying machines to a communication apparatus so that the digital copying machines can transmit and receive image information with each other. As an instruction for image processi... | 08/08/2000 |
| 6097459 | Method for producing a reflection type liquid crystal display A reflection type liquid crystal display comprises a first substrate including a rough portion formed on a surface thereof and a reflection electrode formed on the rough portion; a second substrate including a counter electrode formed thereon; and a liqui... | 08/01/2000 |
| 6080556 | Helicobacter catalase nucleotide sequences, their production and use Disclosed are amino acid sequences of polypeptides reacting with antibodies to Helicobacter pylori (HP), DNAs coding therefor, vectors containing said DNAs, transformants containing said vectors, a method for preparing said polypeptides by cultivating sai... | 06/27/2000 |
| 6078274 | Touch panel A touch panel is made up of (a) an insulating substrate provided with a transparent conductive film, and (b) a flexible insulating substrate provided with a transparent conductive film. A double-sided adhesive tape combines together (a) and (b), between w... | 06/20/2000 |
| 6072566 | Optical rotary device and manufacturing method thereof and image display device using thereof A photoresist is applied to a first substrate made of glass or resin which has been subjected to alignment treatment. Next, the photoresist is exposed and developed by UV light so as to form a non-optical rotatory region in a stripe manner after a mask ha... | 06/06/2000 |
| 6072553 | Reflection-type liquid crystal display with layer comprising liquid crystal compound and liquid crystal polymer being twist-aligned at same angle A liquid crystal element is equipped with at least one polarizer provided on a light entering side thereof, an insulating substrate on which transparent electrodes, a light reflecting member having a light reflecting surface on one side thereof, and a liq... | 06/06/2000 |
| 6072627 | Stereoscopic image capture device A stereoscopic image capture device of this invention includes: an image capturing face on which light from an object is incident; an optical element disposed on a side of the image capturing face on which the light is incident, the optical element conver... | 06/06/2000 |
| 6067138 | Retardation film and method for producing the same, and liquid crystal display device A retardation film made of a polymerized liquid crystal material of the present invention includes: a first region having a first flat surface pattern; and a second region having a second flat surface pattern, wherein a thickness in the first region is di... | 05/23/2000 |
| 6056390 | Image forming apparatus wherein the velocity of the toner supporting medium is higher than recording medium transport velocity Peripheral velocity of a toner support is set up so as to satisfy the following condition: L/Tࣘvsࣘ(d/t).multidot.cos θ-(1/t)(L2 -d2 sin 2 θ)1/2 assuming that d denotes the distance between centers of two adjace... | 05/02/2000 |
| 6045217 | Image recording apparatus gasifying and discharging ink for forming image, improved in ink leakage prevention An image recording apparatus includes a discharge head and a discharge control device. The discharge head includes an ink chamber with a discharge hole, a first heater for heating and gasifying ink, a shutter unit, provided at the discharge hole portion, ... | 04/04/2000 |
| 6038009 | Ferroelectric liquid crystal display device A ferroelectric liquid crystal display device is described. The device has a pair of substrates having at least an electrode film and an alignment film, and a complex made of a ferroelectric liquid crystal material and a polymer material disposed between ... | 03/14/2000 |
| 6035173 | Fixing device having a leveling blade comprising a fluororesin sheet A fixing device is disclosed for fixing an unfixed toner image onto a sheet of paper by sandwiching in a contacting portion between an fixing roller and a pressing roller, and thus transporting, the sheet carrying thereon the unfixed toner image. The blad... | 03/07/2000 |
| 6021239 | Photocoupler and method for producing the same A photocoupler according to the present invention includes: an optical waveguide including a substrate, at least a first dielectric layer provided on the substrate, the first dielectric layer having a tapered structure whose thickness varies in an x-direc... | 02/01/2000 |
| 6009300 | Toner image fixing member, fixing roller and fixing device In a toner image fixing roller covered with a fluororesin layer, to evenly apply anti-offset agent to the roller surface and to increase sharpness of edge-portions of a toner image fixed on recording paper, a fixing roller consists of a core, elastic body... | 12/28/1999 |
| 6004713 | Toner, Developer, and process for producing the same A process for preparing a toner includes forming a melt-kneaded mixture by mixing a raw material mixture containing a quaternary ammonium salt compound at a temperature ranging from (M-7)° C. to (M+7)° C., where M is a melting point of the quaternary am... | 12/21/1999 |
