Patents by Inventor Heikki VILJANEN

Heikki VILJANEN 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 APPARATUS
    Publication number: 20220301968
    Abstract: A semiconductor apparatus having a silicon substrate layer at least portion of which is doped with dopants of a conductivity type; and at least one insulator layer formed above the silicon substrate layer, wherein the at least one insulator layer and the dopants of the silicon substrate layer have opposite electric charges.
    Type: Application
    Filed: June 8, 2022
    Publication date: September 22, 2022
    Applicant: Teknologian tutkimuskeskus VTT Oy
    Inventors: Heikki VILJANEN, Pekka RANTAKARI, Tauno VÄHÄ-HEIKKILÄ, Esa TUOVINEN
  • Semiconductor apparatus
    Patent number: 11380600
    Abstract: A semiconductor apparatus having a silicon substrate layer at least portion of which is doped with dopants of a conductivity type; and at least one insulator layer formed above the silicon substrate layer, wherein the at least one insulator layer and the dopants of the silicon substrate layer have opposite electric charges.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: July 5, 2022
    Assignee: Teknologian tutkimuskeskus VTT Oy
    Inventors: Heikki Viljanen, Pekka Rantakari, Tauno Vähä-Heikkilä, Esa Tuovinen
  • SEMICONDUCTOR APPARATUS
    Publication number: 20200152537
    Abstract: A semiconductor apparatus having a silicon substrate layer at least portion of which is doped with dopants of a conductivity type; and at least one insulator layer formed above the silicon substrate layer, wherein the at least one insulator layer and the dopants of the silicon substrate layer have opposite electric charges.
    Type: Application
    Filed: May 28, 2018
    Publication date: May 14, 2020
    Inventors: Heikki VILJANEN, Pekka RANTAKARI, Tauno VÄHÄ-HEIKKILÄ, Esa TUOVINEN