Patents by Inventor Yoon-Tae Lee

Yoon-Tae Lee 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: 20240145772
    Abstract: An embodiment composition for solid electrolyte membranes of all-solid-state batteries includes a sulfide-based solid electrolyte and a cross-linking agent including two or more acrylate functionalities. An embodiment method of manufacturing a solid electrolyte membrane for an all-solid-state battery includes forming a composition including a sulfide-based solid electrolyte and a cross-linking agent including two or more acrylate functionalities and cross-linking the composition.
    Type: Application
    Filed: September 14, 2023
    Publication date: May 2, 2024
    Inventors: So Yeon Kim, Yun Sung Kim, Ga Hyeon Im, Yoon Kwang Lee, Hong Seok Min, Kyu Joon Lee, Dong Won Kim, Young Jun Lee, Hui Tae Sim, Seung Bo Hong
  • Publication number: 20240145752
    Abstract: A fuel cell apparatus of the disclosure includes a case having defined therein a first accommodation space and a second accommodation space, which are isolated from each other by a partition wall, a first cover covering the first accommodation space in the case, a second cover covering the second accommodation space in the case, a power distribution unit disposed in the first accommodation space, and a power conversion unit disposed in the second accommodation space.
    Type: Application
    Filed: May 11, 2023
    Publication date: May 2, 2024
    Inventors: Sae Kwon CHANG, Jong Jun LEE, Woo Young LEE, Yoon Tae KIM
  • Publication number: 20240072283
    Abstract: A fuel cell vehicle includes a cell stack, a DC level converter, an output unit, a first switching unit disposed between a positive output terminal of the DC level converter and a positive input terminal of the output unit, a second switching unit disposed between a negative output terminal of the DC level converter and a negative input terminal of the output unit, a resistor and a third switching unit connected to each other in series between the positive output terminal of the DC level converter and the negative output terminal of the DC level converter, a fourth switching unit disposed between a contact point between the resistor and the third switching unit and the positive input terminal of the output unit, and a controller for controlling switching operation of the first, second, third and fourth switching units according to an operation mode.
    Type: Application
    Filed: July 3, 2023
    Publication date: February 29, 2024
    Applicants: Hyundai Motor Company, KIA CORPORATION
    Inventors: Ki Wook Ohm, Woo Young Lee, Jong Jun Lee, Myung Jin Kim, Sae Kwon Chang, Yoon Tae Kim
  • Patent number: 11009807
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a sensor to detect a toner concentration, and a processor to control a rendering of image-forming data to form an image on an image forming medium, according to a level of toner concentration saving that is adjusted based on the detected toner concentration.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: May 18, 2021
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Kyeong-man Kim, Hyun-soo Oh, Seong-wook Han, Yoon-tae Lee
  • Publication number: 20200117118
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a sensor to detect a toner concentration, and a processor to control a rendering of image-forming data to form an image on an image forming medium, according to a level of toner concentration saving that is adjusted based on the detected toner concentration.
    Type: Application
    Filed: December 11, 2019
    Publication date: April 16, 2020
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Kyeong-man KIM, Hyun-soo OH, Seong-wook HAN, Yoon-tae LEE
  • Patent number: 10539908
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a sensor configured to sense a toner concentration, a processor configured to determine at least one of a coring level and a total area coverage (TAC) level according to the detected toner concentration, and an image former configured to print the rendered print data.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: January 21, 2020
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Kyeong-man Kim, Hyun-soo Oh, Seong-wook Han, Yoon-tae Lee
  • Publication number: 20180188669
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a sensor configured to sense a toner concentration, a processor configured to determine at least one of a coring level and a total area coverage (TAC) level according to the detected toner concentration, and an image former configured to print the rendered print data.
    Type: Application
    Filed: June 16, 2017
    Publication date: July 5, 2018
    Applicant: S-Printing Solution Co., Ltd.
    Inventors: Kyeong-man KIM, Hyun-soo OH, Seong-wook HAN, Yoon-tae LEE
  • Patent number: 9203980
    Abstract: A chip mountable on a customer replaceable unit monitoring memory (CRUM) unit used in an image forming job includes a central processing unit (CPU) with an operating system (OS) thereof, which is separate from an OS of the image forming apparatus, to perform at least one of authentication and cryptographic data communication with a main body of an image forming apparatus by executing one cryptographic algorithm corresponding to a set state from among a plurality of pre-provided cryptographic algorithms, using the OS thereof. The security of a unit on which the chip is mounted can thereby be reinforced and random changes of data of the unit can be prevented.
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: December 1, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-sung Lee, Yoon-tae Lee, Won-il Cho
  • Patent number: 8831442
    Abstract: A developer of an image-forming apparatus includes a photoconductor, a housing comprising a waste toner container in which waste toner removed from the photoconductor is contained, and a recessed portion depressed downwardly in a center portion of an upper wall of the waste toner container, the center portion corresponding to a center portion of the photoconductor in a lengthwise direction to move toner away from the center portion.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: September 9, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-in Kim, Dae-seob Kweon, Sang-hoon Lee, Won-il Cho, Yoon-tae Lee, Jae-sung Lee
  • Patent number: 8806257
    Abstract: Disclosed is an image processing apparatus, which can differently set a clock ratio according to a use rate of a CPU, and a control method thereof. The image processing apparatus may include a receiver to receive a print command from a user terminal, and a controller to differently set a clock ratio according to a use rate of the CPU based on the print command.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: August 12, 2014
    Assignee: SAMSUNG Electronics Co., Ltd.
