Patents by Inventor Katsumi Suzuki

Katsumi Suzuki 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).

  • X-ray image diagnostic apparatus
    Patent number: 6661874
    Abstract: Time for readout with no recording is shortened by performing readout with no recording only to the pixels having lags of the previous image.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: December 9, 2003
    Assignee: Hitachi Medical Corporation
    Inventor: Katsumi Suzuki
  • Low dielectric constant film material, film and semiconductor device using such material
    Publication number: 20030207131
    Abstract: A low dielectric film forming material contains siloxane resin and polycarbosilane dissolved in solvent. By using this solution, a low dielectric film is formed which contains siloxane resin and polycarbosilane bonded to the siloxane resin. Material of a low dielectric film is provided which is suitable for inter-level insulating film material. A semiconductor device is also provided which has a low dielectric constant film and high reliability.
    Type: Application
    Filed: May 30, 2003
    Publication date: November 6, 2003
    Applicant: Fujitsu Limited
    Inventors: Yoshihiro Nakata, Shun-Ichi Fukuyama, Katsumi Suzuki, Ei Yano, Tamotsu Owada, Iwao Sugiura
  • Thermoplastic resin composition
    Publication number: 20030181587
    Abstract: The invention is to provide a thermoplastic resin composition rich in heat resistance, oil resistance, and thermal aging resistance and excellent in tensile elongation characteristics, by adding a specific partially hydrogenated block copolymer to a styrene resin and/or poly(phenylene ether) resin and an olefin resin.
    Type: Application
    Filed: February 20, 2003
    Publication date: September 25, 2003
    Inventors: Masahiro Sasagawa, Katsumi Suzuki, Toshikazu Hoshina
  • Focused ion beam system enabling observation/machining of large sample
    Publication number: 20030168607
    Abstract: A focused ion beam of the present invention can handle all regions of a sample by having an ion optical system arranged so that an irradiation center position of the ion beam comes to a location eccentric in a direction of one corner from a center of a rectangular sample chamber, making a sample chamber of a size that makes it possible to move a sample stage two-dimensionally in X and Y directions by such an extent that the ion irradiation position can cover a region spanning from one corner of the sample to a central section, and combining this with a sample rotating mechanism.
    Type: Application
    Filed: March 31, 2003
    Publication date: September 11, 2003
    Inventor: Katsumi Suzuki
  • Low dielectric constant film material, film and semiconductor device using such material
    Patent number: 6613834
    Abstract: A low dielectric film forming material contains siloxane resin and polycarbosilane dissolved in solvent. By using this solution, a low dielectric film is formed which contains siloxane resin and polycarbosilane bonded to the siloxane resin. Material of a low dielectric film is provided which is suitable for inter-level insulating film material. A semiconductor device is also provided which has a low dielectric constant film and high reliability.
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: September 2, 2003
    Assignee: Fujitsu Limited
    Inventors: Yoshihiro Nakata, Shun-ichi Fukuyama, Katsumi Suzuki, Ei Yano, Tamotsu Owada, Iwao Sugiura
  • Optical waveguide
    Patent number: 6594431
    Abstract: An optical waveguide provided on a substrate, which comprises a core for transmitting light and a clad formed around the core, wherein the clad is made of a fluorinated alicyclic structure-containing polymer having functional groups.
    Type: Grant
    Filed: September 6, 2002
    Date of Patent: July 15, 2003
    Assignee: Asahi Glass Company Ltd.
    Inventors: Katsumi Suzuki, Ikuo Matsukura
  • X-ray image diagnostic apparatus
    Publication number: 20030118153
    Abstract: Time for readout with no recording is shortened by performing readout with no recording only to the pixels having lags of the previous image.
    Type: Application
    Filed: September 25, 2002
    Publication date: June 26, 2003
    Inventor: Katsumi Suzuki
  • Insulation film forming material, insulation film, method for forming the insulation film, and semiconductor device
    Publication number: 20030089903
    Abstract: Porous insulation films 28, 40, 50 are formed of an insulation forming material including a silicon compound having a skeleton containing C—C bonds, a pore forming compound which is decomposed or evaporated by a heat treatment, and a solvent which dissolves the silicon compound with the pore forming compound, whereby the porous insulation film can have good mechanical strength and low dielectric constant.
