Patents by Inventor Chia-Yu Chang

Chia-Yu Chang 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: 9958453
    Abstract: A biological sensing device and a method for separating a biomolecule are provided. The biological sensing device includes an amino acid sequence and a signal-generating unit. The amino acid sequence includes SEQ ID NO: 1 or SEQ ID NO: 2, and is for binding with UlaG protein labeled on a biomolecule. The signal-generating unit connects to the amino acid sequence.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: May 1, 2018
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Yaw-Kuen Li, Chia-Yu Chang, Bor-Ran Li
  • Patent number: 9922908
    Abstract: A leadframe (100) comprises a frame (101) of sheet metal in a first planar level, where the frame has metallic leads (110) and a first metallic pad (120) extending inward from the frame, and the first pad is tied to the frame by first metallic straps (120a). The leadframe further has a second metallic pad (130) in a second planar level parallel to and spaced from the first level, where the second pad is tied by second metallic straps (132) to the frame. In addition, the leadframe has a third metallic pad (140) in a third planar level parallel to and spaced from the second level and additively from the first level, where the third pad is tied by third metallic straps (133) to the second pad.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: March 20, 2018
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Chia-Yu Chang, Chih-Chien Ho, Steven Su
  • Publication number: 20170330822
    Abstract: A leadframe includes a first die attach pad (“DAP”) having a first longitudinally extending edge surface and a second DAP having a first longitudinally extending edge surface. The second DAP is positioned with the first longitudinally extending edge surface thereof in adjacent, laterally and vertically spaced relationship with the first longitudinally extending edge surface of the first DAP.
    Type: Application
    Filed: May 10, 2016
    Publication date: November 16, 2017
    Inventors: Chia-Yu Chang, Chih-Chien Ho, Steven Su
  • Patent number: 9786582
    Abstract: A leadframe for encasing in a mold material includes a plurality of interconnected support members. A die pad is connected to the support members and includes a bottom surface. The die pad is configured to receive a die. A downset is connected to the die pad and positioned below the bottom surface. The downset includes at least one wall defining an interior volume for receiving a flow of the mold material to reduce the velocity of the mold material flow through the downset.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: October 10, 2017
    Assignee: Texas Instruments Incorporated
    Inventors: Chia-Yu Chang, Bob Lee, Steven Su
  • Publication number: 20170221799
    Abstract: A leadframe for encasing in a mold material includes a plurality of interconnected support members. A die pad is connected to the support members and includes a bottom surface. The die pad is configured to receive a die. A downset is connected to the die pad and positioned below the bottom surface. The downset includes at least one wall defining an interior volume for receiving a flow of the mold material to reduce the velocity of the mold material flow through the downset.
    Type: Application
    Filed: January 29, 2016
    Publication date: August 3, 2017
    Inventors: CHIA-YU CHANG, BOB LEE, STEVEN SU
  • Publication number: 20170209411
    Abstract: The present invention discloses use of butylidenephthalide (Bdph), a method of using the same, and a method for preparing a pharmaceutical composition containing the same. Because Bdph has the capability of promoting the hair growth and reducing the ?-amyloid protein (A?) level in nerve cells, the efficacy of improving the health and appearance of a subject can be achieved by administrating an effective amount of Bdph to the subject. Specifically, the Bdph has the efficacy of preventing or treating neurodegenerative diseases such as Alzheimer's disease caused by excessive build up of A? in the cells, and as an active ingredient in a topical composition, the Bdph is effective in promoting the hair growth at the site where the Bdph is administered.
    Type: Application
    Filed: July 28, 2014
    Publication date: July 27, 2017
    Applicant: National Chung Hsing University
    Inventors: Hong-Lin Su, Chia-Yu Chang, Shiaw-Min Hwang, Huai-En Lu, Horng-Jyh Harn, Shinn-Zong Lin, Ping-Shan Lai
  • Publication number: 20170179007
    Abstract: A leadframe (100) comprises a frame (101) of sheet metal in a first planar level, where the frame has metallic leads (110) and a first metallic pad (120) extending inward from the frame, and the first pad is tied to the frame by first metallic straps (120a). The leadframe further has a second metallic pad (130) in a second planar level parallel to and spaced from the first level, where the second pad is tied by second metallic straps (132) to the frame. In addition, the leadframe has a third metallic pad (140) in a third planar level parallel to and spaced from the second level and additively from the first level, where the third pad is tied by third metallic straps (133) to the second pad.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 22, 2017
    Inventors: Chia-Yu Chang, Chih-Chien Ho, Steven Su
  • Publication number: 20160341738
    Abstract: A biological sensing device and a method for separating a biomolecule are provided. The biological sensing device includes an amino acid sequence and a signal-generating unit. The amino acid sequence includes SEQ ID NO: 1 or SEQ ID NO: 2, and is for binding with UlaG protein labeled on a biomolecule. The signal-generating unit connects to the amino acid sequence.
