Patents by Inventor Chun Liu
Chun Liu 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: 20220162099Abstract: A wastewater treatment device has: an ozone generator which supplies ozone; a mixer which mixes ozone supplied from the ozone generator with wastewater and supplies ozone mixed wastewater; an ozone oxidation unit which progresses ozone oxidation in the ozone mixed wastewater while passing the ozone mixed wastewater therethrough and discharges wastewater in which the ozone has been consumed; a biological treatment unit which performs biological treatment on the wastewater discharged from the ozone oxidation unit using microorganisms; and an adjusting device which adjusts the amount of ozone to be mixed with the wastewater by the mixer so that ozone in an amount that inhibits the microorganisms of the biological treatment unit does not remain in the wastewater discharged from the ozone oxidation unit.Type: ApplicationFiled: February 12, 2022Publication date: May 26, 2022Applicant: IHI CORPORATIONInventors: Nobuhiko KUBOTA, Yuka YOSHIDA, Xia HUANG, Chun LIU, Jing ZHANG, Hong Zheng ZHOU, Xiao Xuan CHEN, Lei ZHANG
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Patent number: 11340659Abstract: An electronic device includes a casing, a stylus, a first magnet, a magnetic ring, and a pair of second magnets. The casing has a surface and an accommodation groove recessed from the surface. The stylus has a front end and a rear end. The first magnet is disposed at one of the front end and the rear end of the stylus, and the magnetic ring is disposed at the other of the front end and the rear end of the stylus. The second magnets are disposed in the casing and located below the accommodation groove, where locations of the first magnet and the magnetic ring correspond to locations of the second magnets.Type: GrantFiled: August 13, 2020Date of Patent: May 24, 2022Assignee: Acer IncorporatedInventors: Yu-Shih Wang, Wen-Chieh Tai, Cheng-Nan Ling, Chih-Chun Liu
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Patent number: 11340980Abstract: Systems, methods, and apparatus including computer-readable mediums for managing open blocks in memory systems such as NAND flash memory devices are provided. In one aspect, a memory system includes a memory and a memory controller. The memory includes multiple blocks each having a plurality of word lines. The memory controller is coupled to the memory and configured to: evaluate a read disturbance level of an open block, the open block having one or more programmed word lines and one or more blank word lines, and in response to determining that the read disturbance level of the open block is beyond a threshold level, manage each memory cell in at least one of the blank word lines to have a smaller data storing capacity than each memory cell in at least one of the one or more programmed word lines so as to reduce impact of read disturbance.Type: GrantFiled: June 19, 2020Date of Patent: May 24, 2022Assignee: Macronix International Co., Ltd.Inventors: Yi-Chun Liu, Wei Jie Chen, Ching Ting Lu, Zheng Wu
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Patent number: 11335826Abstract: A photo-detecting device includes a substrate, a first semiconductor layer, a light-absorbing layer, a second semiconductor layer, a semiconductor contact layer, an insulating layer, and an electrode structure. The second semiconductor layer includes a first region and a second region. The semiconductor contact layer is on the first region. The insulating layer covers the semiconductor contact layer, the first region, and the second region. The electrode structure covers the semiconductor contact layer, the insulating layer, the first region, and the second region.Type: GrantFiled: June 30, 2020Date of Patent: May 17, 2022Assignee: EPISTAR CORPORATIONInventors: Chu-Jih Su, Chao-Shun Huang, Shiuan-Leh Lin, Shih-Chang Lee, Wen-Luh Liao, Mei-Chun Liu
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Patent number: 11334115Abstract: An electronic device assembly is provided, including an electronic device body and a detachable lens module. The electronic device body has a housing and a first joining unit, wherein the first joining unit is disposed on the housing. The detachable lens module is detachably assembled onto the housing and has a second joining unit, wherein the first joining unit is joined to the second joining unit to electrically connect the detachable lens module to the electronic device body.Type: GrantFiled: June 19, 2020Date of Patent: May 17, 2022Assignee: Acer IncorporatedInventors: Yu-Shih Wang, Yi-Ta Huang, Chih-Chun Liu, Cheng-Nan Ling, Wen-Chieh Tai, Chi-Hung Lai, Wu-Chen Lee, Pin-Chueh Lin, Chih-Wei Liao, Ting-Wen Pai, Wen-Chieh Chen
