Patents by Inventor Dong-Ryul Ryu

Dong-Ryul Ryu 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: 20200062957
    Abstract: Provided is a polyamide-based composite resin composition which includes 30 to 80 wt % of a polyamide-based resin; 5 to 59 wt % of m-xylenediamine (MXD)-based modified nylon; 10 to 50 wt % of thermoplastic olefin rubber including a maleic anhydride-grafted ethylene-octene copolymer, a maleic anhydride-grafted ethylene-propylene-diene monomer, or a mixture thereof; 0.5 to 10 wt % of clay; and 0.01 to 5 wt % of carbon nanotubes (CNTs). According to the present invention, the polyamide-based composite resin composition is easily subjected to blow molding, is excellent in mechanical properties such as low-temperature impact strength and tensile strength, and is also capable of significantly enhancing a gas barrier property.
    Type: Application
    Filed: October 20, 2017
    Publication date: February 27, 2020
    Applicants: Shinil Chemical Industry Co., Ltd., Korea Fuel Tech Corporation
    Inventors: Keum-Suk Seo, Dong Ryul Ryu, Bo Ram Kwon
  • Patent number: 9652324
    Abstract: A solid state disk controller apparatus comprises a first port; a second port having a plurality of channels; a central processing unit connected to a CPU bus; a buffer memory configured to store data to be transferred from the second port to the first port and from the first port to the second port; a buffer controller/arbiter block connected to the CPU bus and configured to control read and write operations of the buffer memory based on a control of the central processing unit; a first data transfer block connected between the first port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus; and a second data transfer block connected between the second port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus.
    Type: Grant
    Filed: December 27, 2015
    Date of Patent: May 16, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-Ryul Ryu
  • Publication number: 20160132389
    Abstract: A solid state disk controller apparatus comprises a first port; a second port having a plurality of channels; a central processing unit connected to a CPU bus; a buffer memory configured to store data to be transferred from the second port to the first port and from the first port to the second port; a buffer controller/arbiter block connected to the CPU bus and configured to control read and write operations of the buffer memory based on a control of the central processing unit; a first data transfer block connected between the first port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus; and a second data transfer block connected between the second port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus.
    Type: Application
    Filed: December 27, 2015
    Publication date: May 12, 2016
    Inventor: Dong-Ryul Ryu
  • Patent number: 9223650
    Abstract: A solid state disk controller apparatus comprises a first port; a second port having a plurality of channels; a central processing unit connected to a CPU bus; a buffer memory configured to store data to be transferred from the second port to the first port and from the first port to the second port; a buffer controller/arbiter block connected to the CPU bus and configured to control read and write operations of the buffer memory based on a control of the central processing unit; a first data transfer block connected between the first port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus; and a second data transfer block connected between the second port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: December 29, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-Ryul Ryu
  • Publication number: 20150067450
    Abstract: A solid state disk controller apparatus comprises a first port; a second port having a plurality of channels; a central processing unit connected to a CPU bus; a buffer memory configured to store data to be transferred from the second port to the first port and from the first port to the second port; a buffer controller/arbiter block connected to the CPU bus and configured to control read and write operations of the buffer memory based on a control of the central processing unit; a first data transfer block connected between the first port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus; and a second data transfer block connected between the second port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus.
    Type: Application
    Filed: November 17, 2014
    Publication date: March 5, 2015
    Inventor: Dong-Ryul Ryu
  • Patent number: 8917565
    Abstract: A solid state disk controller apparatus comprises a first port; a second port having a plurality of channels; a central processing unit connected to a CPU bus; a buffer memory configured to store data to be transferred from the second port to the first port and from the first port to the second port; a buffer controller/arbiter block connected to the CPU bus and configured to control read and write operations of the buffer memory based on a control of the central processing unit; a first data transfer block connected between the first port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus; and a second data transfer block connected between the second port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: December 23, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-Ryul Ryu
  • Patent number: 8582392
    Abstract: A non-volatile memory device is operated by outputting data in response to an alternating sequence of first and second edges of a read control signal, respectively. A determination is made whether the read control signal and a write control signal are in synchronization at one of the first edges. Output of the data is stopped at the second edge that follows the one of the first edges of the read control signal if the read control signal and the write control signal are in synchronization at the one of the first edges.
