Patents by Inventor Dina Ma

Dina 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).

  • HcCYP81Q58 TRANSGENIC SACCHAROMYCES CEREVISIAE ENGINEERING BACTERIA OF HEMSLEYA CHINWNSIS CYTOCHROME OXIDASE AND APPLICATION THEREOF
    Publication number: 20260193620
    Abstract: The invention discloses a HcCYP81Q58 gene of Hemsleya chinensis cytochrome oxidase, a sequence of the gene is shown in SEQ NO:1. The invention constructs a genetically modified Saccharomyces cerevisiae engineering bacteria of Cuol-04-1, it is capable of producing a variety of cucurbitacin intermediates at a high level, including 11-Carbonyl-cucurbita-5,23-diene-3?, 20,25-triol, 11-Carbonyl-cucurbita-5,24-diene-3?, 20,23-triol, 11-Carbonyl-cucurbita-5,23-diene-20,25-diol-3?-one, and 11-Carbonyl-cucurbita-5,24-diene-20,23-diol-3?-one, it provides a source for the production of cucurbitacins.
    Type: Application
    Filed: January 8, 2025
    Publication date: July 9, 2026
    Applicants: Yunnan Agricultural University, Yunnan Yunke Characteristic Plant Extraction Laboratory Co., Ltd.
    Inventors: Guanghui ZHANG, Zhiyuan LI, Shengchao YANG, Bing HAO, Geng CHEN, Yanyu SHU, Xiaolin FENG, Dina MA, Simei HE, Yingchun LU
  • Metalens array and spatial positioning method based on metalens array
    Patent number: 11543564
    Abstract: The present disclosure provides a metalens array and a spatial positioning method based on the metalens array. The metalens array includes at least two metalenses, each of the metalenses comprises a plurality of prism cells, each of the prism cells comprises a silicon dioxide substrate and a titanium oxide prism placed on the silicon dioxide substrate, and the plurality of prism cells are arranged periodically.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: January 3, 2023
    Assignee: Nankai University
    Inventors: Shuqi Chen, Wenwei Liu, Dina Ma, Hua Cheng, Jianguo Tian
  • Metalens Array and Spatial Positioning Method Based on Metalens Array
    Publication number: 20220018995
    Abstract: The present disclosure provides a metalens array and a spatial positioning method based on the metalens array. The metalens array includes at least two metalenses, each of the metalenses comprises a plurality of prism cells, each of the prism cells comprises a silicon dioxide substrate and a titanium oxide prism placed on the silicon dioxide substrate, and the plurality of prism cells are arranged periodically.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 20, 2022
    Inventors: Shuqi Chen, Wenwei Liu, Dina Ma, Hua Cheng, Jianguo Tian