Patents by Inventor Tomoya Yamashiki

Tomoya Yamashiki 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).

  • Photosensitive ceramic composite and method for manufacturing multilayer substrate including the composite
    Patent number: 7291444
    Abstract: The present invention relates to a photosensitive ceramic composite and a method for manufacturing a multilayer substrate using the composite. The photosensitive ceramic composite and manufacturing method of the present invention are applicable to circuit members and components for ceramic multilayer substrates for high-frequency wireless communication. The photosensitive ceramic composite contain inorganic particles and a photo sensitive organic components. The inorganic particles have at least surface sections containing an inorganic material having a refractive index less than that of inner sections of the inorganic particles.
    Type: Grant
    Filed: October 28, 2002
    Date of Patent: November 6, 2007
    Assignee: Toray Industries, Inc.
    Inventors: Tomoya Yamashiki, Takenori Ueoka, Mitsuyo Shimba
  • Photosensitive ceramic composite and method for manufacturing multilayer substrate including the composite
    Publication number: 20040249040
    Abstract: The present invention relates to a photosensitive ceramic composite and a method for manufacturing a multilayer substrate using the composite. The photosensitive ceramic composite and manufacturing method of the present invention are applicable to circuit members and components for ceramic multilayer substrates for high-frequency wireless communication.
    Type: Application
    Filed: April 30, 2004
    Publication date: December 9, 2004
    Inventors: Tomoya Yamashiki, Takenori Ueoka, Mitsuyo Shimba
  • Optical recording medium
    Patent number: 6071588
    Abstract: An optical recording medium has a high hardness layer, first dielectric layer, recording layer, second dielectric layer and reflective layer. The hardness of the high hardness layer is larger than the hardness of the first dielectric layer, and the thickness of the second dielectric layer is in the range of 3 to 50 nm. Such a rewritable phase change type optical recording medium may show reduced degradation in the write-start portion and write-end portion of frequently rewritten sectors, and have good jitter characteristics.
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: June 6, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Hitoshi Nobumasa, Kunihisa Nagino, Gentaro Ohbay Ashi, Tomoya Yamashiki, Yuji Watanabe, Takeshi Arai