| 6002011 | Crystals of benzimidazole derivatives and their production A substantially solvent-free and stable crystal of the compound of the formula: ##STR1## wherein the ring A may optionally be substituted, R1 represents hydrogen or an N-protecting group, each of R2, R3 and R4 | 12/14/1999 |
| 5989782 | Method for producing liquid crystal display device A method for producing a liquid crystal display device includes: a pair of insulating substrates; a liquid crystal layer interposed between the pair of insulating substrates; switching elements arranged in a matrix on one of the pair of the insulating sub... | 11/23/1999 |
| 5981129 | Electrophotographic toner and method of manufacturing same An electrophotographic toner is made up of toner particles composed of irregularly-shaped core particles made chiefly of binder resin, and surface-modifying fine particles which are first dispersed over and attached to the surface of the core particles, a... | 11/09/1999 |
| 5981039 | Magnetic recording medium and a manufacturing method thereof as well as a photo-printing apparatus using such a magnetic recording medium A magnetic recording medium in accordance with the present invention is constituted by a first magnetic film having a magnetic anisotropy in a first direction parallel to the film surface and a second magnetic film that is formed on the first magnetic fil... | 11/09/1999 |
| 5982715 | Magneto-optical recording medium having a signal reproducing region of the reproducing layer larger than the record bit in the recording layer A magneto-optical recording medium with a reproducing layer that exhibits in-plane magnetization at room temperature and that comes to exhibit perpendicular magnetization as temperature rises. The second shielding layer is used to block the magnetization ... | 11/09/1999 |
| 5962570 | Process for the preparation of aqueous solution or dispersion containing cationic polymer A process for the preparation of an aqueous solution or dispersion containing a cationic polymer, which comprises the steps of: polymerizing a monomer including an N-vinylcarboxylic acid amide represented by the general formula CH2 .dbd.CHNHCOR... | 10/05/1999 |
| 5956103 | Active matrix substrate with the double layered structure An active matrix substrate including: pixel electrodes provided in a matrix; a TFT composed essentially of a semiconductor layer; a scanning signal line; a data signal line; a conductive light-shielding film formed on a substrate; a first insulating film ... | 09/21/1999 |
| 5946457 | Image forming system having transfer device for communicating between image forming apparatus and image processing apparatus In an image-forming system, when the user inputs an instruction for image processing to an input section in a digital copying machine, the control section of the digital copying machine outputs image information of a document to a host computer. The host ... | 08/31/1999 |
| 5936688 | Reflector, method for fabricating the same and reflective liquid crystal display device incorporating the same A reflector includes a substrate, a plurality of convex/concave portions formed on the substrate, and a thin reflective film formed over the convex/concave portions. When light is incident upon the reflector from a certain direction, an intensity of refle... | 08/10/1999 |
| 5919532 | Active matrix substrate, method for fabricating the same, and liquid crystal display device An active matrix substrate according to the present invention includes a scanning line, a signal line, a pixel electrode, a switching element connected with the scanning line, the signal line, and the pixel electrode, and a color pixel portion, wherein at... | 07/06/1999 |
| 5918097 | Toner image fixing device A toner image fixing device possesses excellent toner-releasing property and paper-carrying ability. A fixing roller is covered with a layer of compound of PTFE and fluoroelastomer.... | 06/29/1999 |
| 5917571 | Active matrix substrate having benzocyclobutene-containing interlayer insulating film and method for fabricating same An active matrix substrate of the present invention includes: an insulating substrate; scanning bus lines and signal bus lines provided on the insulating substrate so as to cross each other; switching elements provided in the vicinity of crossing portions... | 06/29/1999 |
| 5914758 | Liquid crystal display with non-linear switching elements having electrode portion substantially surrounding upper electrode The liquid crystal display apparatus of this invention includes a pair of substrates facing each other and a liquid crystal layer interposed between the pair of substrates. At least one of the pair of substrates having on a surface thereof: pixel electrod... | 06/22/1999 |
| 5910829 | Liquid crystal display device A liquid crystal display device includes: first and second substrates opposing each other; a liquid crystal layer interposed between the first and second substrates; a plurality of scanning lines and a plurality of signal lines formed on the first substra... | 06/08/1999 |