    Type: Grant
    Filed: November 1, 2011
    Date of Patent: November 12, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-ryul Ryu
  • Publication number: 20120173806
    Abstract: A solid state disk controller apparatus comprises a first port; a second port having a plurality of channels; a central processing unit connected to a CPU bus; a buffer memory configured to store data to be transferred from the second port to the first port and from the first port to the second port; a buffer controller/arbiter block connected to the CPU bus and configured to control read and write operations of the buffer memory based on a control of the central processing unit; a first data transfer block connected between the first port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus; and a second data transfer block connected between the second port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus.
    Type: Application
    Filed: March 14, 2012
    Publication date: July 5, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Dong-Ryul Ryu
  • Patent number: 8159889
    Abstract: A solid state disk controller apparatus comprises a first port; a second port having a plurality of channels; a central processing unit connected to a CPU bus; a buffer memory configured to store data to be transferred from the second port to the first port and from the first port to the second port; a buffer controller/arbiter block connected to the CPU bus and configured to control read and write operations of the buffer memory based on a control of the central processing unit; a first data transfer block connected between the first port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus; and a second data transfer block connected between the second port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: April 17, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-Ryul Ryu
  • Patent number: 8145867
    Abstract: A non-volatile memory device is operated by outputting data in response to an alternating sequence of first and second edges of a read control signal, respectively. A determination is made whether the read control signal and a write control signal are in synchronization at one of the first edges. Output of the data is stopped at the second edge that follows the one of the first edges of the read control signal if the read control signal and the write control signal are in synchronization at the one of the first edges.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: March 27, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-ryul Ryu
  • Publication number: 20120047389
    Abstract: A non-volatile memory device is operated by outputting data in response to an alternating sequence of first and second edges of a read control signal, respectively. A determination is made whether the read control signal and a write control signal are in synchronization at one of the first edges. Output of the data is stopped at the second edge that follows the one of the first edges of the read control signal if the read control signal and the write control signal are in synchronization at the one of the first edges.
    Type: Application
    Filed: November 1, 2011
    Publication date: February 23, 2012
    Inventor: Dong-ryul Ryu
  • Publication number: 20090265513
    Abstract: A solid state disk controller apparatus comprises a first port; a second port having a plurality of channels; a central processing unit connected to a CPU bus; a buffer memory configured to store data to be transferred from the second port to the first port and from the first port to the second port; a buffer controller/arbiter block connected to the CPU bus and configured to control read and write operations of the buffer memory based on a control of the central processing unit; a first data transfer block connected between the first port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus; and a second data transfer block connected between the second port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus.
    Type: Application
    Filed: June 25, 2009
    Publication date: October 22, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Dong-Ryul RYU
  • Patent number: 7584304
    Abstract: We describe and claim an improved non-volatile memory storage device including an interface select switch and associated method. The device comprises a non-volatile memory, and an interface unit including a plurality of storage interfaces, the interface unit to select a storage interface from the plurality of storage interfaces responsive to a selection signal, where the non-volatile memory to exchange data with a host external to the device via the selected storage interface. In an embodiment, the selected storage interface is an ATA storage interface to convert the exchanged data in accordance with an ATA protocol when selected responsive to the selection signal. In another embodiment, the selected storage interface is a SATA storage interface to convert the exchanged data in accordance with a SATA protocol when selected responsive to the selection signal.
