Patents by Inventor Hiroki Asai

Hiroki Asai 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).

  • Patent number: 5625393
    Abstract: An ink ejecting apparatus is composed of a piezoelectric ceramics plate, a cover plate, and a nozzle plate. The piezoelectric ceramics plate is provided with a plurality of grooves. The cover plate is composed of a front plate and a rear plate. The rear plate is provided with a plurality of ink inlet holes and a manifold. The cover plate is bonded to the piezoelectric ceramics plate to define a plurality of ink chambers communicating with the manifold through the ink inlet holes and a plurality of air chambers that do not communicate with the manifold.
    Type: Grant
    Filed: October 12, 1994
    Date of Patent: April 29, 1997
    Inventor: Hiroki Asai
  • Patent number: 5547557
    Abstract: A process for forming an electroconductive thin-film coil element uses an InNi alloy film which is heated to a temperature above its melting point and melted off together with an electrode used for electroplating.
    Type: Grant
    Filed: October 20, 1994
    Date of Patent: August 20, 1996
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroki Asai, Yuji Omata
  • Patent number: 5489488
    Abstract: A soft magnetic multilayer film is manufactured by an electroplating process using an electrolyte containing metal ions. The soft magnetic multilayer film includes soft magnetic layers composed of elements, and deteriorated-soft magnetic layers composed of the same elements and alternating with the soft magnetic layers. The soft magnetic layers are preferably different in composition from the deteriorated-soft magnetic layers. In addition, it is preferable that the metal ions contained in the electrolyte include at least two of Ni ion, Co ion, and Fe ion.
    Type: Grant
    Filed: December 2, 1993
    Date of Patent: February 6, 1996
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroki Asai, Yuuji Omata