Patents by Inventor Toshihisa Takeyama

Toshihisa Takeyama 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: 8231534
    Abstract: The ultrasonic transmitter/receiver device comprises a transmission section which transmits ultrasonic waves generated by a piezoelectric element when a transmission signal is inputted, a reception section which is superposed directly or indirectly on the transmission section and outputs a reception signal generated by a piezoelectric element when ultrasonic waves are received, a pair of a transmission signal wire and a transmission grounding wire for supplying the transmission signal to the transmission section, and a pair of a reception signal wire and a reception grounding wire for taking the reception signal from the reception section. The transmission grounding wire and the reception grounding wire are used in common as a common grounding wire. The common grounding wire and the transmission signal wire, and further the common grounding wire and the reception signal wire are disposed on different side surfaces of the transmission section and the reception section superposed with each other.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: July 31, 2012
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Takeshi Habu, Yuji Hosoi, Takayuki Sasaki, Toshihisa Takeyama
  • Publication number: 20100320867
    Abstract: A driving method of an array type ultrasound probe, in which transmission and reception are carried out by changing a voltage load alternatively on the transmission piezoelectric element and the reception piezoelectric element.
    Type: Application
    Filed: August 17, 2010
    Publication date: December 23, 2010
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Takeshi Habu, Takayuki Sasaki, Toshihisa Takeyama
  • Patent number: 7834521
    Abstract: An multi-channel array type ultrasound probe (search unit) disposed at least one-dimensionally, having: a plurality of sheet-shaped piezoelectric elements as transmission reception separation type complex piezoelectric element, wherein a material configuring a transmission piezoelectric element of the complex type piezoelectric element has an elastic coefficient of 10 Gpa to 100 Gpa at 23° C., and a material configuring a reception piezoelectric element of the complex type piezoelectric element has an elastic coefficient of 10 Gpa to 1 Gpa at 23° C.
    Type: Grant
    Filed: June 8, 2007
    Date of Patent: November 16, 2010
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Takeshi Habu, Takayuki Sasaki, Toshihisa Takeyama
  • Publication number: 20100210949
    Abstract: The ultrasonic transmitter/receiver device comprises a transmission section which transmits ultrasonic waves generated by a piezoelectric element when a transmission signal is inputted, a reception section which is superposed directly or indirectly on the transmission section and outputs a reception signal generated by a piezoelectric element when ultrasonic waves are received, a pair of a transmission signal wire and a transmission grounding wire for supplying the transmission signal to the transmission section, and a pair of a reception signal wire and a reception grounding wire for taking the reception signal from the reception section. The transmission grounding wire and the reception grounding wire are used in common as a common grounding wire. The common grounding wire and the transmission signal wire, and further the common grounding wire and the reception signal wire are disposed on different side surfaces of the transmission section and the reception section superposed with each other.
    Type: Application
    Filed: April 23, 2008
    Publication date: August 19, 2010
    Inventors: Takeshi Habu, Yuji Hosoi, Takayuki Sasaki, Toshihisa Takeyama
  • Publication number: 20090238764
    Abstract: A pharmaceutical preparation containing magnetic vesicular particles is disclosed, wherein the magnetic vesicular particles each include magnetic microparticles within a lipid membrane, an organic compound having at least two groups selected from the group consisting of a hydroxyl group, a carboxyl group, a carbamoyl group, an amino group, a mercapto group, a sulfo group, a dithio group, a thiocarboxyl group and a dithiocarboxyl group is bonded to the magnetic microparticle, and the magnetic vesicular particles satisfy the following equation: 0.05?R/(r×100)?1.5 wherein R represents an average grain size of the magnetic vesicular particles and r represents an average particle size of magnetic microparticles included in the magnetic vesicular particles.
