Patents by Inventor Kenji Ohnuma

Kenji Ohnuma 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).

  • Publication number: 20200020434
    Abstract: An information collection processing apparatus which can efficiently collect desired medical information without excess or deficiency, an information collection processing method and a program are provided. The information collection processing apparatus includes an information extractor which extracts medical information from a terminal apparatus which possesses the medical information including a plurality of pieces of supplementary information on the basis of collection side conditions in which medical information to be collected is set and provision side conditions in which medical information which can be provided is set, an information processor which performs treatment processing including processing of deleting at least one piece of the supplementary information among a plurality of pieces of the supplementary information included in the medical information extracted by the information extractor, and an information storage 6 which stores the medical information subjected to the treatment processing.
    Type: Application
    Filed: June 19, 2019
    Publication date: January 16, 2020
    Inventors: Hirotake MINAMI, Shinsuke KATSUHARA, Kenji OHNUMA, Hidetake TEZUKA
  • Publication number: 20190339192
    Abstract: An aging apparatus wherein a chamber has a cylindrical shape, a chamber shelf is rotatably disposed in an interior of the chamber, and the chamber shelf enables a plurality of aging target objects to be installed in the direction of a rotating shaft.
    Type: Application
    Filed: June 7, 2017
    Publication date: November 7, 2019
    Applicant: Sharp Kabushiki Kaisha
    Inventor: Kenji OHNUMA
  • Patent number: 9375754
    Abstract: In a laminated piezoelectric body, a laminated piezoelectric body manufacturing method, an ultrasound transducer, and an ultrasound diagnostic device according to the present invention, a plurality of mutually laminated piezoelectric bodies are electrically connected in parallel to each other, and each of the plurality of piezoelectric bodies arranges an orientation of residual polarization or a crystal axis that is related to an electrical displacement or a sign of an electric field due to a direct piezoelectric effect in a direction which reduces sensitivity in a first resonance mode and increases sensitivity in a second resonance mode of a higher order than the first resonance mode with respect to an axis of a first-level piezoelectric body on a fixed end-side.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: June 28, 2016
    Assignee: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Yuichi Nishikubo, Kenji Ohnuma, Kiyokazu Morita, Kenji Suzuki, Hidekazu Kodama, Munehiro Date
  • Publication number: 20130241101
    Abstract: A method for producing an organic piezoelectric material shaped in a film with ends opposite to each other, including: a heat treatment process of heating the organic piezoelectric material at a temperature which is higher than room temperature and lower by 10° C. than the melting point of the organic piezoelectric material while applying tension to the organic piezoelectric material via the ends provided with a distance therebetween; and successively, an expanding process of expanding the distance between the ends of the organic piezoelectric material while cooling the organic piezoelectric material to room temperature.
    Type: Application
    Filed: May 9, 2013
    Publication date: September 19, 2013
    Applicant: KONICA MINOLTA, INC.
    Inventor: Kenji OHNUMA
  • Publication number: 20130018266
    Abstract: In a laminated piezoelectric body, a laminated piezoelectric body manufacturing method, an ultrasound transducer, and an ultrasound diagnostic device according to the present invention, a plurality of mutually laminated piezoelectric bodies are electrically connected in parallel to each other, and each of the plurality of piezoelectric bodies arranges an orientation of residual polarization or a crystal axis that is related to an electrical displacement or a sign of an electric field due to a direct piezoelectric effect in a direction which reduces sensitivity in a first resonance mode and increases sensitivity in a second resonance mode of a higher order than the first resonance mode with respect to an axis of a first-level piezoelectric body on a fixed end-side.
    Type: Application
    Filed: February 23, 2011
    Publication date: January 17, 2013
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Yuichi Nishikubo, Kenji Ohnuma, Kiyokazu Morita, Kenji Suzuki, Hidekazu Kodama, Munehiro Date
  • Publication number: 20120310091
    Abstract: The transmitting section of an ultrasound image diagnostic apparatus outputs a square pulse signal to allow a transducer to generate transmission ultrasound. The transmitting section sets the duty ratio of a pulse signal so that one of peaks of the first step response of the transducer which is generated when a change is made to voltage of the pulse signal overlaps with one of peaks of the second step response of the transducer which is generated when another change is made to the voltage of the pulse signal.
    Type: Application
    Filed: May 25, 2012
    Publication date: December 6, 2012
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Kenji OHNUMA, Takayuki SASAKI, Tetsuya TANIGUCHI, Makoto HORIUCHI, Katsumi HOSOKAWA, Kenji SUZUKI, Kikurou NEMOTO, Kazuya OSADA
  • Publication number: 20120004555
    Abstract: Provided is a stretching method of an organic piezoelectric material which sequentially performs a primary stretching step for carrying out primary stretching of an organic piezoelectric material which has not been stretched, a heat treatment step for heat treating the organic piezoelectric material subjected to primary stretching, and a cooling step for carrying out secondary stretching of the heat treated organic piezoelectric material while the organic piezoelectric material is cooled down to the room temperature, and is characterized in that tension is applied continuously to the organic piezoelectric material from the primary stretching step to the cooling step without releasing the tension, and heat treatment is carried out while keeping the tension in a range of 0.1-500 kPa.
