Patents by Inventor Yasuo Iwabuchi

Yasuo Iwabuchi 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: 7999204
    Abstract: An elastic projection elastically projecting outward is provided on the lower side and the lateral side of a hard base. The elastic projection functions as a fixing member when a cover member for a push button switch is fitted into a housing of the product. Inside an elastic projection is formed a space. When the elastic projection is pressed from the outside, the space enables the elastic projection which is elastically deformed inward, to proceed into the space. As a result, the elastic projection projecting from an outer peripheral line of the hard base can be elastically deformed so as to retract inwardly in the hard base.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: August 16, 2011
    Assignee: Shin-Etsu Polymer Co., Ltd.
    Inventors: Takato Kobayashi, Yasuo Iwabuchi, Kimihiko Watanabe
  • Publication number: 20100236907
    Abstract: A key frame capable of being easily fitted into a product and that can be prevented from deforming in the fitting. Elastic projections (41p) elastically projecting outward are provided at the lower side and both lateral sides of a hard base (41). The elastic projections (41p) function as fixing members when a cover member for a push button switch is fitted into a housing of the product. Inside an elastic projection (41p) is provided a space (S). When the elastic projection (41p) is pressed from the outside, the space (S) enables the inwardly deformed elastic projection (41p) to enter into the space (S). As a result, the elastic projections (41p) projecting from an outer peripheral line of the hard base (41) can be elastically deformed so as to retract inside the hard base (41).
    Type: Application
    Filed: July 28, 2006
    Publication date: September 23, 2010
    Applicant: SHIN-ETSU POLYMER CO., LTD.
    Inventors: Takato Kobayashi, Yasuo Iwabuchi, Kimihiko Watanabe
  • Patent number: 7368093
    Abstract: Fused solid of an europium halide containing a less amount of europium oxyhalide impurities is prepared by a process in which a starting europium halide is heated to fuse in the presence of a halogen source and then cooled to give the fused solid.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: May 6, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Tomotake Ikada, Atsunori Takasu, Yasuo Iwabuchi
  • Publication number: 20080023650
    Abstract: A radiation image conversion panel includes a substrate, a phosphor layer formed on the substrate by vapor-phase deposition, and a protective layer covering entirely the phosphor layer to hermetically seal it. A color at a surface of the panel on which exciting light is incident has a density of 0.001 to 0.095 and the color is a color corresponding to a wavelength of 440 nm. A process for producing the panel forms the phosphor layer on the substrate by the vapor-phase deposition and subjects the phosphor layer to a thermal treatment. The process may subject as the thermal treatment the phosphor layer to one or more cycles of a first thermal treatment for heating and cooling it and to only one cycle of a second thermal treatment for heating it in a presence of oxygen. The process further subjects the phosphor layer to humidification which is a treatment for making it absorb moisture.
    Type: Application
    Filed: July 27, 2007
    Publication date: January 31, 2008
    Applicant: FUJIFILM CORPORATION
    Inventors: Yuji ISODA, Keiichiro SATO, Yasuo IWABUCHI
  • Patent number: 7230261
    Abstract: In a radiation image storage panel having an energy storable phosphor layer formed by a gas phase-accumulation method, the energy storable phosphor layer gives off an emission having a luminescence width in terms of d in the range of 150 to 395 ?m when it is exposed to radiation and then excited with a stimulating light of 50 ?m half-width.
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: June 12, 2007
    Assignee: Fujifilm Corporation
    Inventors: Yasuo Iwabuchi, Yuichi Hosoi
  • Patent number: 7217944
    Abstract: The process and apparatus introduce a carrier gas into a vacuum evaporation chamber, evaporate a film forming material from a evaporation source and deposit the evaporated film forming material on a substrate in sheet form to form a stimulable phosphor layer, thereby producing a evaporated phosphor sheet having a stimulable phosphor layer formed on the substrate. The stimulable phosphor layer is formed with substantially all areas of the evaporation source except opening for evaporation being masked to block movement of heat toward the substrate. The evaporated phosphor sheet includes the substrate and a CsBr:Eu evaporated stimulable phosphor layer deposited on the substrate. A maximum intensity of instantaneous light emission from the stimulable phosphor layer at 640 nm upon excitation by uv radiation is lower than a maximum intensity of the instantaneous light emission at 440 nm.
