Patents by Inventor Ishaiau Lior

Ishaiau Lior has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7241355
    Abstract: A method of determining an adjusted color to be used for computing colorants for printing on a specified substrate, comprising: specifying an apparent color; estimating diffuse reflection from an outside surface of colorants when printed on the specified substrate; and adjusting the specified color for the effects of the estimated diffuse reflection to determine a color to be used for computing the colorants.
    Type: Grant
    Filed: September 3, 2000
    Date of Patent: July 10, 2007
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Benzion Landa, Ishaiau Lior, Itzhak Ashkenazi
  • Patent number: 6977101
    Abstract: A printing foil for foil printing a region of an image comprising: a substrate; a layer of foil bonded to the substrate; and a layer covering the foil which layer is formed from a material chosen from the group of materials consisting of methacrylic copolymer resin, polyester, polycarbonate and polyvinyl chloride.
    Type: Grant
    Filed: May 15, 2003
    Date of Patent: December 20, 2005
    Assignee: Hewlett-Packard Indigo B.V.
    Inventors: Benzion Landa, Ishaiau Lior, Itzhak Ashkenazi, Peretz Ben Avraham
  • Patent number: 6916583
    Abstract: A method for printing an image on a surface of a substrate having a surface finish defined by a gloss, the method comprising: printing an image on the surface of the substrate, such that image areas thereof have a thickness, when fixed to the substrate and dry, of less than about 6 micrometers of a thermoplastic material; and smoothing the surface of at least a portion of the thermoplastic material.
    Type: Grant
    Filed: February 6, 2000
    Date of Patent: July 12, 2005
    Assignee: Hewlett-Packard Indigo N.V.
    Inventors: Benzion Landa, Ishaiau Lior, Itzhak Ashkenazi, Avner Schneider
  • Publication number: 20030198793
    Abstract: A printing foil for foil printing a region of an image comprising:
    Type: Application
    Filed: May 15, 2003
    Publication date: October 23, 2003
    Applicant: Hewlett-Packard Indigo B.V.
    Inventors: Benzion Landa, Ishaiau Lior, Itzhak Ashkenazi, Peretz Ben Avraham
  • Patent number: 6605174
    Abstract: A method for producing a printed image having a region that is foil printed comprising: printing at least one region of the image with a toner; printing the region of the image to be foil printed with a foiling adhesive that sticks to a foil on a printing foil, which adhesive has a melting temperature lower than the melting temperature of the toner, and pressing the printing foil to the image and heating the printing foil to a temperature greater than the melting temperature of the foiling adhesive and less than the melting temperature of the toner.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: August 12, 2003
    Assignee: Hewlett-Packard Indigo B.V.
    Inventors: Benzion Landa, Ishaiau Lior, Itzhak Ashkenazi, Peretz Ben Avraham
  • Publication number: 20010038962
    Abstract: A toner particle adapted for use in electrostatic image formation comprising:
    Type: Application
    Filed: July 13, 2001
    Publication date: November 8, 2001
    Inventors: Benzion Landa, Peretz Ben-Avraham, Becky Bossidan, Albert Teishev, Ishaiau Lior
  • Patent number: 6108513
    Abstract: A system for double-sided imaging on a continuous-web substrate having first and second substrate surfaces, the system including an imaging device including a toner-image bearing surface having selectively formed thereon first and second images. The system further includes a web-feeder system which selectively brings the first and second substrate surfaces into operative engagement with the toner-image bearing surface, to transfer thereto the first and second images, respectively, in accordance with a preselected imaging sequence.
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: August 22, 2000
    Assignee: Indigo N.V.
    Inventors: Benzion Landa, Ishaiau Lior, Yossi Rosen, Boaz Tagansky
  • Patent number: 5815783
    Abstract: A method of printing images, such as multicolor images, on two sides of a substrate including: (a) forming a first image on a first surface; (b) transferring the first image to a second surface from the first surface; (c) forming a second image on the first surface; (d) transferring the second image to a third surface from the first surface; and (e) simultaneously transferring the first and second images from the second and third surfaces to the two sides of a substrate. In an embodiment of the invention transferring the first image to the second surface includes transferring the first image from the first surface to the third surface and subsequently transferring it to the second surface.
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: September 29, 1998
    Assignee: Indigo N.V.
    Inventors: Ishaiau Lior, Benzion Landa, Amiran Lavon, Hanna Pinhas
  • Patent number: 5749032
    Abstract: A multicolor electrostatic imaging system has multicolor spray apparatus for supplying a liquid toner of a selectable color to an electrostatic image. The spray means has a multiplicity of spray outlets including a plurality of spray outlets distributed among the multiplicity of outlets, for supplying liquid toner of each of a plurality of colors.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: May 5, 1998
    Assignee: Indigo N.V.
