Patents by Inventor Mitsuo Takabatake

Mitsuo Takabatake 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).

  • Hybrid package, glass ceramic substrate for the hybrid package, and composition for the glass ceramic substrate
    Patent number: 5304518
    Abstract: A hybrid package comprising a glass ceramic substrate and an aluminum nitride substrate bonded thereto, said glass ceramics substrate has a thermal expansion coefficient substantially the same as that of the aluminum nitride substrate.
    Type: Grant
    Filed: June 18, 1991
    Date of Patent: April 19, 1994
    Assignee: Asahi Glass Company Ltd.
    Inventors: Kazuo Sunahara, Naosi Irisawa, Katumasa Nakahara, Kazunari Watanabe, Mitsuo Takabatake
  • Hybrid package, glass ceramic substrate for the hybrid package, and composition for the glass ceramic substrate
    Patent number: 5057376
    Abstract: A hybrid package comprising a glass ceramic substrate and an aluminum nitride substrate bonded thereto, said glass ceramic substrate has a thermal expansion coefficient substantially the same as that of the aluminum nitride substrate.
    Type: Grant
    Filed: November 15, 1989
    Date of Patent: October 15, 1991
    Assignee: Asahi Glass Company Ltd.
    Inventors: Kazuo Sunahara, Naosi Irisawa, Katumasa Nakahara, Kazunari Watanabe, Mitsuo Takabatake
  • Glass antenna device for an automobile
    Patent number: 4992801
    Abstract: A glass antenna device for an automobile comprises a glass plate fitted to an opening for a window, an antenna conductor having a power feeding point arranged on the glass plate and a matching circuit electrically connected to the power feeding point.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: February 12, 1991
    Assignee: Asahi Glass Company Ltd.
    Inventors: Toshihiko Saito, Michio Ono, Hijiri Ichihara, Mitsuo Takabatake, Shinichi Watanabe, Kenji Oda, Masanobu Ogawa
  • Composition for ceramic substrate and substrate
    Patent number: 4883705
    Abstract: A composition for a ceramic substrate comprising from 30 to 70% by weight of glass powder, from 28 to 70% by weight of refractory filler powder and an oxidizing agent, said glass powder consisting essentially of from 38 to 48% by weight of SiO.sub.2, from 1 to 8% by weight of Al.sub.2 O.sub.3, from 0 to 10% by weight of MgO, from 18 to 28% by weight of BaO, from 1 to 8% by weight of CaO, from 0 to 15% by weight of SrO, from 0.5 to 15% by weight of B.sub.2 O.sub.3, from 0 to 20% by weight of PbO, from 10 to 20% by weight of ZnO, from 0 to 7% by weight of TiO.sub.2 plus ZrO.sub.2 and from 0 to 5% by weight of Li.sub.2 O plus Na.sub.2 O plus K.sub.2 O, and said refractory filler powder comprising from 20 to 60% by weight of alumina, from 0 to 40% by weight of zircon, from 0 to 30% by weight of cordierite and from 0 to 30% by weight of forsterite.
    Type: Grant
    Filed: July 6, 1988
    Date of Patent: November 28, 1989
    Assignee: Asahi Glass Company Ltd.
    Inventors: Keiichi Kawakami, Mitsuo Takabatake, Jiro Chiba
  • Composition for ceramic substrate and substrate
    Patent number: 4777092
    Abstract: A composition for a ceramic substrate comprising from 30 to 70% by weight of glass powder, from 28 to 70% by weight of refractory filler powder and an oxidizing agent, said glass powder consisting essentially of from 38 to 48% by weight of SiO.sub.2, from 1 to 8% by weight of Al.sub.2 O.sub.3, from 0 to 10% by weight of MgO, from 18 to 28% by weight of BaO, from 1 to 8% by weight of CaO, from 0 to 15% by weight of SrO, from 0.5 to 15% by weight of B.sub.2 O.sub.3, from 0 to 20% by weight of PbO, from 10 to 20% by weight of ZnO, from 0 to 7% by weight of TiO.sub.2 plus ZrO.sub.2 and from 0 to 5% by weight of Li.sub.2 O plus Na.sub.2 O plus K.sub.2 O, and said refractory filler powder comprising from 20 to 60% by weight of alumina, from 0 to 40% by weight of zircon, from 0 to 30% by weight of cordierite and from 0 to 30% by weight of forsterite.
    Type: Grant
    Filed: May 1, 1987
    Date of Patent: October 11, 1988
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Keiichi Kawakami, Mitsuo Takabatake, Jiro Chiba
  • Composition for multilayer printed wiring board
    Patent number: 4593006
    Abstract: A composition for a multilayer printed wiring board, consisting essentially of from 25 to 65% by weight of glass powder, from 0 to 60% by weight of alumina powder and from 5 to 60% by weight of forsterite powder, said glass powder consisting essentially of from 25 to 70% by weight of SiO.sub.2, from 4 to 15% by weight of Al.sub.2 O.sub.3, from 25 to 45% by weight of B.sub.2 O.sub.3 and from 0.5 to 30% by weight of BaO.
    Type: Grant
    Filed: April 11, 1985
    Date of Patent: June 3, 1986
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Mitsuo Takabatake, Jiro Chiba, Yoshinori Kokubu
  • Aluminum titanate composition being stable at high temperature
    Patent number: 4118240
    Abstract: Aluminum titanate composition being stable at high temperature comprises 1.5 to 20 wt. % of Sn component as SnO.sub.2 and/or 0.5 to 10 wt. % of rare earth element component as rare earth oxide.
    Type: Grant
    Filed: August 11, 1977
    Date of Patent: October 3, 1978
    Assignee: Asahi Glass Company Ltd.
    Inventor: Mitsuo Takabatake