Patents by Inventor Masayuki Katayanagi

Masayuki Katayanagi 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).

  • Wear-preventive memory card connector
    Patent number: 6579126
    Abstract: Disclosed is an improved memory card connector having contact heads to make contact with the contacts of a memory card when inserted in the card receptacle of the memory card connector. It comprises contact limiting means responsive to insertion of the memory card into the card receptacle for preventing the contact heads from touching anywhere on the way to the contacts of the memory card.
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: June 17, 2003
    Assignee: Honda Tsushin Kogyo Co., Ltd.
    Inventors: Kinzo Narumo, Masayuki Katayanagi
  • Wear-preventive memory card connector
    Publication number: 20030049967
    Abstract: Disclosed is an improved memory card connector having contact heads to make contact with the contacts of a memory card when inserted in the card receptacle of the memory card connector. It comprises contact limiting means responsive to insertion of the memory card into the card receptacle for preventing the contact heads from touching anywhere on the way to the contacts of the memory card.
    Type: Application
    Filed: January 29, 2002
    Publication date: March 13, 2003
    Inventors: Kinzo Narumo, Masayuki Katayanagi