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Publication number: 20220149172Abstract: A device comprises a plurality of nanosheets, source/drain stressors, and a gate structure wrapping around the nanosheets. The nanosheets extend in a first direction above a semiconductor substrate and are arranged in a second direction substantially perpendicular to the first direction. The source/drain stressors are on either side of the nanosheets. Each of the source/drain stressors comprises a first epitaxial layer and a second epitaxial layer over the first epitaxial layer. The first and second epitaxial layers are made of a Group IV element and a Group V element. An atomic ratio of the Group V element to the Group IV element in the second epitaxial layer is greater than an atomic ratio of the Group V element to the Group IV element in the first epitaxial layer.Type: ApplicationFiled: January 24, 2022Publication date: May 12, 2022Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., NATIONAL TAIWAN UNIVERSITYInventors: Chung-En TSAI, Chia-Che CHUNG, Chee-Wee LIU, Fang-Liang LU, Yu-Shiang HUANG, Hung-Yu YEH, Chien-Te TU, Yi-Chun LIU
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Patent number: 11327564Abstract: An eye-tracking apparatus includes a first lens group, a light splitting device, a display, an image sensor, a second lens group, and a plurality of light sources. The light splitting device receives a first beam, generates a second beam, and transmits the second beam to a second surface of the first lens group. The display projects a reference mark to a target area through the light splitting device and the first lens group. The image sensor captures a detection image on the target area through the first lens group, the light splitting device, and the second lens group. The second lens group is disposed between the light splitting device and the image sensor. The light sources are disposed around the image sensor and project a plurality of beams to the target area through the first lens group, the light splitting device, and the second lens group.Type: GrantFiled: August 19, 2020Date of Patent: May 10, 2022Assignee: HTC CorporationInventors: Meng-Che Tsai, Kuei-Chun Liu, Ching-Chia Chou, Sheng-Le Wang, Chung-Hsiang Chang
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Patent number: 11329148Abstract: A semiconductor device includes a substrate. The semiconductor device includes an AlN seed layer in direct contact with the substrate. The AlN seed layer includes an AlN first seed sublayer, and an AlN second seed sublayer, wherein a portion of the AlN seed layer closest to the substrate includes carbon dopants and has a different lattice structure from a substrate lattice structure. The semiconductor device includes a graded layer in direct contact with the AlN seed layer. The graded layer includes a first graded sublayer including AlGaN, a second graded sublayer including AlGaN, and a third graded sublayer including AlGaN. The semiconductor device includes a channel layer over the graded layer. The semiconductor device includes an active layer over the channel layer, wherein the active layer has a band gap discontinuity with the channel layer.Type: GrantFiled: November 18, 2019Date of Patent: May 10, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chi-Ming Chen, Po-Chun Liu, Chung-Yi Yu, Chia-Shiung Tsai, Ru-Liang Lee
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Patent number: 11329001Abstract: A security region is provided. The security region includes a plurality of parallel conductive lines on a substrate, wherein each of the parallel conductive lines has a width and includes a bend, and wherein at least a portion of the plurality of parallel conductive lines is discontinuous, and an electrically insulating material between each adjacent pair of parallel conductive lines.Type: GrantFiled: May 15, 2019Date of Patent: May 10, 2022Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Kangguo Cheng, Chi-Chun Liu
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Publication number: 20220141913Abstract: A core network for mobile communication system is provided. The core network includes a first network function (NF) element, a second NF element, and an operations, administration and maintenance (OAM) element. The OAM element periodically transmits a resource quota status message to the second NF element to obtain a count number of the resource of first NF element and a limit value of the count number via the second NF element, and adjusts the limit value of the resource of the first NF element according to the count number and the limit value of the resource of the first NF element.Type: ApplicationFiled: November 24, 2020Publication date: May 5, 2022Inventor: Ming-Chun LIU
