Patents by Inventor Chi Ma

Chi Ma 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).

  • Publication number: 20190305761
    Abstract: A circuit includes a slave latch including a first input and an output, the first input being coupled to a master latch, and a retention latch including a second input coupled to the output. The master latch and the slave latch are configured to operate in a first power domain having a first power supply voltage level, the retention latch is configured to operate in a second power domain having a second power supply voltage level different from the first power supply voltage level, and the circuit further includes a level shifter configured to shift a signal level from one of the first power supply voltage level or the second power supply voltage level to the other of the first power supply voltage level or the second power supply voltage level.
    Type: Application
    Filed: March 6, 2019
    Publication date: October 3, 2019
    Inventors: Kai-Chi HUANG, Jerry Chang Jui KAO, Chi-Lin LIU, Lee-Chung LU, Shang-Chih HSIEH, Wei-Hsiang MA, Yung-Chen CHIEN
  • Patent number: 10428012
    Abstract: The present invention relates to a preparation method of 4-isopropylamino-1-butanol, in which using cheap and readily available tetrahydrofuran and acetic acid solution of hydrogen bromide as starting materials to prepare a novel intermediate of 4-isopropylamino-1-acetoxyl butane and further obtain the target product. The present invention has advantages of convenient process operations, mild reaction conditions, economical and environment-friendly benefits, and suitability for industrial production to obtain the product with high purity and high yield.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: October 1, 2019
    Assignee: SEASONS BIOTECHNOLOGY CO., LTD.
    Inventors: Fanghui Tang, Chi Ma, Qiang Jia
  • Patent number: 10412573
    Abstract: Embodiments of this application provide a near-field wireless communication service processing method performed at a first computing device. While running a social networking application, the first computing device listens to a near-field wireless communication signal broadcasted by a second computing device. After detecting the near-field wireless communication signal broadcasted by the second computing device, first computing device processes the near-field wireless communication signal to obtain identification information associated with the second computing device. The first computing device sends the identification information associated with the second computing device to a remote server supporting the social networking application and obtains a preset service page corresponding to the identification information associated with the second computing device from the server, and displays the preset service page within the social networking application on the first computing device.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: September 10, 2019
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Kai Ma, Maohua Chen, Mo Zhao, Zhenxi Qiu, Xiaoming Wu, Nan Cheng, Xiaohui Zheng, Junxiong Chen, Jinheng Xie, Zhe Cheng, Le Yu, Shuhui Mei, Chi Zhang, Huiqin Yang, Yao Qin, Shunfu Ye, Tao Zhang, Wenrong Tang, Yangbin Huang, Ming He, Chaoxiong Diao, Pengbo Zhang, Guanqiao Su, Hongmin Zheng, Xiaojuan Zhang, Zhejin Huang, Xiaoyang Qian, Zhongming Guo, Xiaoyi Fang, Yang Zuo, Yan Dai
  • Publication number: 20190266978
    Abstract: Circuits for programming a circuit with decreased programming time are provided. Such circuits include a storage device such as a capacitor for storing a display information and for ensuring a driving device such as a driving transistor drives a light emitting device according to the display information. The present disclosure provides driving schemes for decreasing flickering perceived while displaying video content by introducing idle phases in between in emission phases to increase the effective refresh rate of a display. Driving schemes are also disclosed for reducing the effects of cross-talk by ensuring that programming information is refreshed in a display array that utilizes a driver connected to multiple data lines via a multiplexer.
    Type: Application
    Filed: March 27, 2019
    Publication date: August 29, 2019
    Inventors: Gholamreza Chaji, Jackson Chi Sun Lai, Yaser Azizi, Maran Ran Ma
  • Patent number: 10388788
    Abstract: A method for forming a semiconductor device is disclosed. A p-type field-effect transistor (p-FET) is formed on a semiconductor substrate. A dielectric layer is formed on the semiconductor substrate and completely covers the p-FET. At least an opening is formed in the dielectric layer and exposes a source/drain region of the p-FET. A conductive material is then formed filling the opening, wherein the conductive material comprises a first stress; specifically, a tensile stress between 400 and 800 MPa.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: August 20, 2019
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Shao-Ping Chen, Huan-Chi Ma, Chien-Wen Yu, Kuo-Chin Hung
  • Publication number: 20190233388
    Abstract: An electrolyte, electrochemical device, battery, capacitor, and/or the like include a salt; and a fluorinated organosulfate compound represented by Formula I: wherein, R1 is H, OR3, alkyl, alkenyl, alkynyl, aralkyl, or silyl; R2 is H, OR3, alkyl, alkenyl, alkynyl, aralkyl, or silyl; and R3 is H, alkyl, alkenyl, alkynyl, aryl, heterocyclyl, heteroaryl, or siloxy; or where R1 and R2 join together to form a cyclic compound incorporating the —O—S(O)2—O— group; wherein at least one R1 and R2 is fluorinated.