    Type: Application
    Filed: August 5, 2016
    Publication date: November 24, 2016
    Inventors: Yaw-Kuen LI, Chia-Yu CHANG, Bor-Ran LI
  • Publication number: 20160266145
    Abstract: A biological sensing device and a method for separating a biomolecule are provided. The biological sensing device includes an amino acid sequence and a signal-generating unit. The amino acid sequence includes SEQ ID NO: 1 or SEQ ID NO: 2, and is for binding with UlaG protein labeled on a biomolecule. The signal-generating unit connects to the amino acid sequence.
    Type: Application
    Filed: June 16, 2015
    Publication date: September 15, 2016
    Inventors: Yaw-Kuen LI, Chia-Yu CHANG, Bor-Ran LI
  • Patent number: 9172413
    Abstract: A method for performing wireless communications and an associated apparatus are provided, where the method is applied to an electronic device. The method includes the steps of: receiving at least one data stream, wherein each data stream from the at least one data stream is transmitted from a wireless channel; in a first iteration, utilizing a Maximum Likelihood (ML) estimator to perform demapping processing on at least one portion of the at least one data stream to obtain Log-Likelihood Ratios (LLRs) of the first iteration and performing Turbo decoding according to the LLRs of the first iteration to generate resultant LLRs of the first Iteration; and in at least one following iteration, utilizing a Max A Posterior (MAP) estimator to perform demapping processing on at least one portion of the at least one data stream and performing Turbo decoding, successively, in order to cancel interference due to the wireless channel.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: October 27, 2015
    Assignee: MEDIATEK INC.
    Inventors: Wei-Jen Chen, Chia-Yu Chang, Po-Ying Chen
  • Publication number: 20140226764
    Abstract: A method for performing wireless communications and an associated apparatus are provided, where the method is applied to an electronic device. The method includes the steps of: receiving at least one data stream, wherein each data stream from the at least one data stream is transmitted from a wireless channel; in a first iteration, utilizing a Maximum Likelihood (ML) estimator to perform demapping processing on at least one portion of the at least one data stream to obtain Log-Likelihood Ratios (LLRs) of the first iteration and performing Turbo decoding according to the LLRs of the first iteration to generate resultant LLRs of the first Iteration; and in at least one following iteration, utilizing a Max A Posterior (MAP) estimator to perform demapping processing on at least one portion of the at least one data stream and performing Turbo decoding, successively, in order to cancel interference due to the wireless channel.
    Type: Application
    Filed: February 8, 2013
    Publication date: August 14, 2014
    Applicant: MEDIATEK INC.
    Inventors: Wei-Jen Chen, Chia-Yu Chang, Po-Ying Chen
  • Patent number: 8101399
    Abstract: The present invention provides artemisinic epoxide, and methods of synthesizing artemisinic epoxide in a genetically modified host cell. The present invention further provides methods for producing artemisinin. The present invention further provides variant enzymes that catalyze the oxidation of amorpha-4,11-diene to artemisinic epoxide; nucleic acids encoding the variant enzymes; as well as recombinant vectors and host cells comprising the nucleic acids.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: January 24, 2012
    Assignee: The Regents of the University of California
    Inventors: Jeffrey Allen Dietrich, Yasuo Yoshikuni, Jay D. Keasling, Michelle Chia-Yu Chang
  • Patent number: 8097438
    Abstract: The present invention provides nucleic acids comprising nucleotide sequences encoding modified cytochrome P450 enzymes; as well as recombinant vectors and host cells comprising the nucleic acids. The present invention further provides methods of producing a functionalized compound in a host cell genetically modified with a nucleic acid comprising nucleotide sequences encoding a modified cytochrome P450 enzyme.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: January 17, 2012
    Assignee: The Regents of the University of California
    Inventors: Michelle Chia-Yu Chang, Rachel A. Krupa, Dae-Kyun Ro, Yasuo Yoshikuni, Jay D. Keasling
  • Publication number: 20090098626
    Abstract: The present invention provides nucleic acids comprising nucleotide sequences encoding modified cytochrome P450 enzymes; as well as recombinant vectors and host cells comprising the nucleic acids. The present invention further provides methods of producing a functionalized compound in a host cell genetically modified with a nucleic acid comprising nucleotide sequences encoding a modified cytochrome P450 enzyme.