    Type: Grant
    Filed: August 13, 2004
    Date of Patent: May 15, 2007
    Assignee: Fujifilm Corporation
    Inventors: Makoto Kashiwaya, Junji Nakada, Yasuo Iwabuchi
  • Patent number: 7169481
    Abstract: A radiation image conversion panel that has a phosphor layer. The phosphor layer contains a binding agent, a phosphor particle, and at least aryl carboxylic acid or alicyclic carboxylic acid, expressed by the following general Formula: R—R1—COOX, or R—COOX in which R represents (1) an aryl group; (2) an aryl group, replaced with an alkyl group whose number of carbons is 1 to 5, a hydroxyl group, a carboxylic acid group, or a halogen group; (3) a hydroaryl group; or (4) a hydroaryl group (alicyclic group), replaced with an alkyl group whose number of carbons is 1 to 5, a hydroxyl group, or a halogen group; R1 is a hydrocarbon radical whose number of carbons is 1 to 12; and X represents a hydrogen atom, alkaline metal, or —N+ (R2)4 (where R2 represents an alkyl group whose number of carbons is 2 or less).
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: January 30, 2007
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroshi Ogawa, Shinichiro Fukui, Yasuo Iwabuchi, Noriyuki Inoue, Shigeo Hirano
  • Patent number: 7153450
    Abstract: The present invention provides a method and apparatus for preparing a rare earth-activated barium fluorohalide based phosphor, in which atmospheric states during calcining and during cooling can be optimally adjusted and a cooling rate can be selected in a wide range. In the preparing apparatus of the present invention, a mixture 18 of phosphor materials is calcined by a calcining furnace 10 to form a calcined product, and thereafter, the calcined product is cooled to thereby prepare a rare earth-activated barium fluorohalide based phosphor. A calcining region 12 in which the mixture of phosphor materials can be calcined is provided in the calcining furnace 10, and a portion of the calcining region 12 is connected, via a partition door 30 capable of being opened and closed, to a cooling region 28 in which the calcined product can be cooled, at an outer side of the calcining furnace 10.
    Type: Grant
    Filed: July 15, 2002
    Date of Patent: December 26, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroshi Matsumoto, Yasuo Iwabuchi, Kenji Takahashi
  • Patent number: 7141805
    Abstract: In a radiation image storage panel having a phosphor layer which is produced by gas phase deposition and composed of prismatic phosphors, the phosphor layer has a relative density higher or same on a lower side than or as on a upper side, and the prismatic phosphors have a diameter which is larger on a upper side than on a lower side.
    Type: Grant
    Filed: January 6, 2004
    Date of Patent: November 28, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Keiko Neriishi, Kiyoteru Miyake, Yasuo Iwabuchi
  • Patent number: 6899962
    Abstract: An europium activated cesium bromide phosphor having the formula of CsBr:xEu [0<x?0.2], in which a relationship between an emission intensity (IE) of Eu2+ and a coloring intensity (IP) at F(Br?) center satisfies the condition of 0.2?IE×IF, and/or in which a ratio of Eu2+ to Eu3+ contained in the phosphor in terms of emission intensity satisfies the condition of 5×10?5?Eu3+/Eu2+?0.1 gives an increased stimulated emission amount and is favorably employed for producing a radiation image storage sheet.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: May 31, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuo Iwabuchi, Yuji Isoda
  • Patent number: 6894290
    Abstract: A phosphor layer of a radiation image storage panel produced by vapor phase deposition method under such condition that the phosphor layer is composed of a phosphor of a cesium chloride crystalline structure which is grown on a crystal face of (110) or (100) shows an increased sensitivity.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: May 17, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuo Iwabuchi, Makoto Kashiwaya
  • Patent number: 6870167
    Abstract: A radiation image storage panel having a phosphor layer which is composed of a phosphor having a matrix component and an activator component is prepared by the steps of forming on a substrate a lower prismatic crystalline layer composed of the matrix component by vapor deposition; and forming on the lower prismatic crystalline layer an upper prismatic crystalline layer composed of the matrix component and the activator component by vapor deposition.
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: March 22, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuo Iwabuchi, Makoto Kashiwaya, Atsunori Takasu, Yuichi Hosoi
  • Publication number: 20050056798
    Abstract: The process and apparatus introduce a carrier gas into a vacuum evaporation chamber, evaporate a film forming material from a evaporation source and deposit the evaporated film forming material on a substrate in sheet form to form a stimulable phosphor layer, thereby producing a evaporated phosphor sheet having a stimulable phosphor layer formed on the substrate. The stimulable phosphor layer is formed with substantially all areas of the evaporation source except opening for evaporation being masked to block movement of heat toward the substrate. The evaporated phosphor sheet includes the substrate and a CsBr:Eu evaporated stimulable phosphor layer deposited on the substrate. A maximum intensity of instantaneous light emission from the stimulable phosphor layer at 640 nm upon excitation by uv radiation is lower than a maximum intensity of the instantaneous light emission at 440 nm.
