Patents by Inventor Li Yuan

Li Yuan 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).

  • Antenna structure and multi-beam antenna array using the same
    Patent number: 8847836
    Abstract: An antenna structure comprises a substrate, a first antenna unit and a second antenna unit. The substrate comprises a first surface and a second surface opposing the first surface. The first antenna unit is disposed on the first surface, and comprises at least a first slot with a wider inside and narrower outside at the edge of the first antenna unit. The second antenna unit is disposed on the second surface, and is connected to the first antenna unit through a hole in the substrate. The radius of the at least one first slot is one-fourth the wavelength of the central frequency of the antenna structure.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: September 30, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Ya Chung Yu, Chin Chung Nien, Jenn Hwan Tarng, Jun Yen Huang, Chen Ming Li, Li Yuan Chang
  • LEADER DEVICES USABLE WITH ROLL MEDIA AND IMAGE FORMING SYSTEM HAVING OUTPUT MEMBER
    Publication number: 20140284416
    Abstract: Leader devices usable with roll media arid an image forming system having an output member are disclosed. A leader device may include a leader member having a first end and a second end. The first end may attach to the output member of the image forming system. The leader device may also include an attachment means disposed on the second end of the image forming system for removably attaching the leader member to a leading edge of the roll media.
    Type: Application
    Filed: October 24, 2011
    Publication date: September 25, 2014
    Inventors: Ling-Li Yuan, Jing Hu, Yi-Wei Deng, Angel Martinez Barambio
  • Intellectual material object management method and system
    Patent number: 8814044
    Abstract: An intellectual material object management method includes: an RF scanning device scans a carrier tag of a replenishment carrier and a shelf tag of at least one present supplying shelf among stock shelves of a warehouse to assist for putting the replenishment carrier on a target shelf for the replenishment carrier. An MO picking list for obtaining information of at least one selected MO is received. The RF scanning device scans an MO tag of a present picking MO on a present picking shelf among the stock shelves and a list tag of the MO picking list to assist for obtaining the selected MO from the stock shelves of the warehouse. A remaining amount of remaining MOs is counted. An amount tag for the remaining MOs is printed according to the remaining amount of the remaining MOs for sticking on a remaining MO carrier for loading the remaining MOs.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: August 26, 2014
    Assignee: Wistron Corp.
    Inventors: Li Yuan, Tai-Hsin Chou, Qiong-Yu Niu, Tian-Heng Zhao
  • Normally-off III-nitride metal-2DEG tunnel junction field-effect transistors
    Patent number: 8809987
    Abstract: Structures, devices and methods are provided for creating heterojunction AlGaN/GaN metal two-dimensional electron gas (2DEG) tunnel-junction field-effect transistors (TJ-FET). In one aspect, metal-2DEG Schottky tunnel junctions can be employed in group III-Nitride field-effect devices that enable normally-off operation, large breakdown voltage, low leakage current, and high on/off current ratio. As a further advantage, AlGaN/GaN metal-2DEG TJ-FETs are disclosed that can be fabricated in a lateral configuration and/or a vertical configuration. Further non-limiting embodiments are provided that illustrate the advantages and flexibility of the disclosed structures.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: August 19, 2014
    Assignee: The Hong Kong University of Science and Technology
    Inventors: Jing Chen, Li Yuan, Hongwei Chen, Chunhua Zhou
  • Mechanical packaging technique of attaching MEMS and flex circuit
    Patent number: 8806925
    Abstract: The present invention disclosed provides for a rugged, compact sensing device for various implementations including those of automotive, marine, and other combustion technologies that require low cost accurate pressure sensing during internal combustion engine process. In one or more aspects of the present invention, a MEMS sensor connection with a flexible circuit is presented and the communication of which is preferably achieved through the use of wire bond technology.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: August 19, 2014
    Assignee: S3C, Inc.
