Patents by Inventor Jian Zhi Wu

Jian Zhi Wu 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: 20220238332
    Abstract: A plasma enhanced chemical vapor deposition (PECVD) method includes loading a wafer having a magnetic layer thereon into a processing chamber equipped with a radio frequency (RF) system, introducing an aromatic hydrocarbon precursor into the processing chamber, and turning on an RF source of the RF system to decompose the aromatic hydrocarbon precursor into active radicals at a frequency greater than about 1000 Hz to form a graphene layer over the magnetic layer.
    Type: Application
    Filed: May 6, 2021
    Publication date: July 28, 2022
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., NATIONAL TAIWAN UNIVERSITY
    Inventors: Jian-Zhi HUANG, Yun-Hsuan HSU, I-Chih NI, Chih-I WU
  • Patent number: 5898967
    Abstract: An improved flexible toothbrush for enhancing the brushing of an individual. The flexible toothbrush comprises a bristle head portion, a neck portion and a handle portion integrally connected to the bristle head portion by the neck portion. An elongated flat flexible leaf-spring is embedded within the body of the toothbrush and extends partially in the head portion through the entire neck portion and the end of the handle portion for providing flexibility on the body of the toothbrush and enhancing the brushing of teeth of an individual. The flexible leaf-spring comprises a pair of spaced apart zig-zag sections which located between the head and neck portions and the beginning of the handle portion to further increase the flexibility on the body of the toothbrush.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: May 4, 1999
    Inventors: Jian Zhi Wu, Rui Qing Lai
  • Patent number: 5694658
    Abstract: A flexible toothbrush comprises a head portion, a neck portion and a handle portion. The head portion is integrally formed with the neck portion such that it is at an angle of approximately 0.degree. to 20.degree.. The neck potion has a hollow chamber, where a leaf-spring is embedded within the hollow chamber and is bendable for providing flexibility on the neck portion for enhancing the brushing of an individual's teeth.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: December 9, 1997
    Assignee: Natural Sparkle IM/EX Co. Ltd.
    Inventors: Pei Zhi Huang, Jian Zhi Wu, Rui Qing Lai