Patents by Inventor Kazuhiko Hayakawa

Kazuhiko Hayakawa 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).

  • Body coil, gradient coil and NMR apparatus
    Patent number: 5841279
    Abstract: An RF coil is surrounded externally with dampers. Arresting plates are attached securely to the exterior of the dampers to arrest vibrations of the latter. The thickness of the arresting plates is made substantially the same as that of a body coil bobbin.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: November 24, 1998
    Assignee: GE Yokogawa Medical Systems, Limited
    Inventors: Yujiro Hayashi, Kazuhiko Hayakawa, Kazuhiko Sato, Zenchi Hiyama
  • Process for removing calcium oxalate scale
    Patent number: 4264463
    Abstract: A scale containing calcium oxalate as a main component which is adhered on an inner wall of an apparatus is easily removed by contacting it with an aqueous solution containing (1) aluminum ions and/or ferric ions and (2) anions of acid.
    Type: Grant
    Filed: December 15, 1978
    Date of Patent: April 28, 1981
    Assignee: Nissan Chemical Industries Ltd.
    Inventors: Masayoshi Kotake, Toshiki Mori, Kazuhiko Hayakawa
  • Knee holder for MRI apparatus
    Patent number: D402035
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: December 1, 1998
    Assignee: GE Yokogawa Medical Systems, Limited
    Inventors: Peter C. Sullenberger, Masaaki Sakuma, Kenji Suzuki, Kazuhiko Hayakawa, Yasushi Kato
  • Knee holder for MRI apparatus
    Patent number: D402370
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: December 8, 1998
    Assignee: GE Yokogawa Medical Systems, Limited
    Inventors: Peter C. Sullenberger, Masaaki Sakuma, Kenji Suzuki, Kazuhiko Hayakawa, Yasushi Kato