    Type: Application
    Filed: October 5, 2006
    Publication date: April 16, 2009
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Michelle Chia-Yu Chang, Rachel A. Krupa, Dae-Kyun Ro, Yasuo Yoshikuni, Jay D. Keasling
  • Publication number: 20080233623
    Abstract: The present invention provides genetically modified host cells that exhibit modified activity levels of one or more gene products such that, when a cytochrome P450 enzyme is produced in the genetically modified host cell, the modified activity levels of the one or more gene products provide for enhanced production and/or activity of the cytochrome P450 enzyme. The present invention provides methods of producing a cytochrome P450 enzyme in a host cell, generally involving culturing a subject genetically modified host cell in a suitable culture medium. The present invention further provides methods of producing a product of a P450-dependent oxidation, generally involving culturing a subject genetically modified host cell in a suitable culture medium.
    Type: Application
    Filed: January 29, 2008
    Publication date: September 25, 2008
    Inventors: Michelle Chia-Yu Chang, Rachel A. Krupa, Jeffrey Lance Kizer, John R. Haliburton, Mario Ouellet, Jeffrey Alan Dietrich, Jay D. Keasling
  • Publication number: 20080187983
    Abstract: The present invention provides artemisinic epoxide, and methods of synthesizing artemisinic epoxide in a genetically modified host cell. The present invention further provides methods for producing artemisinin. The present invention further provides variant enzymes that catalyze the oxidation of amorpha-4,11-diene to artemisinic epoxide; nucleic acids encoding the variant enzymes; as well as recombinant vectors and host cells comprising the nucleic acids.
    Type: Application
    Filed: December 12, 2007
    Publication date: August 7, 2008
    Inventors: Jeffrey Allen DIETRICH, Yasuo Yoshikuni, Jay D. Keasling, Michelle Chia-Yu Chang
  • Publication number: 20060289885
    Abstract: A light-emitting diode (LED) is described. The light-emitting diode has a light-emitting diode chip and a package structure covering the light-emitting diode chip. A surface of the package structure has a pattern structure, in which the pattern structure includes a plurality of stria structures for controlling a light shape output by the light-emitting diode.
    Type: Application
    Filed: September 1, 2005
    Publication date: December 28, 2006
    Inventors: Shi-Ming Chen, Chia-Yu Chang
  • Publication number: 20060030620
    Abstract: Magnesium ascorbate, a previous Romanian cardio protective drug, is provided to alleviate ischemia/reperfusion injury. In particular, the present invention relates to a pharmaceutical composition of magnesium ascorbate for treating and/or preventing liver ischemia/reperfusion injure in mammals.
    Type: Application
    Filed: August 4, 2004
    Publication date: February 9, 2006
    Inventors: Chia-Yu Chang, Shui-To Wang, Sheng-Yuan Huang, Jeng-Chai Huang
  • Publication number: 20040115336
    Abstract: A method of fabricating a grating-based optical biosensor. The probes of the grating-based optical biosensor are applied in a probe solution as probes. The probe solution is provided on a substrate, and the substrate is exposed to a light pattern having a light area and a dark area, so that the probes of the probe solution are gathered in the light area of the light pattern. Finally, the probes are fixed on the substrate to form the biosensor.
    Type: Application
    Filed: December 12, 2002
    Publication date: June 17, 2004
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Kang-Ping Lin, Yuh-Ping Tong, Chia-Yu Chang
  • Patent number: D464751
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: October 22, 2002
    Assignee: TYC Brother Industrial Co., Ltd.
    Inventors: Chia-Yu Chang, Ming-Te Pan