Patents by Inventor Kyung Min Lee

Kyung Min 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).

  • Patent number: 9831689
    Abstract: The present invention relates to a method for more efficiently performing a balancing operation for a plurality of battery cells of which charges are not equal, in a battery cell balancing circuit using an LC series resonant circuit. The method may include calculating balancing charge for all battery cells of which the charges are not equal, selecting the strongest battery cell storing the highest charge and the weakest battery cell corresponding to the strongest battery cell, among the entire battery cells, and performing a series of balancing operations.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: November 28, 2017
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Bong Koo Kang, Kyung Min Lee, Yoo Chae Chung, Chang Hyeon Sung
  • Patent number: 9798491
    Abstract: A semiconductor system may include a plurality of memory devices corresponding to a plurality of channels, an address mapping unit suitable for converting addresses corresponding to provided external requests according to a selected address map among a plurality of address maps; a monitoring unit suitable for monitoring the external requests provided to each of the plurality of channels, and a control unit suitable for providing a control signal for controlling the address mapping unit to select an address map according to a result of the monitoring.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: October 24, 2017
    Assignee: SK Hynix Inc.
    Inventors: Kyung-Min Lee, Young-Suk Moon
  • Patent number: 9793725
    Abstract: The present invention relates to a technology capable of improving the use time of a battery cell by generally or individually controlling charge or discharge with respect to a multi-battery cell by using LC serial resonance in a module with a multi-battery cell structure. To this end, the present invention includes a battery module including a plurality of serially connected battery cells, a serial resonant circuit including serially connected inductor and capacitor and performing a serial resonant function, and first to third switch units that set an electric energy collection path and an electric energy supply path between the battery module and the serial resonant circuit.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: October 17, 2017
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Chang Hyeon Sung, Kyung Min Lee, Yoo Chae Chung, Bong Koo Kang
  • Publication number: 20170277606
    Abstract: A semiconductor system includes one or more core chips including a plurality of memory banks; one or more replacement storage units; and a base chip suitable for: first detecting a memory bank having an access frequency that satisfies a first condition, second detecting whether an utilization rate of the first detected memory bank satisfies a second condition, and replacing the second detected memory bank with one among the replacement storage units.
    Type: Application
    Filed: August 12, 2016
    Publication date: September 28, 2017
    Inventors: Kyung-Min LEE, Young-Ook SONG, Ki-Joong KIM, Yong-Ju KIM, Jung-Hyun KWON, Sang-Gu JO
  • Publication number: 20170238688
    Abstract: An oral care implement including a body comprising a handle, a head at an end of the handle, and at least one fluid outlet, the head having at least one oral care element extending therefrom; a reservoir, in the body, for storing an oral care fluid; and a pump for pumping the oral care fluid from the reservoir towards the fluid outlet, wherein the pump comprises a first check valve downstream of the reservoir, and a second check valve downstream of the first check valve and upstream of the fluid outlet. One of the first and second check valves comprises a valve seat defining an opening through which the oral care fluid is flowable, a valve member separate from the valve seat and comprising a stopper movable linearly relative to the valve seat, and a resilient element separate from the valve member and biasing the stopper towards the valve seat.
    Type: Application
    Filed: August 18, 2014
    Publication date: August 24, 2017
    Applicant: COLGATE-PALMOLIVE COMPANY
    Inventors: Donghui WU, David Kyung Min Lee
  • Publication number: 20170218322
    Abstract: The apparatus includes: a pretreatment tank where biomass and a first acid solution are stirred to extract sugar components from the biomass; a hydrolysis tank where water is added to the pretreated mixture transferred from the pretreatment tank such that the concentration of the acid is reduced and the sugar components are hydrolyzed to produce an acid hydrolyzate; a first sugar-acid separation tank where the acid hydrolyzate is separated into a second acid solution and a first hydrolyzate; a second sugar-acid separation tank where the first hydrolyzate is separated into a third acid solution and a second hydrolyzate; a fermentation tank where the second hydrolyzate is fermented to produce bioenergy; and an acid solution concentration tank where a mixture of the second acid solution transferred from the first sugar-acid separation tank and the third acid solution transferred from the second sugar-acid separation tank is concentrated to a higher level for reuse.
