Patents by Inventor Leonid Ivanovich Kostenko

Leonid Ivanovich Kostenko 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: 6998197
    Abstract: This invention relates to the field of holography, in particular to a method and a device for recording optical holograms by means of amorphous molecular semiconductor (AMS) films deposited on a glass substrate pre-covered with a transparent electric conducting sub-layer. More precisely, the invention relates to a method and device for registering optical holograms on AMS-films which operates in such a way that the AMS-films possess the maximum achievable information parameters: Holographic sensitivity, optimal spatial frequency of the transmitted characteristic, band parameters for the spatial frequencies of the transmitted characteristic, “signal-to-noise” ratio in the restored holographic image, reference and object beam intensities ratio during hologram registration, and cycling ability.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: February 14, 2006
    Assignee: HoloTech A.S.
    Inventors: John Petter Fjeldstad, Irina Evgenievna Fjeldstad, Leonid Mikhailovich Lobanov, Vjacheslav Avtonomovich Pivtorak, Nikolay Georgievich Kuvshinsky, Leonid Ivanovich Kostenko, Andrey Konstantinovich Kadashchuk, Vladimir Petrovich Kushniruk, Valeriy Aleksandrovich Pavlov
  • Patent number: 6998195
    Abstract: This invention relates to the field of holography, in particular to a method and a device for recording optical holograms by means of amorphous molecular semiconductor (AMS) films deposited on a glass substrate pre-covered with a transparent electric conducting sub-layer. More precisely, the invention relates to a method and device for registering optical holograms on AMS-films which operates in such a way that the AMS-films possess the maximum achievable information parameters: Holographic sensitivity, optimal spatial frequency of the transmitted characteristic, band parameters for the spatial frequencies of the transmitted characteristic, “signal-to-noise” ratio in the restored holographic image, reference and object beam intensities ratio during hologram registration, and cycling ability.
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: February 14, 2006
    Assignee: HoloTech A.S.
    Inventors: John Petter Fjeldstad, Irina Evgenievna Fjeldstad, Leonid Mikhailovich Lobanov, Vjacheslav Avtonomovich Pivtorak, Nikolay Georgievich Kuvshinsky, Leonid Ivanovich Kostenko, Andrey Konstantinovich Kadashchuk, Vladimir Petrovich Kushniruk, Valeriy Aleksandrovich Pavlov
  • Patent number: 6558851
    Abstract: This invention relates to the photo-sensitive thermoplastic top-layer of optical media for registration of holograms, where the media consists of three transparent layers where the bottom layer is a glass substrate, the mid layer is an electro-conductive film of tin dioxide, and the top layer is a thermoplastic photo-sensitive amorphous molecular semiconductor film made of a matrix which has donor properties and forms transport bands for holes, and were the matrix is doped with; a photo-sensitive substance (CICT) that has intramolecular physically separated parts with donor and acceptor properties, respectively, and which creates an intramolecular electron-hole pair when absorbing a light quantum, and which has a HOMO-level which is below the HOMO-level of the matrix substance, and a substance with acceptor properties that forms transport bands for electrons, which has a similar ring structure as the acceptor part of CICT to ensure a barrierless transfer of excited electrons from CICT to acceptor-molecules
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: May 6, 2003
    Assignee: Holo Tech A.S.
    Inventors: John Petter Fjeldstad, Irina Evgenievna Fjeldstad, Leonid Mikhailovich Lobanov, Vjacheslav Avtonomovich Pivtorak, Nikolay Georgievich Kuvshinsky, Dmitriy Demyanovich Mysyk, Nikolay Aleksandorvich Davidenko, Leonid Ivanovich Kostenko
  • Publication number: 20020155355
    Abstract: This invention relates to the field of holography, in particular to a method and a device for recording optical holograms by means of amorphous molecular semiconductor (AMS) films deposited on a glass substrate pre-covered with a transparent electric conducting sub-layer. More precisely, the invention relates to a method and device for registering optical holograms on AMS-films which operates in such a way that the AMS-films possess the maximum achievable information parameters: Holographic sensitivity, optimal spatial frequency of the transmitted characteristic, band parameters for the spatial frequencies of the transmitted characteristic, “signal-to-noise” ratio in the restored holographic image, reference and object beam intensities ratio during hologram registration, and cycling ability.
    Type: Application
    Filed: June 18, 2002
    Publication date: October 24, 2002
    Applicant: HoloTech a.s
    Inventors: John Petter Fjeldstad, Irina Evgenievna Fjeldstad, Leonid Mikhailovich Lobanov, Vjacheslav Avtonomovich Pivtorak, Nikolay Georgievich Kuvshinsky, Leonid Ivanovich Kostenko, Andrey Konstantinovich Kadashchuk, Vladimir Petrovich Kushniruk, Valeriy Aleksandrovich Pavlov