    Type: Application
    Filed: March 5, 2010
    Publication date: January 5, 2012
    Applicant: Konica Minolta Medical & Graphic, Inc.
    Inventors: Kenji Ohnuma, Hiromi Akahori, Yuichi Nishikubo
  • Publication number: 20110105903
    Abstract: This invention provides an organic piezoelectric material for constituting an ultrasonic vibrator, which has excellent piezoelectric properties and is suitable in high-frequency and broad bands, an ultrasonic probe using the organic piezoelectric material, and an ultrasonic image diagnosis apparatus for medical application. The organic piezoelectric material is a film-shaped organic piezoelectric material and is characterized in that the organic piezoelectric material is produced by a process comprising performing heat treatment at a temperature at or above room temperature and at or below a temperature of 10° C. below the melting point of the organic piezoelectric material while applying tension and subsequently performing relaxation treatment in a period between the completion of the heat treatment and the time when the material has been cooled to room temperature.
    Type: Application
    Filed: February 25, 2009
    Publication date: May 5, 2011
    Inventor: Kenji Ohnuma
  • Publication number: 20100256497
    Abstract: The present invention is to provide an oscillator for ultrasonic wave reception which is excellent in piezoelectric characteristic and thermal resistance and is suitable for high frequency and broad band, a manufacturing method of the oscillator, an ultrasonic wave probe employing the oscillator, and an ultrasonic wave medical diagnostic imaging system. The oscillator for ultrasonic wave reception of the invention is used in a probe for an ultrasonic wave medical diagnostic imaging system, and comprises a piezoelectric material for ultrasonic wave reception, wherein the piezoelectric material for ultrasonic wave reception is an organic piezoelectric material having vinylidene fluoride as a main component, and the organic piezoelectric material has been heat treated and has a relative dielectric constant in a thickness resonance frequency being 10 or more.
    Type: Application
    Filed: October 10, 2008
    Publication date: October 7, 2010
    Inventor: Kenji Ohnuma
  • Patent number: 7364841
    Abstract: A silver salt photothermographic dry imaging material wherein said material has photographic speeds (1) and (2) determined based on the predetermined conditions and the photographic speed (2) is not more than 1/10 of the photographic speed (1), and the coefficient of determination value R2 of the linear regression line is 0.998-1.000, which is obtained from the predetermined density points having a* and b* arranged in two-dimensional coordinates in which a* is used as the abscicca and b* is used as the coordinate of the CIE 1976 (L*a*b*) color space, b* of the intersection point of the linear regression line with the ordinate is ?5-5, and gradient (a*/b*) is 0.7-2.5.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: April 29, 2008
    Assignee: Konica Minolta & Medical Graphic, Inc.
    Inventors: Tetsuya Suzuki, Hideki Takiguchi, Toshiyuki Marui, Kazuhiko Fujikura, Kazuhito Ihara, Yasuo Taima, Kenji Ohnuma, Hiroto Ito
  • Publication number: 20070054225
    Abstract: A silver salt photothermographic dry imaging material is disclosed, comprising on a support a light-sensitive layer comprising light-insensitive aliphatic carboxylic acid silver salt particles, light-sensitive silver halide grains, a binder and a reducing agent, wherein the reducing agent comprises a compound represented by the following formula and 80 to 100 mol % of total aliphatic carboxylic acid silver salts constituting the aliphatic carboxylic acid silver salt particles is accounted for by silver behenate.
    Type: Application
    Filed: August 24, 2006
    Publication date: March 8, 2007
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Narito GOTO, Kenji OHNUMA
  • Publication number: 20070003886
    Abstract: A silver salt photothermographic dry imaging material wherein said material has photographic speeds (1) and (2) determined based on the predetermined conditions and the photographic speed (2) is not more than 1/10 of the photographic speed (1), and the coefficient of determination value R2 of the linear regression line is 0.998-1.000, which is obtained from the predetermined density points having a* and b* arranged in two-dimensional coordinates in which a* is used as the abscicca and b* is used as the coordinate of the CIE 1976 (L*a*b) color space, b* of the intersection point of the linear regression line with the ordinate is ?5-5, and gradient (a*/b*) is 0.7-2.5.