    Type: Application
    Filed: June 3, 2009
    Publication date: September 24, 2009
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventor: Toshihisa TAKEYAMA
  • Patent number: 7560097
    Abstract: A pharmaceutical preparation containing magnetic vesicular particles is disclosed, wherein the magnetic vesicular particles each include magnetic microparticles within a lipid membrane, an organic compound having at least two groups selected from the group consisting of a hydroxyl group, a carboxyl group, a carbamoyl group, an amino group, a mercapto group, a sulfo group, a dithio group, a thiocarboxyl group and a dithiocarboxyl group is bonded to the magnetic microparticle, and the magnetic vesicular particles satisfy the following equation: 0.05?R/(r×100)?1.5 wherein R represents an average grain size of the magnetic vesicular particles and r represents an average particle size of magnetic microparticles included in the magnetic vesicular particles.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: July 14, 2009
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventor: Toshihisa Takeyama
  • Publication number: 20080260648
    Abstract: A pharmaceutical preparation containing magnetic vesicular particles is disclosed, wherein the magnetic vesicular particles each include magnetic microparticles within a lipid membrane, an organic compound having at least two groups selected from the group consisting of a hydroxyl group, a carboxyl group, a carbamoyl group, an amino group, a mercapto group, a sulfo group, a dithio group, a thiocarboxyl group and a dithiocarboxyl group is bonded to the magnetic microparticle, and the magnetic vesicular particles satisfy the following equation: 0.05?R/(r×100)?1.5 wherein R represents an average grain size of the magnetic vesicular particles and r represents an average particle size of magnetic microparticles included in the magnetic vesicular particles.
    Type: Application
    Filed: October 26, 2007
    Publication date: October 23, 2008
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventor: Toshihisa Takeyama
  • Patent number: 7427393
    Abstract: A pharmaceutical preparation containing magnetic vesicular particles is disclosed, wherein the magnetic vesicular particles each include magnetic microparticles within a lipid membrane, an organic compound having at least two groups selected from the group consisting of a hydroxyl group, a carboxyl group, a carbamoyl group, an amino group, a mercapto group, a sulfo group, a dithio group, a thiocarboxyl group and a dithiocarboxyl group is bonded to the magnetic microparticle, and the magnetic vesicular particles satisfy the following equation: 0.05?R/(r×100)?1.5 wherein R represents an average grain size of the magnetic vesicular particles and r represents an average particle size of magnetic microparticles included in the magnetic vesicular particles.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: September 23, 2008
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventor: Toshihisa Takeyama
  • Publication number: 20080182177
    Abstract: A method for producing a holographic recording medium having a holographic recording layer between a first substrate and a second substrate including the steps of: providing a holographic recording layer forming composition onto the first substrate, forming the holographic recording layer between the first and substrate and the second substrate by facing the second substrate to the first substrate, and hardening the holographic recording layer by at least one of heat and light.
    Type: Application
    Filed: March 13, 2008
    Publication date: July 31, 2008
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventor: Toshihisa Takeyama
  • Publication number: 20080166567
    Abstract: A piezoelectric element is disclosed, comprising at least two electrodes having therebetween a high-dielectric layer and a low-dielectric layer, wherein the high-dielectric layer is comprised of an organic material. An ultrasonic probe for transmitting and receiving ultrasonic waves is also disclosed, comprising the piezoelectric element.
    Type: Application
    Filed: December 28, 2007
    Publication date: July 10, 2008
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Takeshi HABU, Yuji HOSOI, Takayuki SASAKI, Toshihisa TAKEYAMA
  • Patent number: 7397594
    Abstract: A display element containing: (a) a first electrode which is transparent and is controlled by a driver element; (b) a second electrode; and (c) a solid polymer electrolyte layer containing a colorant and metal ions, the solid polymer electrolyte layer being provided between the first electrode and the second electrode, wherein the first electrode has an anti-reflecting layer on a side opposite to the solid polymer electrolyte layer.
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: July 8, 2008
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Toshihisa Takeyama
  • Publication number: 20080103395
    Abstract: An multi-channel array type ultrasound probe (search unit) disposed at least one-dimensionally, having: a plurality of sheet-shaped piezoelectric elements as transmission reception separation type complex piezoelectric element, wherein a material configuring a transmission piezoelectric element of the complex type piezoelectric element has an elastic coefficient of 10 Gpa to 100 Gpa at 23° C., and a material configuring a reception piezoelectric element of the complex type piezoelectric element has an elastic coefficient of 10 Gpa to 1 Gpa at 23° C.
    Type: Application
    Filed: June 8, 2007
    Publication date: May 1, 2008
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Takeshi Habu, Takayuki Sasaki, Toshihisa Takeyama
  • Patent number: 7362523
    Abstract: A method for producing a holographic recording medium having a holographic recording layer between a first substrate and a second substrate including the steps of: providing a holographic recording layer forming composition onto the first substrate, forming the holographic recording layer between the first substrate and the second substrate by facing the second substrate to the first substrate, and hardening the holographic recording layer by at least one of heat and light.
