Patents by Inventor Yi-En Chen

Yi-En 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).

  • Semiconductor structure
    Patent number: 11955397
    Abstract: A semiconductor structure is provided. The semiconductor structure includes a substrate, a channel layer, a barrier layer, a compound semiconductor layer, a gate electrode, and a stack of dielectric layers. The channel layer is disposed on the substrate. The barrier layer is disposed on the channel layer. The compound semiconductor layer is disposed on the barrier layer. The gate electrode is disposed on the compound semiconductor layer. The stack of dielectric layers is disposed on the gate electrode. The stack of dielectric layers includes layers having different etching rates.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: April 9, 2024
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Shin-Cheng Lin, Cheng-Wei Chou, Ting-En Hsieh, Yi-Han Huang, Kwang-Ming Lin, Yung-Fong Lin, Cheng-Tao Chou, Chi-Fu Lee, Chia-Lin Chen, Shu-Wen Chang
  • Portable storage device
    Patent number: 8411428
    Abstract: A portable storage device includes a case, a USB plug, a sliding button, a delete button, a controller and a memory module. The delete button is electrically coupled with the controller. Data stored in the device can be deleted through operation of the delete button without a host device.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: April 2, 2013
    Assignee: Chi Mei Communication Systems, Inc.
    Inventors: Li-Houng Lu, Ching-Min Lin, Hui-Ling Chen, Hsin-Yung Yang, Yuan-Chih Ku, Tzu-Yuan Liu, Yi-En Chen, Kuan-Ling Chen
  • PORTABLE STORAGE DEVICE
    Publication number: 20120008272
    Abstract: A portable storage device includes a case, a USB plug, a sliding button, a delete button, a controller and a memory module. The delete button is electrically coupled with the controller. Data stored in the device can be deleted through operation of the delete button without a host device.
    Type: Application
    Filed: November 10, 2010
    Publication date: January 12, 2012
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventors: LI-HOUNG LU, CHING-MIN LIN, HUI-LING CHEN, HSIN-YUNG YANG, YUAN-CHIH KU, TZU-YUAN LIU, YI-EN CHEN, KUAN-LING CHEN
  • Mobile phone
    Patent number: D621811
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: August 17, 2010
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Yi-En Chen
  • Mobile phone
    Patent number: D633892
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: March 8, 2011
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Yi-En Chen
  • Mobile phone
    Patent number: D750586
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: March 1, 2016
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: Yi-En Chen