Patents by Inventor Sergey Chistyunin

Sergey Chistyunin 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).

  • Portable computer with extensible cartridges
    Publication number: 20030007320
    Abstract: A portable device that includes a microcomputer having a housing with an operating system, a screen and a keypad with at least control keys. The portable device includes a connector socket for connecting a separate cartridge to interface the program on the cartridge to the operating system. The cartridge housing is made with an additional connector for setting an additional cartridge into it. When the additional cartridge is connected, applications on the additional cartridge may also be run by the microcomputer via the first cartridge without having to disconnect the first cartridge.
    Type: Application
    Filed: July 9, 2001
    Publication date: January 9, 2003
    Inventors: David Yan, Igor Tsimokh, Sergey Chistyunin, Andrew Konovalov, Vasily Vinogradov, Ilia Golubev