    Type: Application
    Filed: January 31, 2018
    Publication date: August 1, 2019
    Inventors: Khalil Amine, Chi Cheung Su, Meinan He, Tianyuan Ma
  • Publication number: 20190214465
    Abstract: 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: Application
    Filed: February 11, 2018
    Publication date: July 11, 2019
    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
  • Patent number: 10338961
    Abstract: A method includes receiving, by a data processing apparatus, a plurality of file operation requests, each file operation request including a priority, a deadline, and an operation type and representing a request to perform an operation on at least one file maintained in a distributed file system; identifying, by the data processing apparatus, a group of file operation requests to be executed together from the plurality of file operation requests, the identification based at least in part on at least one of: the file operations in the group of file operations being directed to a same storage system, or file operations in the group of file operations sharing a common operation type; and sending a request to execute the group of file operation requests to a system configured to perform the group of file operation requests.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: July 2, 2019
    Assignee: Google LLC
    Inventors: Chi Ma, Kenneth J. Goldman, Yonggang Zhao, Stephen P. G. Gildea
  • Publication number: 20190197125
    Abstract: A machine may be configured to generate an enhanced user interface for displaying social analytics based on viral mentions and threading. For example, the machine accesses a plurality of items of digital content. The machine extracts, for each of the plurality of items of digital content, a title that describes a particular item of digital content. The machine generates a group of items of digital content based on the extracted titles associated with the plurality of items of digital content. The machine identifies, from the group of items of digital content, an original item of digital content and one or more subsequent items of digital content. The machine determines a strength value associated with the original item of digital content. The machine generates and causes a display of an enhanced user interface that displays the title and the strength value associated with the original item of digital content.
    Type: Application
    Filed: December 21, 2017
    Publication date: June 27, 2019
    Inventors: Weiqin Ma, Weidong Zhang, Yongzheng Zhang, Chi-Yi Kuan
  • Patent number: 10307475
    Abstract: Immunogenic compositions comprising partially glycosylated viral glycoproteins for use as vaccines against viruses are provided. Vaccines formulated using mono-, di-, or tri-glycosylated viral surface glycoproteins and polypeptides provide potent and broad protection against viruses, even across strains. Pharmaceutical compositions comprising monoglycosylated hemagglutinin polypeptides and vaccines generated therefrom and methods of their use for prophylaxis or treatment of viral infections are disclosed. Methods and compositions are disclosed for influenza virus HA, NA and M2, RSV proteins F, G and SH, Dengue virus glycoproteins M or E, hepatitis C virus glycoprotein E1 or E2 and HIV glycoproteins gp120 and gp41.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: June 4, 2019
    Assignee: Academia Sinica
    Inventors: Chi-Huey Wong, Che Ma, Cheng-Chi Wang, Juine-Ruey Chen
  • Patent number: 10290728
    Abstract: A semiconductor device and a manufacturing method thereof are provided. The semiconductor device includes a substrate, a first doped region, a second doped region, a first dielectric layer, a third doped region, a fourth doped region, a second dielectric layer and a conductive layer. The substrate has a first trench in a first area and a second trench in a second area. The first and second doped regions are disposed in the substrate respectively at two side of the first trench. The first dielectric layer is disposed on the sidewall of the first trench. The third doped region is disposed around the second trench. The fourth doped region is disposed in the third doped region at one side of the second trench. The second dielectric layer is disposed on the sidewall and bottom of the second trench. The conductive layer is disposed in the first and second trenches.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: May 14, 2019
    Assignee: United Microelectronics Corp.
    Inventors: Chu-Ming Ma, Chun-Yi Lin, Hung-Chi Huang, Hsien-Ta Chung
  • Patent number: 10290284
    Abstract: Circuits for programming a circuit with decreased programming time are provided. Such circuits include a storage device such as a capacitor for storing display information and for ensuring a driving device such as a driving transistor drives a light emitting device according to the display information. The present disclosure provides driving schemes for decreasing flickering perceived while displaying video content by introducing idle phases in between in emission phases to increase the effective refresh rate of a display. Driving schemes are also disclosed for reducing the effects of cross-talk by ensuring that programming information is refreshed in a display array that utilizes a driver connected to multiple data lines via a multiplexer.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 14, 2019
    Assignee: Ignis Innovation Inc.
    Inventors: Gholamreza Chaji, Jackson Chi Sun Lai, Yaser Azizi, Maran Ran Ma
  • Publication number: 20190140341
    Abstract: A mobile device includes a carrying element, a first antenna, a second antenna, a connection element, and an extension element. The first antenna and the second antenna are disposed on the carrying element. The first antenna operates in a first frequency band through a first resonance path. The second antenna operates in the first frequency band through a second resonance path. The connection element is electrically connected to the first antenna and the second antenna. The connection element, the first antenna and the second antenna form a connection path, and the connection path, the first resonance path and the second resonance path do not overlap one another. The extension element is electrically connected to the connection element. The extension element, the connection element and the first antenna form a third resonance path, and the first antenna operates in a second frequency band through the third resonance path.