    Type: Application
    Filed: September 21, 2015
    Publication date: August 3, 2017
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young Soon UM, Hong Gon KIM, Byoung Sung AHN, Sang Deuk LEE, Chang Soo KIM, Dong Jin SUH, Kyung Min LEE
  • Patent number: 9716285
    Abstract: A method of manufacturing a proton conducting fuel cell composite membrane includes the step of electrospinning a non-charged polymeric material, such as PVDF and PSF, into fiber mats. The fibers are fused to one another to provide a welded porous mat. The welded porous mat is filled with proton conducting electrolyte, such as PFSA polymer, to generate a proton conducting composite membrane. The resulting proton conducting fuel cell membrane comprises a randomly oriented, three dimensional interlinked fiber lattice structure filled with proton conducting electrolyte, such as PFSA polymer.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: July 25, 2017
    Assignee: Audi AG
    Inventors: Mallika Gummalla, Zhiwei Yang, Peter Pintauro, Kyung Min Lee, Ryszard Wycisk
  • Patent number: 9657318
    Abstract: Provided is a method for preparing a lignocellulosic biomass hydrolysate having toxicity reduced or removed and being used for fermentation by microorganisms, comprising the steps of: pretreating, hydrolyzing, and using an electrochemical detoxification method.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: May 23, 2017
    Assignee: Korea Institute of Science and Technology
    Inventors: Youngsoon Um, Yunje Kim, Dongjin Suh, Kyung Min Lee, Jeong Myeong Ha
  • Publication number: 20170126028
    Abstract: The present invention relates to a technique for implementing a bidirectional DC-DC converter applied to an energy storage system. The bidirectional DC-DC converter includes a magnetically coupled inductor and a charging/discharging voltage storage unit between a DC link power supply and a battery power supply, and implements a high gain through a two-step voltage transformation process when a charging process or discharging process is performed. Thus, the bidirectional DC-DC converter can reduce the construction cost of the battery cell, guarantee a high voltage available range, and reduce the influence of leakage inductance.
    Type: Application
    Filed: October 28, 2016
    Publication date: May 4, 2017
    Inventors: Bong Koo KANG, Sang Won LEE, Kyung Min LEE, Yoon Geol CHOI
  • Publication number: 20170083264
    Abstract: A semiconductor system may include: a command queue suitable for storing a plurality of requests provided from a host according to rank and bank information of the requests; one or more determination units suitable for determining requests having a same row address in response to row address information of the requests stored in the command queue; an arbitration unit suitable for scheduling the plurality of requests according to internal priorities of the requests; a monitoring unit suitable for providing the rank information and row hit information of the plurality of requests outputted according to the scheduling result of the arbitration unit, to the arbitration unit; a command generation unit suitable for generating a plurality of commands corresponding to and in response to the plurality of requests outputted according to the scheduling result of the arbitration unit; and a semiconductor memory device suitable for performing an internal operation in response to the command, wherein the arbitration unit r
    Type: Application
    Filed: January 15, 2016
    Publication date: March 23, 2017
    Inventors: Kyung-Min LEE, Yong-Ju KIM
  • Publication number: 20170076716
    Abstract: Provided herein is a voice recognition server and a control method thereof, the method including determining an index value for each of a plurality of training texts; setting a group for each of the plurality of training texts based on the index values of the plurality of training texts, and matching a function corresponding to each group and storing the matched results; in response to receiving a user's uttered voice from a user terminal apparatus, determining an index value from the received uttered voice; and searching a group corresponding to the index value determined from the received uttered voice, and performing the function corresponding to the uttered voice, thereby providing a voice recognition result of a variety of user's uttered voices suitable to the user's intentions.
    Type: Application
    Filed: March 8, 2016
    Publication date: March 16, 2017
    Inventors: Kyung-min LEE, Il-hwan KIM, Chi-youn PARK, Young-ho HAN, Nam-hoon KIM, Jae-won LEE
  • Publication number: 20170060475
    Abstract: A semiconductor system may include a plurality of memory devices corresponding to a plurality of channels, an address mapping unit suitable for converting addresses corresponding to provided external requests according to a selected address map among a plurality of address maps; a monitoring unit suitable for monitoring the external requests provided to each of the plurality of channels, and a control unit suitable for providing a control signal for controlling the address mapping unit to select an address map according to a result of the monitoring.