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Publication number: 20220137674Abstract: A hinge mechanism includes at least two hinge modules and at least one switching assembly disposed between the adjacent two hinge modules and including a first and second rotating members rotating coaxially with respect to each other. The first rotating member is coaxially disposed at one of the adjacent hinge modules to rotate synchronously. The second rotating member is coaxially disposed at the other one of the adjacent hinge modules to rotate synchronously. The first rotating member has a first driving portion, and the second rotating member has a second driving portion. The first and second driving portions are located on rotating paths of each other, and an idle stroke is provided between the first and second driving portions along the rotating paths. When the first driving portion and the second driving portion pass through the idle stroke, torque forces generated by the adjacent two hinge modules are disconnected.Type: ApplicationFiled: July 12, 2021Publication date: May 5, 2022Applicant: Acer IncorporatedInventors: Chuan-Hua Wang, Wu-Chen Lee, Cheng-Nan Ling, Dong-Sheng Wu, Chih-Chun Liu, Wen-Chieh Tai, Yi-Ta Huang
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Publication number: 20220140080Abstract: A method for fabricating p-type field effect transistor (FET) includes the steps of first providing a substrate, forming a pad layer on the substrate, forming a well in the substrate, performing an ion implantation process to implant germanium ions into the substrate to form a channel region, and then conducting an anneal process to divide the channel region into a top portion and a bottom portion. After removing the pad layer, a gate structure is formed on the substrate and a lightly doped drain (LDD) is formed adjacent to two sides of the gate structure.Type: ApplicationFiled: January 20, 2022Publication date: May 5, 2022Applicant: UNITED MICROELECTRONICS CORP.Inventors: Shi-You Liu, Tsai-Yu Wen, Ching-I Li, Ya-Yin Hsiao, Chih-Chiang Wu, Yu-Chun Liu, Ti-Bin Chen, Shao-Ping Chen, Huan-Chi Ma, Chien-Wen Yu
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Patent number: 11317493Abstract: An LED illumination device includes a circuit substrate, a bridge rectifier, a current-limiting chip, a resistance switching module and an LED group. The bridge rectifier is disposed on the circuit substrate and electrically connected to the circuit substrate. The current-limiting chip is disposed on the circuit substrate and electrically connected to the circuit substrate. The resistance switching module is disposed on the circuit substrate and electrically connected to the circuit substrate. The LED group includes a plurality of LED chips disposed on the circuit substrate and electrically connected to the circuit substrate. The bridge rectifier, the current-limiting chip, the resistance switching module and the LED group are electrically connected with each other.Type: GrantFiled: July 3, 2020Date of Patent: April 26, 2022Assignee: PARAGON SEMICONDUCTOR LIGHTING TECHNOLOGY CO., LTD.Inventors: Chia-Tin Chung, Pei-Chun Liu
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Patent number: 11315586Abstract: A speech enhancement apparatus is disclosed and comprises an adaptive noise cancellation circuit, a blending circuit, a noise suppressor and a control module. The ANC circuit filters a reference signal to generate a noise estimate and subtracts a noise estimate from a primary signal to generate a signal estimate based on a control signal. The blending circuit blends the primary signal and the signal estimate to produce a blended signal. The noise suppressor suppresses noise over the blended signal using a first trained model to generate an enhanced signal and a main spectral representation from a main microphone and M auxiliary spectral representations from M auxiliary microphones using (M+1) second trained models to generate a main score and M auxiliary scores. The ANC circuit, the noise suppressor and the trained models are well combined to maximize the performance of the speech enhancement apparatus.Type: GrantFiled: September 30, 2020Date of Patent: April 26, 2022Assignee: British Cayman Islands Intelligo Technology Inc.Inventors: Bing-Han Huang, Chun-Ming Huang, Te-Lung Kung, Hsin-Te Hwang, Yao-Chun Liu, Chen-Chu Hsu, Tsung-Liang Chen