    Type: Application
    Filed: August 30, 2006
    Publication date: January 4, 2007
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Tetsuya Suzuki, Hideki Takiguchi, Toshiyuki Marui, Kazuhiko Fujikura, Kazuhito Ihara, Yasuo Taima, Kenji Ohnuma, Hiroto Ito
  • Patent number: 7147997
    Abstract: A silver salt photothermographic dry imaging material comprising a support having thereon a photosensitive layer and a polymer layer, wherein the polymer layer comprises a copolymer of: (i) a fluorine containing acrylate or a fluorine containing methacrylate; and (ii) a monomer having a hydrophobic group in the molecule.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: December 12, 2006
    Assignee: Konica Corporation
    Inventors: Akihisa Nakajima, Eiichi Ueda, Shinji Kudo, Kenji Ohnuma, Chiaki Nagaike, Miyuki Teranishi
  • Patent number: 7138225
    Abstract: A silver salt photothermographic dry imaging material wherein said material has photographic speeds (1) and (2) determined based on the predetermined conditions and the photographic speed (2) is not more than 1/10 of the photographic speed (1), and the coefficient of determination value R2 of the linear regression line is 0.998–1.000, which is obtained from the predetermined density points having a* and b* arranged in two-dimensional coordinates in which a* is used as the abscissa and b* is used as the coordinate of the CIE 1076 (L*a*b*) color space, b* of the intersection point of the linear regression line with the ordinate is ?5–5, and gradient (a*/b*) is 0.7–2.5.
    Type: Grant
    Filed: September 2, 2004
    Date of Patent: November 21, 2006
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Tetsuya Suzuki, Hideki Takiguchi, Toshiyuki Marui, Kazuhiko Fujikura, Kazuhito Ihara, Yasuo Taima, Kenji Ohnuma, Hiroto Ito
  • Patent number: 7132227
    Abstract: A silver salt photothermographic dry imaging material including a support provided thereon a light-sensitive layer containing an organic silver salt, light-sensitive silver halide particles and a reducing agent, wherein the dry imaging material contains organic solid lubricant particles having an average particle diameter of 1 to 30 ?m.
    Type: Grant
    Filed: June 15, 2005
    Date of Patent: November 7, 2006
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Kiyokazu Morita, Kenji Ohnuma
  • Patent number: 7022471
    Abstract: An organic silver salt dispersion containing: light-insensitive organic silver salt grains; photosensitive silver halide grains; a solvent; and a binder for dispersion, wherein the organic silver salt is prepared by using: (i) an alkaline metal salt of an organic acid other than a sodium salt; and (ii) a water soluble silver compound, and the binder is a polyvinyl acetal resin having a polymerization degree of 250 to 1000 and prepared by acetal forming reaction of a polyvinylalcohol with an aldehyde.
    Type: Grant
    Filed: August 19, 2004
    Date of Patent: April 4, 2006
    Assignee: Konica Minolta Medical & Graphic Inc.
    Inventor: Kenji Ohnuma
  • Publication number: 20050282095
    Abstract: A silver salt photothermographic dry imaging material including a support provided thereon a light-sensitive layer containing an organic silver salt, light-sensitive silver halide particles and a reducing agent, wherein the dry imaging material contains organic solid lubricant particles having an average particle diameter of 1 to 30 ?m.
    Type: Application
    Filed: June 15, 2005
    Publication date: December 22, 2005
    Inventors: Kiyokazu Morita, Kenji Ohnuma
  • Publication number: 20050064352
    Abstract: A silver salt photothermographic dry imaging material wherein said material has photographic speeds (1) and (2) determined based on the predetermined conditions and the photographic speed (2) is not more than {fraction (1/10)} of the photographic speed (1), and the coefficient of determination value R2 of the linear regression line is 0.998-1.000, which is obtained from the predetermined density points having a* and b* arranged in two-dimensional coordinates in which a* is used as the abscissa and b* is used as the coordinate of the CIE 1076 (L*a*b*) color space, b* of the intersection point of the linear regression line with the ordinate is ?5-5, and gradient (a*/b*) is 0.7-2.5.
    Type: Application
    Filed: September 2, 2004
    Publication date: March 24, 2005
    Applicant: Konica Minolta Medical & Graphic, Inc.
    Inventors: Tetsuya Suzuki, Hideki Takiguchi, Toshiyuki Marui, Kazuhiko Fujikura, Kazuhito Ihara, Yasuo Taima, Kenji Ohnuma, Hiroto Ito
  • Publication number: 20050048423
    Abstract: An organic silver salt dispersion containing: light-insensitive organic silver salt grains; photosensitive silver halide grains; a sulvent; and a binder for dispersion, wherein the organic silver salt is prepared by using: (i) an alkaline metal salt of an organic acid other than a sodium salt; and (ii) a water soluble silver compound, and the binder is a polyvinyl acetal resin having a polymerization degree of 250 to 1000 and prepared by acetal forming reaction of a polyvinylalcohol with an aldehyde.
    Type: Application
    Filed: August 19, 2004
    Publication date: March 3, 2005
    Applicant: Konica Minolta Medical & Graphic, Inc.
    Inventor: Kenji Ohnuma
  • Publication number: 20040063049
    Abstract: A silver salt photothermographic dry imaging material comprising a support having thereon a photosensitive layer and a polymer layer, wherein the polymer layer comprises a copolymer of: (i) a fluorine containing acrylate or a fluorine containing methacrylate; and (ii) a monomer having a hydrophobic group in the molecule.
    Type: Application
    Filed: September 9, 2003
    Publication date: April 1, 2004
    Applicant: Konica Corporation
    Inventors: Akihisa Nakajima, Eiichi Ueda, Shinji Kudo, Kenji Ohnuma, Chiaki Nagaike, Miyuki Teranishi