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: April 22, 2008
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventor: Toshihisa Takeyama
  • Publication number: 20080068685
    Abstract: A holographic recording medium, with a first substrate shaped in a disk and having a hole at a central portion thereof; and a second substrate shaped in a disk, having a hole at a central portion thereof and arranged to face the first substrate. The recording medium includes a space retaining member for retaining a predetermined distance between the first and second substrates; and a holographic recording layer provided in the space between the first and second substrates.
    Type: Application
    Filed: October 29, 2007
    Publication date: March 20, 2008
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventor: Toshihisa Takeyama
  • Publication number: 20070224413
    Abstract: A transparent barrier sheet comprising: (a) a substrate sheet having thereon a transparent primer layer; (b) a transparent inorganic thin layer; and (c) a transparent organic thin layer, wherein the transparent organic thin layer is formed by polymerizing a composition comprising: (i) a compound having an oxetane ring; and (ii) a compound having an oxirane ring.
    Type: Application
    Filed: March 21, 2007
    Publication date: September 27, 2007
    Inventor: Toshihisa Takeyama
  • Publication number: 20070224428
    Abstract: A transparent barrier sheet comprising: (a) a substrate; (b) a transparent inorganic thin layer; and (c) a transparent organic thin layer, wherein the transparent organic thin layer is formed by cross-linking: (i) a first compound having three or more isocyanate groups in the molecule; and (ii) a second compound having two or more hydroxyl groups in the molecule.
    Type: Application
    Filed: March 21, 2007
    Publication date: September 27, 2007
    Inventor: Toshihisa Takeyama
  • Publication number: 20070224392
    Abstract: A transparent barrier sheet comprising: (a) a substrate sheet having thereon a transparent primer layer; (b) a transparent inorganic thin layer; and (c) a transparent organic thin layer, wherein: the transparent inorganic thin layer comprises silicon nitride or silicon oxy-nitride; the transparent organic thin layer is formed by polymerizing a radically polymerizable compound or a cationically polymerizable compound; and the transparent primer layer on the substrate has a surface rouhgness Ra of 5 nm or less.
    Type: Application
    Filed: March 21, 2007
    Publication date: September 27, 2007
    Inventor: Toshihisa Takeyama
  • Publication number: 20070224394
    Abstract: A transparent barrier sheet is disclosed, comprising a substrate sheet having on the substrate sheet a primer layer and further on the primer layer at least one transparent inorganic layer and at least one transparent organic layer as the outermost layer, and the barrier sheet meets the following equation: 10?Ra3×100/Ra1<60 wherein Ra1 is a surface roughness Ra of the primer layer and Ra3 is a surface roughness Ra of the outermost organic layer.
    Type: Application
    Filed: March 21, 2007
    Publication date: September 27, 2007
    Inventor: Toshihisa Takeyama
  • Publication number: 20070224393
    Abstract: A transparent barrier sheet comprising on one side of a substrate sheet at least one transparent inorganic layer and at least one transparent organic layer, wherein an outermost layer of the inorganic layer and the organic layer exhibits a surface roughness Ra of not more than 5 nm and the transparent inorganic layer exhibits a thickness of 20 nm to 500 nm, and the transparent barrier sheet meeting the requirement: 0.5?d2/d1?10 wherein d1 is a thickness of the inorganic layer and d2 is a thickness of the organic layer.
    Type: Application
    Filed: March 21, 2007
    Publication date: September 27, 2007
    Inventor: Toshihisa Takeyama
  • Publication number: 20060171894
    Abstract: A pharmaceutical preparation comprising magnetic vesicular particles, wherein the magnetic vesicular particles each include one or more magnetic microparticles within a lipid membrane, the magnetic microparticle having particulate gold attached to the surface of the magnetic microparticles and further having an organic compound bound to the particulate gold; and the vesicular particles meet the following requirement: 0.02?R/(r×100)?0.03 wherein R is an average particle size of the magnetic vesicular particles and r is an average particle size of the magnetic microparticles included in the magnetic vesicular particles.
    Type: Application
    Filed: January 25, 2006
    Publication date: August 3, 2006
    Inventor: Toshihisa Takeyama