    Inventors: Ihioma U. Nzeadibe, Javed Hussain, Joseph Castagna, Li Yuan, Roger Horton
  • Calibration devices and calibration methods
    Patent number: 8810447
    Abstract: A calibration device, capable of calibrating a gain of a radiometer, includes an actuator and a micro-electromechanical-system (MEMS) unit. The actuator receives a calibration signal outputted from a control unit. The MEMS unit is coupled to the actuator, in which the actuator enables the MEMS unit to shield an antenna of the radiometer according to the calibration signal, such that the radiometer generates an environmental signal according to an equivalent radiant temperature received from the MEMS unit, and the control unit calibrates the gain of the radiometer according to the environmental signal.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: August 19, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Chun-Yen Huang, Chin-Chung Nien, Li-Yuan Chang, Chen-Ming Li, Ya-Chung Yu
  • Teaching material generation methods and systems
    Patent number: 8758017
    Abstract: Teaching material generation methods and systems to generate teaching material for language learning are provided. The system comprises a plurality of social circumstances, a plurality of contextual situations, a user interface and a processing module. The user interface receives a selection corresponding to at least one of the social circumstances, and a selection corresponding to at least one of the contextual situations. The processing module generates teaching material according to the selected social circumstance and the selected contextual situation.
    Type: Grant
    Filed: May 22, 2008
    Date of Patent: June 24, 2014
    Assignee: National Taiwan University
    Inventors: Jing-Jing Chai, Li-Yuan Chen, Meei-Yuan Fann
  • Image systems and scan methods
    Patent number: 8736919
    Abstract: An imaging system is provided, including a detection unit and a scan unit. The detection unit senses radiation of a target area. The scan unit directs the radiation to the detection unit, in which the scanning unit scans the target area N times at a constant speed within a scan period, such that each of the pixels of the target area is scanned N times by the scan unit, thereby the detection unit generates N sub-detection values for each of the pixels and adds the N sub-detection values up to generate a detection value for each of the pixels.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: May 27, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Li-Yuan Chang, Chin-Chung Nien, Lien-Yi Cho, Chun-Yen Huang, Ya-Chung Yu, Chen-Ming Li
  • Socket with a Reinforced Strength
    Publication number: 20140123818
    Abstract: A socket includes a body and a reinforcing sleeve. The body includes first and second coupling ends for respectively coupling with a fastener and a driving tool. The first coupling end includes a conical section having a small diameter end and a large diameter end. A spacing between the small diameter end and the second coupling end along the longitudinal axis is smaller than a spacing between the large diameter end and the second coupling end along the longitudinal axis. The conical section has increasing diameters perpendicular to the longitudinal axis away from the second coupling end. The reinforcing sleeve is mounted around the conical section of the body to reinforce the socket.
    Type: Application
    Filed: January 9, 2013
    Publication date: May 8, 2014
    Inventor: Li-Yuan Sumg
  • Stacked wafer level package and method of manufacturing the same
    Patent number: 8704350
    Abstract: The present invention relates to a stacked wafer level package and a method of manufacturing the same. The stacked wafer level package in accordance with the present invention can improve a misalignment problem generated in a stacking process by performing a semiconductor chip mounting process, a rearrangement wiring layer forming process, the stacking process and so on after previously bonding internal connection means for interconnection between stacked electronic components to a conductive layer for forming a rearrangement wiring layer, thereby improving reliability and yield and reducing manufacturing cost.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: April 22, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seung Wook Park, Young Do Kweon, Jin Gu Kim, Ju Pyo Hong, Hee Kon Lee, Hyung Jin Jeon, Jing Li Yuan, Jong Yun Lee
  • Socket with a Reinforced Strength
    Publication number: 20130319186
    Abstract: A socket includes a body and a sleeve. The body is made of metal and includes first and second coupling ends for respectively coupling with a fastener and a driving tool. The first coupling end includes an outer periphery having a first protruded section, a second protruded section, and an engagement section extending between the first and second protruded sections. The sleeve is made of metal having a hardness greater than a hardness of the body. The sleeve includes an inner periphery extending between first and second end faces of the sleeve. The inner periphery of the sleeve includes an engagement portion engaged with the engagement section of the body, with the sleeve not contacting with the first and second protruded sections.
