Patents by Inventor Yen-Fei Chen

Yen-Fei Chen 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: 11835265
    Abstract: An apparatus combining a solar tracker and a dual heat source collector includes a heat engine assembly and the solar tracker. The heat engine assembly includes a heat collector, a heat collecting lens, and a heat engine. The heat collector includes a solar heat collecting room and a heat source room. The heat collecting lens is arranged on the heat collector and corresponds to the solar heat collecting room. The heat engine is located in the solar heat collecting room. The solar tracker includes a primary mirror, a secondary mirror, a pivot member, and a driving member. The primary mirror has a first reflective surface and a back surface. The primary mirror has a mounting hole passing through the primary mirror. The secondary mirror is mounted above the primary mirror.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: December 5, 2023
    Assignee: National Cheng Kung University
    Inventors: Ching-Hsiang Cheng, Tsung-Chieh Cheng, Yen-Fei Chen, Yu-Ting Lin, Shang-Ting Huang
  • Publication number: 20220170669
    Abstract: An apparatus combining a solar tracker and a dual heat source collector includes a heat engine assembly and the solar tracker. The heat engine assembly includes a heat collector, a heat collecting lens, and a heat engine. The heat collector includes a solar heat collecting room and a heat source room. The heat collecting lens is arranged on the heat collector and corresponds to the solar heat collecting room. The heat engine is located in the solar heat collecting room. The solar tracker includes a primary mirror, a secondary mirror, a pivot member, and a driving member. The primary mirror has a first reflective surface and a back surface. The primary mirror has a mounting hole passing through the primary mirror. The secondary mirror is mounted above the primary mirror.
    Type: Application
    Filed: November 30, 2020
    Publication date: June 2, 2022
    Inventors: CHING-HSIANG CHENG, TSUNG-CHIEH CHENG, YEN-FEI CHEN, YU-TING LIN, SHANG-TING HUANG
  • Publication number: 20200197315
    Abstract: The present disclosure provides dosage forms designed to deliver active pharmaceutical ingredients (APIs) in a controlled release manner. For instance, the present disclosure includes dosage forms with adequate time of onset of action and reduced lag times in the fed state. Such dosage forms find use in a variety of conditions where a rapid onset of action is desired followed by an extended release phase for the active agent, for example in the treatment of ADHD, pain or anxiety. In some cases, the dosage form includes a drug composition including a pharmacologically active agent, a barrier layer covering at least a portion of the drug composition, and a drug layer covering at least a portion of the barrier layer, wherein the drug layer includes the pharmacologically active agent. Related methods of making and administering the disclosed dosage forms are also provided.
    Type: Application
    Filed: July 5, 2017
    Publication date: June 25, 2020
    Inventors: Su Il Yum, Wendy Chao, Huey-Ching Su, Yen-Fei Chen, Chin-Chih Chiang
  • Publication number: 20160228332
    Abstract: The present invention provides multi-layer capsules and manufacture methods thereof. Different materials are added in sequence into a capsule to form a multi-layer capsule without diffusion and/or interaction between layers.
    Type: Application
    Filed: April 14, 2016
    Publication date: August 11, 2016
    Inventors: Ikuo GOTO, Chin-Chih CHIANG, Yen-Fei CHEN
  • Publication number: 20150174009
    Abstract: The present invention provides multi-layer capsules and manufacture methods thereof Different materials are added in sequence into a capsule to form a multi-layer capsule without diffusion and/or interaction between layers.
    Type: Application
    Filed: June 15, 2011
    Publication date: June 25, 2015
    Applicant: Orient Pharma Co., Ltd.
    Inventors: Ikuo Goto, Chin-Chih Chiang, Yen-Fei Chen