    Inventors: Soo Hee Park, Yoon Tae Lee
  • Publication number: 20140211222
    Abstract: An image forming apparatus including a multi-processor and an image forming method thereof. The apparatus includes a data processing unit to divide input print data into a plurality of divided print data according to a predetermined criterion and to simultaneously process the plurality of divided print data using a multi-processor, and an image forming unit to form an image corresponding to the processed print data.
    Type: Application
    Filed: January 22, 2013
    Publication date: July 31, 2014
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Soo-hee PARK, Yoon-tae LEE
  • Patent number: 8548342
    Abstract: An image forming apparatus including a replaceable unit to participate in an image forming job, and a consumer replaceable unit monitor (CRUM) unit mountable to the replaceable unit.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: October 1, 2013
    Assignee: Samung Electronics Co., Ltd.
    Inventors: Jae-sung Lee, Yong-geun Kim, Yoon-tae Lee
  • Patent number: 8453260
    Abstract: A chip mountable on a customer replaceable unit monitoring memory (CRUM) unit used in an image forming job includes a central processing unit (CPU) with its own operating system (OS), which operates separately from an OS of the image forming apparatus, to perform authentication communication with a main body of the image forming apparatus using the OS of the CPU. The security of a unit on which the chip is mounted can thereby be reinforced and random changes of data of the unit can be prevented.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: May 28, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-sung Lee, Yoon-tae Lee, Won-il Cho
  • Patent number: 8422893
    Abstract: A developer of an image-forming apparatus includes a photoconductor, a housing comprising a waste toner container in which waste toner removed from the photoconductor is contained, and a recessed portion depressed downwardly in a center portion of an upper wall of the waste toner container, the center portion corresponding to a center portion of the photoconductor in a lengthwise direction to move toner away from the center portion.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: April 16, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jong-in Kim, Dae-seob Kweon, Sang-hoon Lee, Won-il Cho, Yoon-tae Lee, Jae-sung Lee
  • Publication number: 20130070301
    Abstract: A chip mountable on a customer replaceable unit monitoring memory (CRUM) unit used in an image forming job includes a central processing unit (CPU) with an operating system (OS) thereof, which is separate from an OS of the image forming apparatus, to perform at least one of authentication and cryptographic data communication with a main body of an image forming apparatus by executing one cryptographic algorithm corresponding to a set state from among a plurality of pre-provided cryptographic algorithms, using the OS thereof. The security of a unit on which the chip is mounted can thereby be reinforced and random changes of data of the unit can be prevented.
    Type: Application
    Filed: November 7, 2012
    Publication date: March 21, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-sung LEE, Yoon-tae LEE, Won-il CHO
  • Patent number: 8386781
    Abstract: A chip mountable on a replaceable unit used in an image forming job is disclosed. The chip includes a central processing unit (CPU) to perform at least one of authentication and cryptographic data communication with a main body of the image forming apparatus using an operating system (OS) of the CPU which operates separately from an OS of the image forming apparatus. With the use of such a configuration, security for a unit in which the chip is mounted can thereby be reinforced.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: February 26, 2013
    Assignee: SAMSUNG Electronics Co., Ltd.
    Inventors: Won-il Cho, Jae-sung Lee, Yoon-tae Lee
  • Patent number: 8384948
    Abstract: An image forming apparatus including a multi-processor and an image forming method thereof. The apparatus includes a data processing unit to divide input print data into a plurality of divided print data according to a predetermined criterion and to simultaneously process the plurality of divided print data using a multi-processor, and an image forming unit to form an image corresponding to the processed print data.
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: February 26, 2013
    Assignee: Samsunsung Electronics Co., Ltd.
    Inventors: Soo-hee Park, Yoon-tae Lee
  • Patent number: 8330966
    Abstract: A chip mountable on a customer replaceable unit monitory (CRUM) unit used in an image forming job includes a central processing unit (CPU) to perform cryptographic data communication with a main body of an image forming apparatus, using an operating system (OS) of the CPU. The security of a unit on which the chip is mounted can thereby be reinforced and random changes of data of the unit can be prevented.
    Type: Grant
    Filed: February 19, 2009
    Date of Patent: December 11, 2012
    Assignee: SAMSUNG Electronics Co., Ltd.
    Inventors: Jae-sung Lee, Yoon-tae Lee, Won-il Cho
  • Patent number: 8332934
    Abstract: A chip mountable on a customer replaceable unit monitoring memory (CRUM) unit used in an image forming job includes a central processing unit (CPU) with an operating system (OS) thereof, which is separate from an OS of the image forming apparatus, to perform at least one of authentication and cryptographic data communication with a main body of an image forming apparatus by executing one cryptographic algorithm corresponding to a set state from among a plurality of pre-provided cryptographic algorithms, using the OS thereof. The security of a unit on which the chip is mounted can thereby be reinforced and random changes of data of the unit can be prevented.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: December 11, 2012
    Assignee: Samsung Electronics Co. Ltd.
    Inventors: Jae-sung Lee, Yoon-tae Lee, Won-il Cho
  • Publication number: 20120275800
    Abstract: A replaceable unit to participate in an image forming job of an image forming apparatus includes a storage unit to store therein a driving condition corresponding to an operation environment, a detecting unit to monitor the operation environment, a controlling unit to detect a corresponding driving condition from the storage unit if the detecting unit detects the driving environment, and an interface unit to provide a main body of the image forming apparatus with the detected corresponding driving condition. Accordingly, the replaceable unit can be driven under optimum driving conditions.
    Type: Application
    Filed: July 9, 2012
    Publication date: November 1, 2012
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Jae-sung LEE, Yong-geun Kim, Yoon-tae Lee