Patents by Inventor Sazzadur Rahman Khan

Sazzadur Rahman Khan 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).

  • Publication number: 20150099890
    Abstract: Polyphenylene compounds such as compounds represented by Formula 1 may be used in electronic devices such as organic light-emitting devices. For example, the compounds may be used as host materials in a light-emitting layer.
    Type: Application
    Filed: December 12, 2014
    Publication date: April 9, 2015
    Inventors: Shijun Zheng, Liping Ma, Amane Mochizuki, Qianxi Lai, Sazzadur Rahman Khan, Sheng Li, Brett T. Harding, Hyunsik Chae, Rebecca Romero, David T. Sisk
  • Publication number: 20150087685
    Abstract: Methods and devices related to the treatment of diseases using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising Ring System 1, Ring System 2, Ring System 3, Ring System 4 or Ring System 5. Methods of treating disease with phototherapy are also described.
    Type: Application
    Filed: April 12, 2013
    Publication date: March 26, 2015
    Inventors: Sazzadur Rahman Khan, Shijun Zheng, Sheng Li, Amane Mochizuki, Keisaku Okada
  • Patent number: 8933243
    Abstract: Polyphenylene compounds such as compounds represented by Formula I may be used in electronic devices such as organic light-emitting devices. For example, the compounds may be used as host materials in a light-emitting layer.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: January 13, 2015
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, Liping Ma, Amane Mochizuki, Qianxi Lai, Sazzadur Rahman Khan, Sheng Li, Brett T. Harding, Hyunsik Chae, Rebecca Romero, David T. Sisk
  • Patent number: 8929978
    Abstract: Methods and devices related to the treatment of diseases using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising Ring system 1, Ring system 2, Ring system 3, or Ring system 4. Methods of treating disease with phototherapy are also described.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: January 6, 2015
    Assignee: Nitto Denko Corporation
    Inventors: Sazzadur Rahman Khan, Shijun Zheng, Amane Mochizuki, Liping Ma
  • Patent number: 8808879
    Abstract: Methods and devices related to the treatment of diseases using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising a compound of Formula 1. Methods of treating disease diseases with phototherapy are also described.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: August 19, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Amane Mochizuki, Sazzadur Rahman Khan, Shijun Zheng, Keisaku Okada
  • Patent number: 8744220
    Abstract: An optical waveguide device which is free from interference with an optical path between a light emitting element and an optical waveguide thereof, and to provide a method of manufacturing the optical waveguide device. A light emitting element (5) is provided on an upper surface of a first under-cladding layer (21), and a second under-cladding layer (22) is provided on the upper surface of the first under-cladding layer (21), covering the light emitting element (5). A core 3 which receives light emitted from the light emitting element (5) through the second under-cladding layer (22) is provided on an upper surface of the second under-cladding layer (22). The core (3) is located in a position such that the light emitted from the light emitting element (5) is incident on the core (3).
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: June 3, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Sazzadur Rahman Khan, Kazunori Mune
  • Patent number: 8655118
    Abstract: An optical waveguide device which is free from interference with an optical path between a light emitting element and an optical waveguide thereof, and to provide a method of manufacturing the optical waveguide device. A light emitting element (5) is provided on an upper surface of a first under-cladding layer (21), and a second under-cladding layer (22) is provided on the upper surface of the first under-cladding layer (21), covering the light emitting element (5). A core 3 which receives light emitted from the light emitting element (5) through the second under-cladding layer (22) is provided on an upper surface of the second under-cladding layer (22). The core (3) is located in a position such that the light emitted from the light emitting element (5) is incident on the core (3).
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: February 18, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Sazzadur Rahman Khan, Kazunori Mune
  • Patent number: 8586205
    Abstract: Disclosed herein are compounds represented by a formula: Wherein Ar1, Cb, Ph1, Het1, and A are described herein. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: November 19, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Shijun Zheng, David T. Sisk, Brett T. Harding, Jensen Cayas, Sheng Li, Amane Mochizuki, Hyunsik Chae, Sazzadur Rahman Khan, Liping Ma, Rebecca Bottger
  • Publication number: 20130103123
    Abstract: Methods and devices related to wound healing using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising Ring System 1, Ring System 2, Ring System 3, Ring System 4 or Ring System 5.
    Type: Application
    Filed: October 11, 2012
    Publication date: April 25, 2013
    Inventors: Sazzadur Rahman Khan, Sheng Li, Amane Mochizuki, Xingjia Wu, Juanita Josephine Anders
  • Publication number: 20120223635
    Abstract: Some porous films, such as organic non-polymeric porous films, may be useful for light outcoupling to increase light-emitting device efficiency. They may also be used for light scattering in other devices and for other applications related to the transfer of light.
    Type: Application
    Filed: March 2, 2012
    Publication date: September 6, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Amane Mochizuki, Liping Ma, Shijun Zheng, Sazzadur Rahman Khan, Sheng Li, Qianxi Lai, David T. Sisk, Brett Harding
  • Publication number: 20120197179
    Abstract: Methods and devices related to the treatment of diseases using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising Ring system 1, Ring system 2, Ring system 3, or Ring system 4. Methods of treating disease with phototherapy are also described.