    Type: Application
    Filed: December 29, 2015
    Publication date: March 2, 2017
    Inventors: Kyung-Min LEE, Young-Suk MOON
  • Patent number: 9579630
    Abstract: Provided is a bead in which an adsorbent and an organic contaminant-degrading microorganism are supported, wherein an adsorbent for adsorbing organic contaminants is supported on the bead together with an organic contaminant-degrading microorganism for degrading the organic contaminants adsorbed to the adsorbent to allow for the adsorbent to remove organic contaminants in water and to allow for the organic contaminant-degrading microorganism to regenerate the adsorbent.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: February 28, 2017
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae Woo Choi, Soonjae Lee, Kyung Min Lee, Seulki Cho, Chang Gu Lee, Chanhyuk Park, Sanghyup Lee
  • Patent number: 9570239
    Abstract: An electrode forming film includes: a dielectric film; an electrode head part; a first common electrode connected with the electrode head part; a plurality of first split electrodes spaced apart from the first common electrode in the first direction; a second common electrode spaced apart from the first split electrodes in the first direction; a plurality of second split electrodes spaced apart from the second common electrode in the first direction; a plurality of first fuse parts formed between the first common electrode and the first split electrodes; a plurality of second fuse parts formed between the first split electrodes and the second common electrode; and a plurality of third fuse parts formed between the second common electrode and the second split electrodes.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: February 14, 2017
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Soo Hwi Lee, Kyung Min Lee, Young Jun Jo
  • Publication number: 20170032779
    Abstract: A method of updating a grammar model used during speech recognition includes obtaining a corpus including at least one word, obtaining the at least one word from the corpus, splitting the at least one obtained word into at least one segment, generating a hint for recombining the at least one segment into the at least one word, and updating the grammar model by using at least one segment comprising the hint.
    Type: Application
    Filed: April 25, 2016
    Publication date: February 2, 2017
    Inventors: Dong-hoon AHN, Chi-youn PARK, Kyung-min LEE, Jae-won LEE
  • Publication number: 20170007984
    Abstract: Provided is a bead in which an adsorbent and an organic contaminant-degrading microorganism are supported, wherein an adsorbent for adsorbing organic contaminants is supported on the bead together with an organic contaminant-degrading microorganism for degrading the organic contaminants adsorbed to the adsorbent to allow for the adsorbent to remove organic contaminants in water and to allow for the organic contaminant-degrading microorganism to regenerate the adsorbent.
    Type: Application
    Filed: March 9, 2016
    Publication date: January 12, 2017
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae Woo CHOI, Soonjae LEE, Kyung Min LEE, Seulki CHO, Chang Gu LEE, Chanhyuk PARK, Sanghyup LEE
  • Publication number: 20170012452
    Abstract: The present invention relates to a technology for implementing a bidirectional DC/DC converter in an ESS (Energy Storage System). According to the present invention, a two-phase interleaving technique and a ZVS (Zero Voltage Switching) cell are used to implement a high-efficiency bidirectional DC/DC converter, high-efficiency energy conversion can be performed through a plurality of voltage transformation processes, ripple can be reduced to stably exchange energy, the interleaving technique is used to reduce input current ripple and output voltage ripple, and conduction loss can be reduced under a relatively high load.
    Type: Application
    Filed: July 7, 2016
    Publication date: January 12, 2017
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Bong Koo KANG, Sang Won LEE, Kyung Min LEE, Yoon Geol CHOI
  • Publication number: 20170006370
    Abstract: An ear bud set comprises: a body part; a leg part foldably connected to the body part; and an elastic body connected to the body part and a foldable portion of the leg part. The earbud set is stably provided in the ears when being used for the hearing aid or the earphone, the Bluetooth and the like, and thus is not easily separated from the ears despite vigorous motion, and since earholes are ventilated and external sound can be heard after being worn in the ears, sound transmission efficiency capable of preventing a safety accident is effective. The earbud set can be stably worn in the ears irrespective of the different shapes and sizes of ears of people, does not cause earaches by dispersing the force applied to the ears, and can be stably provided to the ears with low pressure.
    Type: Application
    Filed: December 2, 2014
    Publication date: January 5, 2017
    Applicant: GOELBIO CO., LTD.
    Inventors: Chang CHUN, Kyung Min LEE
  • Patent number: 9520240
    Abstract: A lithium titanium oxide (LTO)/carbon composite, a preparation method for the LTO/carbon composite, a negative electrode material using the LTO/carbon composite, and a hybrid super capacitor using the negative electrode material are disclosed. The lithium titanium oxide (LTO)/carbon composite is formed to insert a carbon-based additive into a plurality of voids formed on the LTO granules, thereby improving the electrical conductivity.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: December 13, 2016
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Kyung Min Lee, Byung Gwan Lee
  • Patent number: D783290
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: April 11, 2017
    Assignee: COLGATE-PALMOLIVE COMPANY
    Inventors: David Kyung Min Lee, Robert Moskovich