    Type: Application
    Filed: March 22, 2002
    Publication date: May 15, 2003
    Applicant: FUJITSU LIMITED
    Inventors: Yoshihiro Nakata, Katsumi Suzuki, Iwao Sugiura, Ei Yano
  • Optical film
    Publication number: 20030086159
    Abstract: An optical film which comprises a transparent resin layer (1) made of a photo-curable resin having a self-healing property, an antireflection layer (2) present on one side of the transparent resin layer (1), and a color tone correcting layer (3) containing a colorant which has a color tone correcting property, present on the other side of the transparent resin layer (1) opposite from the antireflection layer (2).
    Type: Application
    Filed: June 24, 2002
    Publication date: May 8, 2003
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Katsumi Suzuki, Fumiko Kawasato, Ken Moriwaki
  • Hybrid gas insulation switchgear apparatus
    Publication number: 20030062340
    Abstract: A hybrid gas insulation switchgear apparatus comprises an enclosure in which an insulating gas is sealed, a bushing unit provided for the enclosure, a breaker unit disposed inside the enclosure, a disconnector unit disposed inside the enclosure and including disconnectors to be connected electrically in series to both sides of the breaker unit, an earth switch unit disposed inside the enclosure and including earth switches disposed between the breaker unit and the disconnectors, respectively, the earth switches being provided with main pole side electrodes disposed on the side of the breaker unit, and a current transformer unit mounted to the enclosure. The bushing unit including bushings each having a conductor connected to an electrode in the disconnector on a side opposite to the breaker.
    Type: Application
    Filed: December 9, 2002
    Publication date: April 3, 2003
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kozo Matsushita, Katsumi Suzuki, Hiroshi Furuta, Kenji Arai, Osamu Nakano, Kazutoshi Ogata
  • Air filter
    Publication number: 20030046913
    Abstract: There is provided an air filter, which has a long lifetime and permits to capture effectively carbon particles and reduce costs. The air filter has the first filter layer 11 impregnated with oil and the second filter layer 12, which is provided on the downstream side of the first filter layer 11 and serves as a lipophobic layer having an oil-repellent property. The filter material of the first filter layer 11 has a higher density than the filter material of the second filter material 12.
    Type: Application
    Filed: January 23, 2002
    Publication date: March 13, 2003
    Inventors: Atsushi Suzuki, Toshinori Oba, Norihiko Matsushita, Katsumi Suzuki, Takeo Jo
  • IC pocket
    Publication number: 20030045136
    Abstract: The present invention provides an IC socket formed by attaching a socket frame to a test board via a contact sheet, wherein the contact sheet has a plurality of cantilever spring type contacts arranged on an insulation film and a spacer member, to tightly attach the socket frame to the test board via the contact sheet without any inclination.
    Type: Application
    Filed: September 4, 2002
    Publication date: March 6, 2003
    Applicant: YAMAICHI ELECTRONICS CO., LTD.
    Inventors: Katsumi Suzuki, Takehiro Ito
  • Hybrid gas insulation switchgear apparatus
    Patent number: 6521855
    Abstract: A hybrid gas insulation switchgear apparatus comprises an enclosure in which an insulating gas is sealed, a bushing unit provided for the enclosure, a breaker unit disposed inside the enclosure, a disconnector unit disposed inside the enclosure and including disconnectors to be connected electrically in series to both sides of the breaker unit, an earth switch unit disposed inside the enclosure and including earth switches disposed between the breaker unit and the disconnectors, respectively, the earth switches being provided with main pole side electrodes disposed on the side of the breaker unit, and a current transformer unit mounted to the enclosure. The bushing unit including bushings each having a conductor connected to an electrode in the disconnector on a side opposite to the breaker.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: February 18, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kozo Matsushita, Katsumi Suzuki, Hiroshi Furuta, Kenji Arai, Osamu Nakano, Kazutoshi Ogata
  • Joined structure of dissimilar metallic materials
    Publication number: 20030031889
    Abstract: The present invention relates generally to a joined structure of dissimilar metallic materials having different characteristics. More specifically, the invention relates to a joined structure of a current-carrying contact or arching contact which are used for, e.g., a power breaker, or a coating end structure of a metal base and a coating material for improving conductivity and heat resistance.
