Patents by Inventor Kuan-Jou Chen

Kuan-Jou 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 device and method of manufacture
    Patent number: 11990339
    Abstract: A semiconductor device and method of manufacture are provided. After a patterning of a middle layer, the middle layer is removed. In order to reduce or prevent damage to other underlying layers exposed by the patterning of the middle layer and intervening layers, an inhibitor is included within an etching process in order to inhibit the amount of material removed from the underlying layers.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: May 21, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jian-Jou Lian, Yao-Wen Hsu, Neng-Jye Yang, Li-Min Chen, Chia-Wei Wu, Kuan-Lin Chen, Kuo Bin Huang
  • TOOTHBRUSH WITH CERAMIC HANDLE
    Publication number: 20120036663
    Abstract: Disclosed in a toothbrush with ceramic handle. The toothbrush includes a handle that is made of ceramics in order to provide functionalities of wear resistance and contamination resistance. The handle and a head of the toothbrush are both provided with a connection portion for coupling the handle and the head together and also allowing the head to be readily replaced.
    Type: Application
    Filed: August 1, 2011
    Publication date: February 16, 2012
    Inventor: KUAN-JOU CHEN
  • Oral cleanliness and gum massage device
    Publication number: 20080163888
    Abstract: An oral cleanliness and gum massage device, which includes U-shaped end portion, at least one lower protruding body or side protruding body and a dental floss. The aforementioned U-shaped end portion is connected to a handle portion, and the aforementioned lower protruding bodies or side protruding bodies are disposed at a lower portion or a side of the U-shaped end portion. The aforementioned dental floss is positioned on two endpoints of the U-shaped end portion.
    Type: Application
    Filed: August 31, 2007
    Publication date: July 10, 2008
    Inventor: Kuan-Jou Chen