Patents by Inventor Bong-Jin Choi
Bong-Jin Choi 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).
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Publication number: 20240143927Abstract: Provided are a method for generating a summary and a system therefor. The method according to some embodiments may include calculating a likelihood loss for a summary model using a first text sample and a first summary sentence corresponding to the first text sample, calculating an unlikelihood loss for the summary model using a second text sample and the first summary sentence, the second text sample being a negative sample generated from the first text sample, and updating the summary model based on the likelihood loss and the unlikelihood loss.Type: ApplicationFiled: October 26, 2023Publication date: May 2, 2024Applicants: SAMSUNG SDS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Sung Roh YOON, Bong Kyu HWANG, Ju Dong KIM, Jae Woong YUN, Hyun Jae LEE, Hyun Jin CHOI, Jong Yoon SONG, Noh II PARK, Seong Ho JOE, Young June GWON
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Patent number: 11934950Abstract: An apparatus for embedding a sentence feature vector according to an embodiment includes a sentence acquisitor configured to acquire a first sentence and a second sentence, each including one or more words; a vector extractor configured to extract a first feature vector corresponding to the first sentence and a second feature vector corresponding to the second sentence by independently inputting each of the first sentence and the second sentence into a feature extraction network; and a vector compressor configured to compress the first feature vector and the second feature vector into a first compressed vector and a second compressed vector, respectively, by independently inputting each of the first feature vector and the second feature vector into a convolutional neural network (CNN)-based vector compression network.Type: GrantFiled: October 26, 2020Date of Patent: March 19, 2024Assignee: SAMSUNG SDS CO., LTD.Inventors: Seong Ho Joe, Young June Gwon, Seung Jai Min, Ju Dong Kim, Bong Kyu Hwang, Jae Woong Yun, Hyun Jae Lee, Hyun Jin Choi
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Publication number: 20230193523Abstract: Leather fibers for yarn are provided. The leather fibers used to manufacture the yarn are obtained from cowhide. The leather fibers obtained through leather selection and separation techniques may improve the physical properties of the yarn.Type: ApplicationFiled: January 5, 2021Publication date: June 22, 2023Inventors: Ji Eon KIM, Bong Jin CHOI
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Publication number: 20230106658Abstract: The present invention relates to a method of preparing a precursor material of a positive electrode active material from a waste lithium secondary battery, to a method of preparing a lithium secondary battery positive electrode active material including a precursor material prepared by the same precursor preparation method, and to a lithium secondary battery positive electrode active material prepared by the same positive electrode active material preparation method.Type: ApplicationFiled: October 19, 2020Publication date: April 6, 2023Inventors: Myung-Jin KIM, Ji-Hoon LEE, Bong-Jin CHOI
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Publication number: 20230093576Abstract: The present disclosure relates to a method for producing, high-purity lithium hydroxide from a lithium-containing waste liquid of a spent lithium secondary battery.Type: ApplicationFiled: October 19, 2020Publication date: March 23, 2023Inventors: Ji-Hoon LEE, Myung-Jin KIM, Bong-Jin CHOI
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Publication number: 20230013498Abstract: The present disclosure provides: a method for preparing a cathode active material precursor material by using a high-nickel-content waste lithium secondary battery; a method for preparing a cathode active material for a lithium secondary battery, including a cathode active material precursor material prepared by the method for preparing a cathode active material precursor material; and a cathode active material for a lithium secondary battery, prepared according to the method for preparing a cathode active material for a lithium secondary battery.Type: ApplicationFiled: October 19, 2020Publication date: January 19, 2023Inventors: Myung-Jin KIM, Ji-Hoon LEE, Bong-Jin CHOI
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Patent number: 10949962Abstract: Provided is an x-ray detecting type of a component counter and a method for counting components using the same. The component counter includes: an image obtaining module to obtain an image of an object with an x-ray tube and a flat detector; an inputting frame located at the front of the image obtaining module and having a guiding surface; a transferring tray to move between the image obtaining module and the inputting frame along a moving guide installed at the guiding surface; and a foreign object sensor displaced at the inputting frame to detect a foreign object; wherein the detector has a horizontal section to corresponding to an investigating surface of the transferring tray.Type: GrantFiled: January 22, 2019Date of Patent: March 16, 2021Assignee: XAVIS CO., LTDInventors: Hyeong-Cheol Kim, Bong-Jin Choi, Yong-Han Jang
