Patents by Inventor Liping Zuo

Liping Zuo 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).

  • FUNCTIONAL OPTICAL DEVICES AND METHODS FOR PRODUCING THEM
    Publication number: 20070086719
    Abstract: A functional optical device has cores which are trenches, different portions of the cores being formed from different core materials. The optical device can be formed by forming trenches 5, 7, 9 within a substrate (normally a substrate 1 covered by a cladding layer 3), covering at least part of at least one trench 7 with a cover 11, depositing a first cladding layer 13 of a first cladding material to fill the trenches 5, 9 which are not covered, removing the cover 11, depositing a second cladding layer 15 of a second cladding material to fill the trenches 7 which were previously covered, removing core material outside the trenches 5, 7, 9, and applying a cladding layer to cover the trenches.
    Type: Application
    Filed: November 22, 2006
    Publication date: April 19, 2007
    Applicant: Hoya Corporation
    Inventors: Shiro Takahashi, Hisanori Suzuki, Junjie Si, Myint Aye, Liping Zuo, Kenneth Kong, Atsushi Watabe
  • Functional optical devices and methods for producing them
    Patent number: 7194176
    Abstract: A functional optical device has cores which are trenches, different portions of the cores being formed from different core materials. The optical device can be formed by forming trenches 5,7,9 within a substrate (normally a substrate 1 covered by a cladding layer 3), covering at least part of at least one trench 7 with a cover 11, depositing a first cladding material to fill the trenches 5,9 which are not covered, removing the cover 11, depositing a second cladding layer 15 of a second cladding material to fill the trenches 7 which were previously covered, removing core material outside the trenches 5,7,9 and applying a cladding layer to cover the trenches.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: March 20, 2007
    Assignee: Hoya Corporation
    Inventors: Shiro Takahashi, Hisanori Suzuki, Junjie Si, Myint Myint Aye, Liping Zuo, Hsin Yuan Kenneth Kong, Atsushi Watabe
  • Functional optical devices and methods for producing them
    Publication number: 20050169580
    Abstract: A functional optical device has cores which are trenches, different portions of the cores being formed from different core materials. The optical device can be formed by forming trenches 5,7,9 within a substrate (normally a substrate 1 covered by a cladding layer 3), covering at least part of at least one trench 7 with a cover 11, depositing a first cladding material to fill the trenches 5,9 which are not covered, removing the cover 11, depositing a second cladding layer 15 of a second cladding material to fill the trenches 7 which were previously covered, removing core material outside the trenches 5,7,9 and applying a cladding layer to cover the trenches.
    Type: Application
    Filed: May 29, 2002
    Publication date: August 4, 2005
    Applicant: Hoya Corporation
    Inventors: Shiro Takahashi, Hisanori Suzuki, Junjie Si, Myint Aye, Liping Zuo, Hsin Kong, Atsushi Watabe