    Type: Application
    Filed: October 15, 2002
    Publication date: February 13, 2003
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takahiko Shindo, Yoshiyasu Itoh, Katsumi Suzuki
  • IC socket
    Publication number: 20030032326
    Abstract: An IC socket is provided which realizes a uniform pressure of contact with an IC package over the entire length of a row of contacts and thereby enables an appropriate evaluation of characteristics of the IC package. The IC socket mounted on a printed circuit board includes: a socket base having a large number of contacts arranged in a row and brought into contact with leads of an IC package; a cover bearing on the contacts through an elastic body; and fixing portions for securing the cover to the socket base; wherein a contact surface between the elastic body and the contacts is curved in a longitudinal direction and the curved surface is so shaped as to generate a uniform contact force between the contacts and the leads of the IC package.
    Type: Application
    Filed: August 7, 2002
    Publication date: February 13, 2003
    Applicant: YAMAICHI ELECTRONICS CO., LTD.
    Inventors: Katsumi Suzuki, Yuji Nakamura
  • Optical waveguide
    Publication number: 20030026574
    Abstract: An optical waveguide provided on a substrate, which comprises a core for transmitting light and a clad formed around the core, wherein the clad is made of a fluorinated alicyclic structure-containing polymer having functional groups.
    Type: Application
    Filed: September 6, 2002
    Publication date: February 6, 2003
    Applicant: ASAHI GLASS COMPANY LTD.
    Inventors: Katsumi Suzuki, Ikuo Matsukura
  • Silicon-based composition, low dielectric constant film, semiconductor device, and method for producing low dielectric constant film
    Publication number: 20030003288
    Abstract: A composition comprising a siloxane resin, a silicon compound substantially consisting of silicon, carbon and hydrogen, wherein the number ratio of carbon to silicon atoms forming an —X— bond (wherein X is (C)m (where m is an integer in the range of from 1 to 3), or a substituted or unsubstituted aromatic group with 9 or less carbon atoms) in the main chain of one molecule is in the range of from 2:1 to 12:1, and a solvent, is subjected to a heat treatment to form a low dielectric constant film. Accordingly, a low dielectric constant film having excellent resistance against chemicals and excellent moisture resistance is provided. A semiconductor integrated circuit having a fast response can be produced by using the film.
    Type: Application
    Filed: October 26, 2001
    Publication date: January 2, 2003
    Applicant: Fujitsu Limited
    Inventors: Yoshihiro Nakata, Katsumi Suzuki, Iwao Sugiura, Ei Yano
  • Joined structure of dissimilar metallic materials
    Patent number: 6492037
    Abstract: A friction welded joint structure includes friction welded dissimilar first and second metallic materials. The first metallic material has a rigidity greater than the second metallic material. The angle of the first metallic material to a free edge of the first metallic material, at an end portion of a joined surface between the first and second metallic materials, is greater than or equal to 120 degrees or in the range of from 55 degrees to 85 degrees. A reaction layer between the first and second metallic materials is more than zero and less than or equal to 20 &mgr;m. The first metallic material is copper. The second, which has the smaller rigidity, is aluminum.
    Type: Grant
    Filed: November 18, 1998
    Date of Patent: December 10, 2002
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takahiko Shindo, Yoshiyasu Itoh, Katsumi Suzuki
  • Optical waveguide
    Patent number: 6490400
    Abstract: An optical waveguide provided on a substrate, which comprises a core for transmitting light and a clad formed around the core, wherein the clad is made of a fluorinated alicyclic structure-containing polymer having functional groups.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: December 3, 2002
    Assignee: Asahi Glass Company Ltd.
    Inventors: Katsumi Suzuki, Ikuo Matsukura
  • IC socket and method of mounting IC package
    Publication number: 20020173179
    Abstract: In order to form a sufficient space between the free end portions of the cantilevered spring type of the contacts of the contact sheet for the IC socket and the wires of the test board, to obtain a sufficient elastic displacement of the free end portions of the contacts, and to improve the test efficiency, the IC socket of the present invention comprising the socket frame mounted to the test board through the contact sheet is characterized by comprising the contact sheet having a plurality of cantilevered spring contacts arrayed on the insulating film, and the method of mounting the IC package of the present invention is characterized by comprising a first step of mounting the contact sheet to the carrier concurrently used as a socket frame, and a second step of mounting the carrier to the test board, installing the IC package in the carrier and mounting the pusher.
    Type: Application
    Filed: May 14, 2002
    Publication date: November 21, 2002
    Applicant: YAMAICHI ELECTRONICS CO., LTD.
    Inventors: Takehiro Ito, Katsumi Suzuki