    Type: Application
    Filed: January 26, 2012
    Publication date: August 2, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Sazzadur Rahman Khan, Shijun Zheng, Amane Mochizuki, Liping Ma
  • Publication number: 20120179089
    Abstract: Optionally substituted bipyridine compounds, optionally substituted phenylbipyridine compounds, or optionally substituted bis-phenylbipyridine compounds may be useful in light-emitting devices.
    Type: Application
    Filed: September 14, 2011
    Publication date: July 12, 2012
    Applicant: Nitto Denko Corporation
    Inventors: David T. Sisk, Sazzadur Rahman Khan, Amane Mochizuki
  • Patent number: 8200051
    Abstract: An apparatus, an optical touch panel, a waveguide, and a process for producing a double layered waveguide structure are provided. The apparatus includes a waveguide having a plurality of transmission waveguide elements and a plurality of reception waveguide elements; a light source coupled to the waveguide; a light detector coupled to the waveguide; and a reflector, spaced apart from the waveguide, the reflector reflecting light emitted from the plurality of transmission waveguide elements towards the reception waveguide elements. The waveguide includes a substrate, a first cladding layer, a reception waveguide, a second cladding layer, a transmission waveguide, and a third cladding layer. The optical touch panel includes a waveguide section comprising a waveguide; a mirror; a surface emitting laser; and a detector.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: June 12, 2012
    Assignee: Nitto Denko Corporation
    Inventors: Sazzadur Rahman Khan, Noriyuki Juni, Visit Thaveeprungsriporn
  • Publication number: 20120016449
    Abstract: Methods and devices related to the treatment of diseases using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising a compound of Formula 1. Methods of treating disease diseases with phototherapy are also described.
    Type: Application
    Filed: July 15, 2011
    Publication date: January 19, 2012
    Applicant: Nitto Denko Corporation
    Inventors: Amane Mochizuki, Sazzadur Rahman Khan, Shijun Zheng, Keisaku Okada
  • Publication number: 20120015998
    Abstract: Disclosed herein are compounds represented by a formula: R1—Ar1—X—Ar2—Ar3-Het, wherein R1, Ar1, X, Ar2, Ar3, and Het are described herein. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Application
    Filed: July 11, 2011
    Publication date: January 19, 2012
    Applicant: Nitto Denko Corporation
    Inventors: Amane Mochizuki, Sazzadur Rahman Khan, Sheng Li, Shijun Zheng, Jensen Cayas, Keisaku Okada, Brett T. Harding
  • Publication number: 20110306922
    Abstract: Some embodiments provide a compound represented by Formula 1. Other embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising a compound of Formula 1. Other embodiments provide an organic light-emitting device optionally comprising a wavelength convertor. Methods related to the treatment of diseases using phototherapy area also described.
    Type: Application
    Filed: June 10, 2011
    Publication date: December 15, 2011
    Inventors: Sazzadur Rahman Khan, Amane Mochizuki, Sheng Li, David T. Sisk, Rajesh Mukherjee, Keisaku Okada
  • Patent number: 7989150
    Abstract: An optical waveguide production method for producing an optical waveguide comprising the steps of: forming an under-cladding layer and an alignment mark from the same material on a substrate; forming a thin metal film on the alignment mark; forming a first transparent photosensitive resin layer on the resultant substrate to cover the under-cladding layer and the thin metal film; positioning an exposure mask with reference to the thin metal film formed on the alignment mark; and selectively exposing a predetermined portion of the first photosensitive resin layer on the under-cladding layer via the exposure mask to form a core defined by the exposed portion of the first photosensitive resin layer.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: August 2, 2011
    Assignee: Nitto Denko Corporation
    Inventor: Sazzadur Rahman Khan
  • Publication number: 20110062386
    Abstract: Disclosed herein are compounds represented by a formula: Wherein Ar1, Cb, Ph1, Het1, and A are described herein. Compositions and light-emitting devices related thereto are also disclosed.
    Type: Application
    Filed: September 15, 2010
    Publication date: March 17, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Shijun Zheng, David T. Sisk, Brett T. Harding, Jensen Cayas, Sheng Li, Amane Mochizuki, Hyunsik Chae, Sazzadur Rahman Khan, Liping Ma, Rebecca Bottger
  • Publication number: 20100201011
    Abstract: An optical waveguide device which is free from interference with an optical path between a light emitting element and an optical waveguide thereof, and to provide a method of manufacturing the optical waveguide device. A light emitting element (5) is provided on an upper surface of a first under-cladding layer (21), and a second under-cladding layer (22) is provided on the upper surface of the first under-cladding layer (21), covering the light emitting element (5). A core 3 which receives light emitted from the light emitting element (5) through the second under-cladding layer (22) is provided on an upper surface of the second under-cladding layer (22). The core (3) is located in a position such that the light emitted from the light emitting element (5) is incident on the core (3).
    Type: Application
    Filed: April 16, 2010
    Publication date: August 12, 2010
    Applicant: NITTO DENKO CORPORATION
    Inventors: Sazzadur Rahman Khan, Kazunori Mune
  • Patent number: 7711230
    Abstract: An optical waveguide includes a substrate, a core formed on the substrate and serving as a passageway for light, and a metal film, in which at least a portion of the core is covered with the metal film.
    Type: Grant
    Filed: May 1, 2008
    Date of Patent: May 4, 2010
    Assignee: Nitto Denko Corporation
    Inventor: Sazzadur Rahman Khan