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: September 1, 2009
    Assignee: Samsung Electronics
    Inventors: Jeong-Woo Lee, Dong-Ryul Ryu
  • Patent number: 7523274
    Abstract: A data storage device includes a memory block, a data classification unit, and a memory control unit. The memory block includes a high-speed nonvolatile memory and a low-speed nonvolatile memory, wherein a data access speed of the high-speed nonvolatile memory is greater than a data access speed of the low-speed nonvolatile memory. The data classification unit classifies the externally input data into data groups including busy data and free data, where the busy data has greater access frequency than the free data. The memory control unit configured to store the externally input data classified by the data classification unit as busy data in the high-speed nonvolatile memory, and to store the externally input data classified by the data classification unit as free data in the low-speed nonvolatile memory.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: April 21, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Ryul Ryu, Jong-Soo Lee
  • Publication number: 20070106836
    Abstract: A semiconductor solid state disk control device includes a flash interface configured to interface with the flash memory. The control device also includes a host interface configured to interface with the host. The control device also includes a first clock generator configured to generate a first driving clock to the host interface. The control device also includes a second clock generator configured to generate a second driving clock to the flash interface independent of the first clock generator.
    Type: Application
    Filed: November 9, 2006
    Publication date: May 10, 2007
    Inventors: Jeong-Woo Lee, Dong-Ryul Ryu
  • Publication number: 20060248259
    Abstract: A data storage device includes a memory block, a data classification unit, and a memory control unit. The memory block includes a high-speed nonvolatile memory and a low-speed nonvolatile memory, wherein a data access speed of the high-speed nonvolatile memory is greater than a data access speed of the low-speed nonvolatile memory. The data classification unit classifies the externally input data into data groups including busy data and free data, where the busy data has greater access frequency than the free data. The memory control unit configured to store the externally input data classified by the data classification unit as busy data in the high-speed nonvolatile memory, and to store the externally input data classified by the data classification unit as free data in the low-speed nonvolatile memory.
    Type: Application
    Filed: December 29, 2005
    Publication date: November 2, 2006
    Inventors: Dong-Ryul Ryu, Jong-Soo Lee
  • Publication number: 20060152981
    Abstract: A solid state disk controller apparatus comprises a first port; a second port having a plurality of channels; a central processing unit connected to a CPU bus; a buffer memory configured to store data to be transferred from the second port to the first port and from the first port to the second port; a buffer controller/arbiter block connected to the CPU bus and configured to control read and write operations of the buffer memory based on a control of the central processing unit; a first data transfer block connected between the first port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus; and a second data transfer block connected between the second port and the buffer controller/arbiter block and configured to transfer data to be stored/read in/from the buffer memory bypassing the CPU bus.
    Type: Application
    Filed: December 19, 2005
    Publication date: July 13, 2006
    Inventor: Dong-Ryul Ryu
  • Publication number: 20060069820
    Abstract: We describe and claim an improved non-volatile memory storage device including an interface select switch and associated method. The device comprises a non-volatile memory, and an interface unit including a plurality of storage interfaces, the interface unit to select a storage interface from the plurality of storage interfaces responsive to a selection signal, where the non-volatile memory to exchange data with a host external to the device via the selected storage interface. In an embodiment, the selected storage interface is an ATA storage interface to convert the exchanged data in accordance with an ATA protocol when selected responsive to the selection signal. In another embodiment, the selected storage interface is a SATA storage interface to convert the exchanged data in accordance with a SATA protocol when selected responsive to the selection signal.
    Type: Application
    Filed: July 13, 2005
    Publication date: March 30, 2006
    Inventors: Jeong-Woo Lee, Dong-Ryul Ryu
  • Publication number: 20060023499
    Abstract: A non-volatile memory device is operated by outputting data in response to an alternating sequence of first and second edges of a read control signal, respectively. A determination is made whether the read control signal and a write control signal are in synchronization at one of the first edges. Output of the data is stopped at the second edge that follows the one of the first edges of the read control signal if the read control signal and the write control signal are in synchronization at the one of the first edges.
    Type: Application
    Filed: November 24, 2004
    Publication date: February 2, 2006
    Inventor: Dong-ryul Ryu
  • Patent number: 6888216
    Abstract: The present invention discloses a circuit having a make-link type fuse. The circuit comprising a first make-link type fuse connected between a gate of a transistor and a first supply voltage.
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: May 3, 2005
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-Seok Lee, Young-Kug Moon, Dong-Ryul Ryu