    Type: Application
    Filed: December 28, 2012
    Publication date: December 5, 2013
    Inventor: Li-Yuan Sumg
  • Zero bias power detector
    Patent number: 8598866
    Abstract: A zero bias power detector comprising a zero bias diode and an output boost circuit is provided. The output boost circuit comprises a zero bias transistor. The zero bias diode is not biased but outputs a rectifying signal according to a wireless signal. The zero bias transistor, not biased but coupled to the zero bias diode, is used for enhancing the rectifying signal.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: December 3, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Chun-Yen Huang, Chin-Chung Nien, Jenn-Hwan Tarng, Chen-Ming Li, Li-Yuan Chang, Ya-Chung Yu
  • Package Structure and Substrate Bonding Method
    Publication number: 20130285248
    Abstract: A substrate bonding method comprises the following steps. Firstly, a first substrate and a second substrate are provided, wherein a surface of the first substrate is covered by a first Ag layer and a surface of the second substrate is covered by a second Ag layer and a metallic layer from bottom to top, wherein the metallic layer comprises a first Sn layer. Secondly, a bonding process is performed by aligning the first and second substrates followed by bringing the metallic layer into contact with the first Ag layer followed by applying a load while heating to a predetermined temperature in order to form Ag3Sn intermetallic compounds. Finally, cool down and remove the load to complete the bonding process.
    Type: Application
    Filed: March 15, 2013
    Publication date: October 31, 2013
    Applicant: Asia Pacific Microsystems, Inc.
    Inventors: Hung-Lin Yin, Jerwei Hsieh, Li-Yuan Lin
  • DEHYDROGENATION OF ALKANOLS TO INCREASE YIELD OF AROMATICS
    Publication number: 20130261361
    Abstract: The present invention provides methods, reactor systems, and catalysts for increasing the yield of aromatic hydrocarbons produced while converting alkanols to hydrocarbons. The invention includes methods of using catalysts to increase the yield of benzene, toluene, and mixed xylenes in the hydrocarbon product.
    Type: Application
    Filed: May 22, 2013
    Publication date: October 3, 2013
    Inventors: Paul G. Blommel, Li Yuan, Matt Van Straten, Warren Lyman, Randy D. Cortright
  • INTELLECTUAL MATERIAL OBJECT MANAGEMENT METHOD AND SYSTEM
    Publication number: 20130248597
    Abstract: An intellectual material object management method includes: an RF scanning device scans a carrier tag of a replenishment carrier and a shelf tag of at least one present supplying shelf among stock shelves of a warehouse to assist for putting the replenishment carrier on a target shelf for the replenishment carrier. An MO picking list for obtaining information of at least one selected MO is received. The RF scanning device scans an MO tag of a present picking MO on a present picking shelf among the stock shelves and a list tag of the MO picking list to assist for obtaining the selected MO from the stock shelves of the warehouse. A remaining amount of remaining MOs is counted. An amount tag for the remaining MOs is printed according to the remaining amount of the remaining MOs for sticking on a remaining MO carrier for loading the remaining MOs.
    Type: Application
    Filed: August 1, 2012
    Publication date: September 26, 2013
    Applicant: WISTRON CORP.
    Inventors: Li YUAN, Tai-Hsin CHOU, Qiong-Yu NIU, Tian-Heng ZHAO
  • 1-[(4-hydroxypiperidin-4-yl)methyl]pyridin-2(1H)-one derivatives, preparation methods and uses thereof
    Publication number: 20130231369
    Abstract: Provided are N-[(4-hydroxypiperidin-4-yl)methyl]pyridin-2(1H)-one derivatives represented by formula I, stereoisomers, pharmaceutically acceptable salts or solvates thereof. The above compounds have the dual activities of 5-hydroxytryptamine 1A receptor ligand and selective serotonin reuptake inhibitor. The preparation methods of the above compounds, the uses of these compounds for the prevention or treatment of nervous system diseases related to 5-hydroxytryptamine system dysfunction and the pharmaceutical compositions containing these compounds are also provided.