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Publication number: 20200234431Abstract: Provided is an x-ray detecting type of a component counter and a method for counting components using the same. The component counter includes: an image obtaining module to obtain an image of an object with an x-ray tube and a flat detector; an inputting frame located at the front of the image obtaining module and having a guiding surface; a transferring tray to move between the image obtaining module and the inputting frame along a moving guide installed at the guiding surface; and a foreign object sensor displaced at the inputting frame to detect a foreign object; wherein the detector has a horizontal section to corresponding to an investigating surface of the transferring tray.Type: ApplicationFiled: January 22, 2019Publication date: July 23, 2020Inventors: Hyeong-Cheol Kim, Bong-Jin Choi, Yong-Han Jang
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Patent number: 10336924Abstract: An pressure sensitive adhesive composition according to the present invention includes: an acrylic copolymer; a multifunctional acrylate-based compound; and a photoinitiator, in which the acrylic copolymer includes a repeating unit derived from an acrylate-based monomer having a Tg of ?20° C. or less and a repeating unit derived from an unsaturated carboxylic acid monomer, and the repeating unit derived from the unsaturated carboxylic acid monomer is included in an amount of 10 to 50 parts by weight based on the total 100 parts by weight of the acrylic copolymer.Type: GrantFiled: February 9, 2018Date of Patent: July 2, 2019Assignee: Dongwoo Fine-Chem Co., Ltd.Inventors: Joong Han Kum, Jeong Ho Yoo, Kyoung Moon Jung, Bong Jin Choi, Han Young Choi
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Patent number: 10191329Abstract: A reflective light control film includes a transparent film having a plurality of protruded line patterns formed on one surface of the base film, each of the protruded line patterns including a first side having an inclination angle with respect to the one surface of the base film and a second side, and a light reflection layer provided on the first side. The reflective light control film has excellent visibility for the screen even if it is not provided with a separate shade, and the screen is prevented from being reflected on the windshield.Type: GrantFiled: June 29, 2017Date of Patent: January 29, 2019Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Bong Jin Choi, Gi Hwan Ahn, Joong Han Kum, Jeung Hoon On, Han Young Choi
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Publication number: 20180223138Abstract: An pressure sensitive adhesive composition according to the present invention includes: an acrylic copolymer; a multifunctional acrylate-based compound; and a photoinitiator, in which the acrylic copolymer includes a repeating unit derived from an acrylate-based monomer having a Tg of ?20° C. or less and a repeating unit derived from an unsaturated carboxylic acid monomer, and the repeating unit derived from the unsaturated carboxylic acid monomer is included in an amount of 10 to 50 parts by weight based on the total 100 parts by weight of the acrylic copolymer.Type: ApplicationFiled: February 9, 2018Publication date: August 9, 2018Applicant: DONGWOO FINE-CHEM CO., LTD.Inventors: Joong Han KUM, Jeong Ho YOO, Kyoung Moon JUNG, Bong Jin CHOI, Han Young CHOI
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Publication number: 20180004043Abstract: A reflective light control film includes a transparent film having a plurality of protruded line patterns formed on one surface of the base film, each of the protruded line patterns including a first side having an inclination angle with respect to the one surface of the base film and a second side, and a light reflection layer provided on the first side. The reflective light control film has excellent visibility for the screen even if it is not provided with a separate shade, and the screen is prevented from being reflected on the windshield.Type: ApplicationFiled: June 29, 2017Publication date: January 4, 2018Inventors: Bong Jin CHOI, Gi Hwan AHN, Joong Han KUM, Jeung Hoon ON, Han Young CHOI