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Patent number: 11314343Abstract: A touch pad structure includes a touch module, a first bracket, a second bracket, and a plurality of linkage rods. The first bracket has a plurality of first pivoting portions, and the touch module is disposed on the first bracket. The second bracket has a plurality of second pivoting portions. Each of the linkage rods is pivotally connected between the first pivoting portion and the second pivoting portion, so that the touch module is moved together with the first bracket when the touch module is pressed. One portion of each of the linkage rods is pivotally rotated at the first pivoting portion, and another portion of each of the linkage rods is pivotally rotated and moved at the second pivoting portion, so that the touch module and the first bracket are moved toward a plane where the second bracket is located.Type: GrantFiled: January 14, 2021Date of Patent: April 26, 2022Assignee: Acer IncorporatedInventors: Yu-Shih Wang, Wen-Chieh Tai, Cheng-Nan Ling, Chih-Chun Liu
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Publication number: 20220122677Abstract: A memory device includes a memory cell array and a memory controller. The memory cell array includes a plurality of memory blocks. Each of the memory blocks includes a plurality of word lines. A plurality of memory chunks is coupled to at least one of the word lines. The memory controller is configured to program data to a particular memory chunk of the plurality of memory chunks by performing a chunk operation that includes selecting a particular word line from the plurality of word lines, selecting a particular memory chunk from the plurality of memory chunks that are coupled to the particular word line, and applying a program voltage to a particular memory block corresponding to the particular memory chunk to program data to the particular memory chunk.Type: ApplicationFiled: December 30, 2021Publication date: April 21, 2022Inventor: Yi-Chun Liu
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Publication number: 20220118057Abstract: The present disclosure provides an albumin nanoparticle comprising a core consisting of at least one diester derivative of ?-lapachone and a shell consisting of at least one albumin. Further, herein provided are a preparation method and use thereof. The albumin nanoparticle has a significantly longer in vivo half-life, markedly reduced toxicity and side effects, and an observably widened therapeutic window, and thus can treat cancer associated with KRAS mutations.Type: ApplicationFiled: January 22, 2020Publication date: April 21, 2022Inventors: Feng QIAN, Chun LIU
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Patent number: 11305839Abstract: A transmission device for a bicycle includes a housing, a mandrel, an assembling member, a transmission assembly, a derailleur assembly and a clutch assembly. The mandrel is rotatably disposed on the housing and extends along an axial direction. The assembling member has a driving gear. The transmission assembly is rotatably disposed on the housing and engaged with the driving gear. The derailleur assembly includes a first derailleur gear and a second derailleur gear. The transmission assembly is engaged with the first derailleur gear and the second derailleur gear. The clutch assembly includes a clutch member.Type: GrantFiled: August 1, 2019Date of Patent: April 19, 2022Inventors: Wen-Kuei Liu, Chao-Hsuan Liu, Yu-Chun Liu, Yi-Shan Liu
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Patent number: 11306529Abstract: A space adjustment system and a control method thereof are provided. The space adjustment system includes a body, at least one door leaf, at least one motor, and a control circuit. The door leaf is movably disposed at the body. The door panel of each door leaf includes a panel. The motor can drive the motion of the door leaf. The control circuit is coupled with the panel of the door leaf and motor. The control circuit controls the motor to drive the door leaf, and adjusts the transparency or display function of the panel on the corresponding door leaf in response to a location of the door leaf. Accordingly, multiple space type can be created.Type: GrantFiled: February 27, 2019Date of Patent: April 19, 2022Assignee: COMPAL ELECTRONICS, INC.Inventors: Ruei-Hong Hong, Wen-Yi Chiu, Wei-Jun Wang, Po-Chun Liu
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Patent number: 11298143Abstract: Surgical drill guides have modular configurations and are adapted to accommodate a wide range of anatomy. The surgical drill guides are adapted to be removed while leaving a guide wire in its intended location in human bone. The distal end of the drill guide acts as a safety stop for the guide wire by preventing the guide wire from penetrating too far past the far side of the bone.Type: GrantFiled: May 28, 2019Date of Patent: April 12, 2022Assignee: Smith & Nephew, Inc.Inventors: Stephen Santangelo, Anthony O'Leary, Matthew Dennis Cunningham, Scott Faucett, Jeffrey Wyman, Chun Liu, Roman Gutierrez