    Type: Application
    Filed: April 8, 2011
    Publication date: September 5, 2013
    Applicant: Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China
    Inventors: Yunfeng Li, Rifang Yang, Youzhi Zhang, Yongzhen Li, Zengliang Jin, Peng Li, Li Yuan, Liuhong Yun, Nan Zhao, Cheng Zhang, Xiaodan Xu, Rusheng Zhao, Hongxia Chen, Rui Xue, Juanjuan Qin, Zhenzhen Wang, Jiazhi Yao
  • CALIBRATION DEVICES AND CALIBRATION METHODS
    Publication number: 20130135139
    Abstract: A calibration device, capable of calibrating a gain of a radiometer, includes an actuator and a micro-electromechanical-system (MEMS) unit. The actuator receives a calibration signal outputted from a control unit. The MEMS unit is coupled to the actuator, in which the actuator enables the MEMS unit to shield an antenna of the radiometer according to the calibration signal, such that the radiometer generates an environmental signal according to an equivalent radiant temperature received from the MEMS unit, and the control unit calibrates the gain of the radiometer according to the environmental signal.
    Type: Application
    Filed: June 19, 2012
    Publication date: May 30, 2013
    Inventors: Chun-Yen HUANG, Chin-Chung Nien, Li-Yuan Chang, Chen-Ming Li, Ya-Chung Yu
  • DEHYDROGENATION OF ALKANOLS TO INCREASE YIELD OF AROMATICS
    Publication number: 20130131411
    Abstract: The present invention provides methods, reactor systems, and catalysts for increasing the yield of aromatic hydrocarbons produced while converting alkanols to hydrocarbons. The invention includes methods of using catalysts to increase the yield of benzene, toluene, and mixed xylenes in the hydrocarbon product.
    Type: Application
    Filed: November 23, 2011
    Publication date: May 23, 2013
    Applicant: Virent Energy Systems, Inc.
    Inventors: Paul G. Blommel, Li Yuan, Matt Van Straten, Warren Lyman, Randy D. Cortright
  • MECHANICAL PACKAGING TECHNIQUE OF ATTACHING MEMS AND FLEX CIRCUIT
    Publication number: 20130125634
    Abstract: The present invention disclosed provides for a rugged, compact sensing device for various implementations including those of automotive, marine, and other combustion technologies that require low cost accurate pressure sensing during internal combustion engine process. In one or more aspects of the present invention, a MEMS sensor connection with a flexible circuit is presented and the communication of which is preferably achieved through the use of wire bond technology.
    Type: Application
    Filed: March 26, 2012
    Publication date: May 23, 2013
    Applicant: S3C, Inc.
    Inventors: Ihioma U. NZEADIBE, Javed HUSSAIN, Joe CASTAGNA, Li YUAN, Roger HORTON
  • IMAGE SYSTEMS AND SCAN METHODS
    Publication number: 20130120805
    Abstract: An imaging system is provided, including a detection unit and a scan unit. The detection unit senses radiation of a target area. The scan unit directs the radiation to the detection unit, in which the scanning unit scans the target area N times at a constant speed within a scan period, such that each of the pixels of the target area is scanned N times by the scan unit, thereby the detection unit generates N sub-detection values for each of the pixels and adds the N sub-detection values up to generate a detection value for each of the pixels.
    Type: Application
    Filed: June 7, 2012
    Publication date: May 16, 2013
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Li-Yuan Chang, Chin-Chung Nien, Lien-Yi Cho, Chun-Yen Huang, Ya-Chung Yu, Chen-Ming Li