    Inventors: Benzion Landa, Ishaiau Lior, Dan Barnea, Paul Fenster, Uri Levy
  • Patent number: 5745829
    Abstract: Imaging apparatus including an imaging surface having a toner image formed thereon and an intermediate transfer member, which receives the toner image from the imaging surface and from which it is subsequently transferred. The intermediate transfer member includes a drum having mounting recesses formed therein and an intermediate transfer blanket mounted on the drum. The blanket has a layered transfer portion having a transfer surface on one face thereof which receives the toner image and optionally an adhesive layer on the opposite face thereof and a mounting fixture, attached to one edge of the layered transfer portion and adapted to mate with the mounting recesses in the drum, whereby the transfer blanket is fixedly and removably mounted on the drum.
    Type: Grant
    Filed: January 11, 1995
    Date of Patent: April 28, 1998
    Assignee: Indigo N.V.
    Inventors: Alon Gazit, David Idan, Hanni Inbar, Ilan Kander, Eli Kritchman, Benzion Landa, Amiran Lavon, Moshe Levanon, Ishaiau Lior, Jan Van Mil, Yehuda Niv, Avner Schneider, Aron Shmaiser, Hani Younes
  • Patent number: 5737666
    Abstract: Toning apparatus for toning an electrostatic latent image, having image and background portions at different potentials on an imaging surface. The apparatus comprises an endless toning surface coated with a layer of concentrated toner and engaging the imaging surface at a toning region. The apparatus additionally comprises a source of voltage connected to the toning surface and electrifying the toning surface to a voltage operative to selectively transfer at least a portion of the layer to image portions on the imaging surface. A developed mass per unit area (DMA) controller having an input indicative of the DMA on the imaging surface is operative to adjust the DMA on the toning surface in response to the input.
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: April 7, 1998
    Assignee: Indigo N.V.
    Inventors: Ishaiau Lior, Ehud Chatow, Amiran Lavon
  • Patent number: 5636349
    Abstract: An imaging apparatus including an image bearing surface having formed thereon a liquid image comprising carrier liquid and toner particles, an intermediate transfer member positioned in operative association with the image bearing surface, a first transfer station at which the liquid image is transferred from the image bearing surface onto the intermediate transfer member, and a second transfer station at which the liquid image is transferred from the intermediate transfer member onto a substrate including a source of heat which heats the intermediate transfer member and the liquid image so as to cause the toner to adhere to the substrate and whereat the intermediate transfer member and the liquid image are cooled sufficiently such that the adhesion of the toner to the intermediate transfer member is less than the cohesion of the toner.
    Type: Grant
    Filed: September 3, 1993
    Date of Patent: June 3, 1997
    Assignee: Indigo N.V.
    Inventors: Benzion Landa, Ishaiau Lior, Hanna Pinhas
  • Patent number: 5610694
    Abstract: Imaging apparatus including:an image-forming surface having formed thereon a latent electrostatic image, the latent electrostatic image including image regions at a first voltage and background regions at a second voltage;a developer surface charged to a third voltage intermediate the first and second voltages and having a second surface urged against and adapted for operative engagement with the image-forming surface at a development region;an applicator assembly operative to apply a layer of concentrated liquid toner comprising charged toner particles and carrier liquid onto the developer surface;a developer operative to develop the latent image by transferring less than the total thickness of the layer of concentrated liquid toner from the developer surface to the image regions of the image-forming surface thereby to form a developed image on the image-forming surface; andapparatus for transferring the developed image from the image-forming surface to a final substrate.
    Type: Grant
    Filed: August 17, 1995
    Date of Patent: March 11, 1997
    Assignee: Indigo N.V.
    Inventors: Ishaiau Lior, Amiran Lavon, Ehud Chatow
  • Patent number: 5596396
    Abstract: Imaging apparatus including a first member having a first surface having formed thereon a latent electrostatic image, the latent electrostatic image including image regions at a first voltage and background regions at a second voltage, a second member charged to a third voltage intermediate the first and second voltages and having a second surface adapted for resilient engagement with the first surface and a third member adapted for resilient contact with the second surface in a transfer region. The imaging apparatus also includes apparatus for supplying liquid toner to the transfer region thereby forming on the second surface a thin layer of liquid toner containing a relatively high concentration of charged toner particles and apparatus for developing the latent image by the selective transfer of portions of the layer of liquid toner from the second surface to the first surface.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: January 21, 1997
    Assignee: Indigo N.V.