    Type: Application
    Filed: May 23, 2018
    Publication date: May 9, 2019
    Applicant: Acer Incorporated
    Inventors: Pei-Chi Ma, Hsien-Chang Lin, Hsin-Wu Chiang, Wan-Chu Wei
  • Publication number: 20190100486
    Abstract: The present invention provides a method for preparing aniline compounds, and also provides a kind of catalyst and use thereof. This method for synthesizing an aniline compound in the invention includes following steps: use molybdenum oxide and activated carbon as catalyst, hydrazine hydrate as reducing agent, then reduce aromatic nitro compounds to aniline compounds. This method is green and high efficiency, and easy to be applied in industry.
    Type: Application
    Filed: September 26, 2018
    Publication date: April 4, 2019
    Applicant: Seasons Biotechnology (Taizhou) Co., Ltd.
    Inventors: Qiang JIA, Chi MA, Tianhua MA, Zhengwei YANG
  • Publication number: 20190084921
    Abstract: The present invention relates to a preparation method of 4-isopropylamino-1-butanol, in which using cheap and readily available tetrahydrofuran and acetic acid solution of hydrogen bromide as starting materials to prepare a novel intermediate of 4-isopropylamino-1-acetoxyl butane and further obtain the target product. The present invention has advantages of convenient process operations, mild reaction conditions, economical and environment-friendly benefits, and suitability for industrial production to obtain the product with high purity and high yield.
    Type: Application
    Filed: September 28, 2018
    Publication date: March 21, 2019
    Inventors: Fanghui Tang, Chi Ma, Qiang Jia
  • Publication number: 20190074590
    Abstract: A mobile electronic device includes a ground plane, a first slot, a plurality of first inductive elements, a first antenna, a second antenna, a first signal source, and a second signal source. The first slot is disposed in the ground plane to form a first ground portion and a second ground portion separated from each other. The first inductive elements are respectively connected to the first ground portion and the second ground portion. The first antenna and the second antenna respectively receive a radio-frequency signal in a predetermined band. The first signal source is electrically connected between the first antenna and the first ground portion and receives the radio-frequency signal from the first antenna. The second signal source is electrically connected between the second antenna and the second ground portion and receives the radio-frequency signal from the second antenna.
    Type: Application
    Filed: April 3, 2018
    Publication date: March 7, 2019
    Applicant: Acer Incorporated
    Inventors: Wan-Chu Wei, Hsieh-Chih Lin, Hsin-Wu Chiang, Pei-Chi Ma, Yu-Chia Chang, Pang-Chun Tsai, Chung-hao Huang
  • Patent number: 10144701
    Abstract: The present invention relates to a preparation method of 4-isopropylamino-1-butanol, in which using cheap and readily available tetrahydrofuran and acetic acid solution of hydrogen bromide as starting materials to prepare a novel intermediate of 4-isopropylamino-1-acetoxyl butane and further obtain the target product. The present invention has advantages of convenient process operations, mild reaction conditions, economical and environment-friendly benefits, and suitability for industrial production to obtain the product with high purity and high yield.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: December 4, 2018
    Assignee: Seasons Biotechnology (Taizhou) Co., Ltd.
    Inventors: Fanghui Tang, Chi Ma, Qiang Jia
  • Publication number: 20180342618
    Abstract: A method for forming a semiconductor device is disclosed. A p-type field-effect transistor (p-FET) is formed on a semiconductor substrate. A dielectric layer is formed on the semiconductor substrate and completely covers the p-FET. At least an opening is formed in the dielectric layer and exposes a source/drain region of the p-FET.
    Type: Application
    Filed: June 28, 2017
    Publication date: November 29, 2018
    Inventors: Shao-Ping Chen, Huan-Chi Ma, Chien-Wen Yu, Kuo-Chin Hung
  • Patent number: 10074931
    Abstract: The waterproof connector includes a cover and a waterproof connector component cooperated with the cover. The waterproof connector component comprises a body, a gasket and a fastening piece, an outer surface of the body has a first groove and a second groove, the gasket is positioned on the first groove, the fastening piece is positioned on the second groove.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: September 11, 2018
    Assignee: MiiCs & Partners (Shenzhen) Co., Ltd.
    Inventors: Ying-Chi Ma, Li-He Dai
  • Patent number: 10040771
    Abstract: The present invention relates to preparation methods of a prostacyclin receptor agonist of 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide and its intermediates. These methods are simple and convenient to operate, environment-friendly and suitable for industrial production to obtain the product with good yield and high purity.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: August 7, 2018
    Assignee: SEASONS BIOTECHNOLOGY (TAIZHOU) CO., LTD.
    Inventors: Fanghui Tang, Chi Ma, Qiang Jia