    Type: Application
    Filed: August 13, 2004
    Publication date: March 17, 2005
    Inventors: Makoto Kashiwaya, Junji Nakada, Yasuo Iwabuchi
  • Publication number: 20050051746
    Abstract: In a radiation image storage panel having an energy storable phosphor layer formed by a gas phase-accumulation method, the energy storable phosphor layer gives off an emission having a luminescence width in terms of d in the range of 150 to 395 ?m when it is exposed to radiation and then excited with a stimulating light of 50 ?m half-width.
    Type: Application
    Filed: August 27, 2004
    Publication date: March 10, 2005
    Inventors: Yasuo Iwabuchi, Yuichi Hosoi
  • Publication number: 20050047635
    Abstract: A method, apparatus and program for image processing capable of obtaining useful information for identifying the abnormal pulmonary ventilation region from the projected chest radiation images. An air-inhaled image obtained when air is inhaled into lungs and a gas-inhaled image obtained when non-radioactive xenon gas is inhaled into the lungs are aligned by the aligning means, and a subtraction image representing the difference between the two images aligned by the aligning means is created by the subtraction image creating means. The information representing the abnormal pulmonary ventilation region is indicated in the subtraction image in which the anatomical noise arising from the bony part and the like, and artifacts arising from the positional displacement due to the change in the bodily posture of the subject are suppressed.
    Type: Application
    Filed: August 25, 2004
    Publication date: March 3, 2005
    Inventors: Akira Oosawa, Yasuo Iwabuchi
  • Publication number: 20050048197
    Abstract: A radiation image storage panel is manufactured by the steps of heating and vaporizing an evaporation source comprising a phosphor or its starting materials and depositing the vaporized phosphor or materials on a substrate to form a phosphor layer in an evaporation-deposition apparatus, in which the steps are carried out at a pressure of 0.05 to 10 Pa and under the following condition: 0.3?(T?S)/MFP?300 in which MFP stands for a mean free path (unit:meter) of the vaporized phosphor or materials, and T?S stands for a space (unit:meter) between the evaporation source and the substrate.
    Type: Application
    Filed: August 27, 2004
    Publication date: March 3, 2005
    Inventors: Yasuo Iwabuchi, Hiroshi Matsumoto
  • Patent number: 6852357
    Abstract: A radiation image storage panel composed of a support and a phosphor film of a stimulable europium activated cesium bromide phosphor having the formula (I): CsBr.MIX?aMIIX?2+bMIIIX?3:zEu ??(I) [MI is an alkali metal element; MII is an alkaline earth metal element or a divalent metal element; MIII is a rare earth element or a trivalent metal element; each of X, X? and X? is a halogen; and 0?a<0.5, 0?b<0.5, 0?c<0.5, and 0<z<1.0] is prepared by the steps of depositing on the support a prismatic europium activated cesium bromide phosphor crystal layer on the support in a gas phase; and heating the crystal layer at a temperature of <300 ° C. but >50° C. for 1 to 8 hours in an inert gas atmosphere which may contain a small amount of oxygen or hydrogen.
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: February 8, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yuji Isoda, Yasuo Iwabuchi
  • Publication number: 20050002844
    Abstract: Fused solid of an europium halide containing a less amount of europium oxyhalide impurities is prepared by a process in which a starting europium halide is heated to fuse in the presence of a halogen source and then cooled to give the fused solid.
    Type: Application
    Filed: April 28, 2004
    Publication date: January 6, 2005
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Tomotate Ikada, Atsunori Takasu, Yasuo Iwabuchi
  • Patent number: 6815692
    Abstract: A radiation image storage panel having a deposited phosphor layer, wherein the phosphor layer comprises an alkali metal halide stimulable phosphor containing a small amount of oxygen atom and is annealed after deposition has high-sensitivity and gives a reproduced radiation image of high quality.
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: November 9, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuo Iwabuchi, Keiko Neriishi
  • Publication number: 20040188632
    Abstract: In a radiation image storage panel having a phosphor layer which is produced by gas phase deposition and composed of prismatic phosphors, the phosphor layer has a relative density higher or same on a lower side than or as on a upper side, and the prismatic phosphors have a diameter which is larger on a upper side than on a lower side.
    Type: Application
    Filed: January 6, 2004
    Publication date: September 30, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Keiko Neriishi, Kiyoteru Miyake, Yasuo Iwabuchi