    Inventors: Benzion Landa, Ishaiau Lior, Ehud Chatow
  • Patent number: 5585900
    Abstract: An imaging system including a movable electrostatic imaging surface, apparatus for providing an electrostatic image on the electrostatic image surface and a development electrode having a developer surface with contiguous portions in spaced relationship with the electrostatic imaging surface to form a development region. The system includes apparatus for moving the developer surface such that the contiguous portions of the developer surface sequentially enter the region at an entrance and leaves the development region at an exit, apparatus for moving the electrostatic imaging surface so that it enters the development region at the exit and leaves the region at the entrance and apparatus for providing a liquid developer of a selectable color to the development region at the exit. The system also includes apparatus for transferring the developed image to a substrate.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: December 17, 1996
    Assignee: Indigo N.V.
    Inventors: Ishaiau Lior, Amiran Lavon, Benzion Landa
  • Patent number: 5572274
    Abstract: A method for forming an image on a final substrate which includes forming a liquid toner image on a surface using a liquid developer comprising carrier liquid and charged tuner particles, electrostatically transferring the liquid toner image to an intermediate transfer member coated with a release coating and transferring the liquid toner image to a final substrate.
    Type: Grant
    Filed: September 3, 1993
    Date of Patent: November 5, 1996
    Assignee: Indigo N.V.
    Inventors: Ishaiau Lior, Benzion Landa, Amiran Lavon, Hanna Pinhas
  • Patent number: 5557376
    Abstract: A multicolor electrostatic imaging system includes an electrostatic imaging surface, apparatus for supplying an electrostatic image on the electrostatic image surface, and multicolor supply apparatus for supplying a liquid toner of a selectable color to the electrostatic imaging surface. The supply apparatus has a multiplicity of jet outlets, including a set of jet outlets for supplying toner of the selectable color directly to the imaging surface, the set of jet outlets being distributed among the multiplicity of jet outlets. Finally, developing apparatus is provided for developing the electrostatic image using the liquid toner, and transfer apparatus is provided for transferring the developed image to a substrate.
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: September 17, 1996
    Assignee: Indigo N.V.
    Inventors: Benzion Landa, Ishaiau Lior, Dan Barnea, Paul Fenster, Uri Levy
  • Patent number: 5436706
    Abstract: Imaging apparatus including a first member having a first surface having formed thereon a latent electrostatic image, the latent electrostatic image including image regions at a first voltage and background regions at a second voltage, a second member charged to a third voltage intermediate the first and second voltages and having a second surface adapted for resilient engagement with the first surface and a third member adapted for resilient contact with the second surface in a transfer region. The imaging apparatus also includes apparatus for supplying liquid toner to the transfer region thereby forming on the second surface a thin layer of liquid toner containing a relatively high concentration of charged toner particles and apparatus for developing the latent image by the selective transfer of portions of the layer of liquid toner from the second surface to the first surface.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: July 25, 1995
    Assignee: Indigo N.V.
    Inventors: Benzion Landa, Ishaiau Lior, Ehud Chatow
  • Patent number: 5289238
    Abstract: Imaging apparatus including an imaging surface having a latent image with image areas at a first electrical potential and background areas at a second electrical potential and a developer. The developer includes a moving developer electrode electrified to a third electrical potential intermediate the first and second electrical potentials and has sequential surface portions closely spaced from the imaging surface to form a development region. The latent image is developed at the development region with liquid toner including carrier liquid and charged toner particles. Toner particles are also attracted to the developer surface and a resilient metal blade is urged against and in contact with the developer surface after it passes the development region and is operative to remove toner particles from the developer surface. The blade is coated with an insulating coating over at least a portion of the blade not contacting the developer surface.
    Type: Grant
    Filed: September 5, 1991
    Date of Patent: February 22, 1994
    Assignee: Spectrum Sciences B.V.
    Inventors: Ishaiau Lior, Itzhak Ashkenazi
  • Patent number: 5255058
    Abstract: Imaging apparatus having an image forming surface arranged for movement in a first direction and an image forming apparatus for forming electrostatic latent image and background areas at respective first and second electrical potentials on the image forming surface, a development apparatus biased to a third potential intermediate the first and second potentials for developing the electrostatic latent image using a liquid developer including electrically charged toner particles to form a developed image, the development apparatus having a development surface maintained in a spaced apart relationship from the image forming surface and moving in a direction opposite to the first direction, a background toner removal surface spaced from the image forming surface for the removal of toner particles from the background areas and preferably moving in a direction opposite to the first direction, and an apparatus for supplying a liquid to at least a portion of the space between the image forming surface and the additio
    Type: Grant
    Filed: January 22, 1991
    Date of Patent: October 19, 1993
    Assignee: Spectrum Sciences B.V.
    Inventors: Hanni Pinhas, Udi Chatow, Alon Gazit, Ishaiau Lior, Yehuda Niv