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Patent number: 9134634Abstract: A control device for preventing meandering of patterns for use in a patterned film manufacturing device which includes a film transferring equipment and a pattern forming equipment, includes a marking unit that forms markings on a predetermined reference position on the film, a recognizing unit that is located at the rear of the marking unit and recognizes positions of the markings on the film, a computing unit that computes an amount of meandering based on differences between the reference position and the recognized positions of the markings, a control unit that generates a correction signal for correcting positions of the marking unit and the pattern forming equipment corresponding to the computed the amount of meandering, and a correction unit that receives the correction signal and corrects positions of the marking unit and the pattern forming equipment based on the received correction signal.Type: GrantFiled: April 21, 2012Date of Patent: September 15, 2015Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Young Geun Yoon, Il Woo Park, Yong Hwan Kim, Bong Jin Choi
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Patent number: 8968487Abstract: A wafer container cleaning device for cleaning container bodies and container covers of wafer containers includes a housing having a cleaning chamber defined therein, a rotor rotatably installed within the cleaning chamber of the housing, a plurality of container holders mounted to the rotor to removably hold the container bodies and the container covers, and a cleaning solution sprayer nozzle for spraying a cleaning solution toward the container bodies and the container covers held by the container holders. Each of the container holders includes a support tray having a body support portion for supporting each of the container bodies in an upside down state and a cover support portion for supporting each of the container covers.Type: GrantFiled: January 24, 2011Date of Patent: March 3, 2015Assignee: Deviceeng Co., Ltd.Inventors: In Ho Bang, Bum Sun Park, Bong Jin Choi
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Publication number: 20120271447Abstract: A control device for preventing meandering of patterns for use in a patterned film manufacturing device which includes a film transferring equipment and a pattern forming equipment, includes a marking unit that forms markings on a predetermined reference position on the film, a recognizing unit that is located at the rear of the marking unit and recognizes positions of the markings on the film, a computing unit that computes an amount of meandering based on differences between the reference position and the recognized positions of the markings, a control unit that generates a correction signal for correcting positions of the marking unit and the pattern forming equipment corresponding to the computed the amount of meandering, and a correction unit that receives the correction signal and corrects positions of the marking unit and the pattern forming equipment based on the received correction signal.Type: ApplicationFiled: April 21, 2012Publication date: October 25, 2012Applicant: DONGWOO FINE-CHEM CO., LTD.Inventors: Young Geun YOON, Il Woo PARK, Yong Hwan KIM, Bong Jin CHOI
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Publication number: 20110284038Abstract: A wafer container cleaning device for cleaning container bodies and container covers of wafer containers includes a housing having a cleaning chamber defined therein, a rotor rotatably installed within the cleaning chamber of the housing, a plurality of container holders mounted to the rotor to removably hold the container bodies and the container covers, and a cleaning solution sprayer nozzle for spraying a cleaning solution toward the container bodies and the container covers held by the container holders. Each of the container holders includes a support tray having a body support portion for supporting each of the container bodies in an upside down state and a cover support portion for supporting each of the container covers.Type: ApplicationFiled: January 24, 2011Publication date: November 24, 2011Applicant: DEVICEENG CO., LTD.Inventors: In Ho Bang, Bum Sun Park, Bong Jin Choi
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Patent number: 8052902Abstract: A method of fabricating a polarizing plate includes: providing a polarizing roll film having transmission axes; and cutting the polarizing roll film with a knife having a plurality of openings each having a rectangular shape to form a plurality of polarizing plates, the plurality of openings parallel to the transmission axes.Type: GrantFiled: November 28, 2007Date of Patent: November 8, 2011Assignee: LG Display Co., Ltd.Inventors: Jin-Kwan Jeong, Bong-Jin Choi
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Publication number: 20080164627Abstract: A method of fabricating a polarizing plate includes: providing a polarizing roll film having transmission axes; and cutting the polarizing roll film with a knife having a plurality of openings each having a rectangular shape to form a plurality of polarizing plates, the plurality of openings parallel to the transmission axes.Type: ApplicationFiled: November 28, 2007Publication date: July 10, 2008Inventors: Jin-Kwan Jeong, Bong-Jin Choi