Patents by Inventor Tan Joo Hwa

Tan Joo Hwa 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).

  • Virtual local area network system capable of sending tag frames
    Patent number: 6934286
    Abstract: A TAG-VLAN system capable of sending tag frames according to the present invention has a switch for sending a packet including VLAN IDs managed by the switch and a terminal for storing the VLAN IDs of the packet sent by the switch, distinguishing when the VLAN ID is the VLAN ID that the terminal itself belongs to and performing setting relating to its own VLAN.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: August 23, 2005
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Tan Joo Hwa, Katsuhiko Miyamoto
  • Virtual local area network system capable of sending tag frames
    Publication number: 20020003801
    Abstract: A TAG-VLAN system capable of sending tag frames according to the present invention has a switch for sending a packet including VLAN IDs managed by the switch and a terminal for storing the VLAN IDs of the packet sent by the switch, distinguishing when the VLAN ID is the VLAN ID that the terminal itself belongs to and performing setting relating to its own VLAN.
    Type: Application
    Filed: March 30, 2001
    Publication date: January 10, 2002
    Inventors: Tan Joo Hwa, Katsuhiko Miyamoto