Patents by Inventor Miyuki Murakami

Miyuki Murakami 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: 20200049624
    Abstract: A measurement apparatus includes: a projector configured to project pulse light or light whose intensity is periodically modulated onto a subject; an imaging sensor that includes a plurality of pixels, the imaging sensor being configured to image backscattered light of the light projected by the projector from the subject a plurality of times to output a plurality of image signals; a selection circuit configured to select, for each of the pixels, an image signal closest to a reference light amount from the plurality of image signals; and a characteristic calculation circuit configured to calculate, for each of the pixels, TOF information obtained when the image signal selected by the selection circuit is imaged, acquire light intensity information of the light projected by the projector, and calculate a characteristic of the subject based on the calculated TOF information and the acquired light intensity information.
    Type: Application
    Filed: October 22, 2019
    Publication date: February 13, 2020
    Applicant: OLYMPUS CORPORATION
    Inventor: Miyuki MURAKAMI
  • Patent number: 10544098
    Abstract: A target bipyridine compound is synthesized with high purity and a high yield in a simple and safe manner in a short period of time. A method for synthesizing a di-tert-butyl-2,2?-bipyridine compound is provided, and the method includes a step of reacting, in a reaction solvent, a tert-butylpyridine compound with a dispersion product obtained by dispersing an alkali metal in a dispersion solvent. A method for synthesizing a bipyridine compound having no substituents is also provided, and the method includes a step of reacting, in a reaction solvent, pyridine with a dispersion product obtained by dispersing an alkali metal in a dispersion solvent.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: January 28, 2020
    Assignee: Kobelco Eco-Solutions Co., Ltd.
    Inventors: Yoshiaki Murakami, Yukihiro Goto, Miyuki Fukushima, Kazuhiko Takai, Sobi Asako
  • Publication number: 20190359571
    Abstract: There is a demand for the development of a technique according to which sodium 2,2,6,6-tetramethylpiperidides (Na-TMPs) can be economically and efficiently synthesized through simple operations including a small number of steps under mild conditions in a short period of time. Also, there is a demand for the development of a technique according to which high-quality Na-TMPs that do not contain lithium or lithium compounds such as Li-TMP can be synthesized. The method for synthesizing sodium 2,2,6,6-tetramethylpiperidides includes a step of obtaining sodium 2,2,6,6-tetramethylpiperidides by reacting, in a reaction solvent, 2,2,6,6-tetramethylpiperidines with a dispersion product obtained by dispersing sodium in a dispersion solvent or an organosodium compound having an aromatic ring obtained through a reaction with a dispersion product obtained by dispersing sodium in a dispersion solvent.
    Type: Application
    Filed: January 24, 2018
    Publication date: November 28, 2019
    Inventors: Yoshiaki MURAKAMI, Miyuki FUKUSHIMA, Kazuhiko TAKAI, Sobi ASAKO
  • Publication number: 20190033070
    Abstract: A measuring apparatus includes: a light source device that projects light or light of which intensity is periodically modulated onto a measurement object; a light receiver that receives backscattered light of light projected by the light source device from the measurement object; and a processor comprising hardware, the processor being configured to: measure TOF information of the light projected by the light source device and the backscattered light received by the light receiver; acquire distances from a surface of the measurement object to the light source device and the light receiver; and calculate an internal propagation distance in the measurement object according to the measured TOF information and the acquired distances.
    Type: Application
    Filed: September 24, 2018
    Publication date: January 31, 2019
    Applicant: OLYMPUS CORPORATION
    Inventor: Miyuki MURAKAMI
  • Publication number: 20170303987
    Abstract: Provided is an ultrasonic treatment apparatus provided with: a treatment-ultrasonic-wave irradiator that irradiates the biological tissue with focused ultrasonic waves, thus heating the vicinity of a focal point of the focused ultrasonic waves at a deep portion of the biological tissue to a temperature that is equal to or greater than a thermal-denaturation temperature of the biological tissue; and a pre-heating-energy irradiator that irradiates the biological tissue with energy waves, thus heating the vicinity of the focal point to a temperature that is less than the thermal-denaturation temperature, wherein the pre-heating-energy irradiator irradiates the biological tissue with the energy waves from a direction different from the direction in which the treatment-ultrasonic-wave irradiator irradiates with the focused ultrasonic waves.
    Type: Application
    Filed: July 12, 2017
    Publication date: October 26, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Kei HORIE, Miyuki MURAKAMI
  • Publication number: 20150375017
    Abstract: Treatment is provided at an ideal timing. Provided is an ultrasonic treatment apparatus including: a therapeutic-ultrasound-wave radiating portion that radiates therapeutic ultrasound waves for causing an ultrasonic treatment material having a tendency to accumulate in an affected area to exert a therapeutic effect; an accumulation determining portion that determines whether or not the ultrasonic treatment material has accumulated in the affected area; and a determination-result presenting portion that presents a determination result obtained by the accumulation determining portion.
    Type: Application
    Filed: July 1, 2015
    Publication date: December 31, 2015
    Applicants: THE UNIVERSITY OF TOKYO, OLYMPUS CORPORATION
    Inventors: Miyuki MURAKAMI, Satoshi YAMAGUCHI, Teruyuki NAGAMUNE, Kosuke MINAMIHATA
  • Publication number: 20150328343
    Abstract: Provided is a contrast medium comprising at least one molecular probe and at least one optical probe on a surface of a substrate having an ultrasound imaging function. More specifically, a contrast medium having sensitivity to not only ultrasound but also light excellent in real-time imaging and resolution and having a size sufficient to travel into tissues through blood vessel can be provided by labelling an ultrasound imageable substrate with a molecular probe and an optical probe.
    Type: Application
    Filed: July 29, 2015
    Publication date: November 19, 2015
    Applicants: THE UNIVERSITY OF TOKYO, OLYMPUS CORPORATION
    Inventors: Miyuki Murakami, Satoshi Yamaguchi, Teruyuki Nagamune, Mariko Iijima, Yoshikazu Shibasaki
  • Patent number: 9144416
    Abstract: Arrhythmia is treated with a simple treatment. Provided is an ultrasonic treatment apparatus including a long, thin probe to be inserted into a body, the probe having a contact surface that is brought into contact with tissue in the body and an ultrasonic generating device that radiates ultrasonic waves into the tissue through the contact surface; and a signal detecting portion that is provided at the contact surface of the probe and detects an electrical signal from the tissue. The ultrasonic generating device generates ultrasonic waves focused at a position on the other side of the contact surface from the ultrasonic generating device, the position being away from the contact surface in a direction intersecting the contact surface.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: September 29, 2015
    Assignee: OLYMPUS CORPORATION
    Inventor: Miyuki Murakami
  • Patent number: 8930169
    Abstract: A capacitive ultrasonic transducer (c-MUT) comprising a silicon substrate and a transducer element which comprises transducer cells, each of which is constituted by a first electrode equipped on the top surface of the silicon substrate, a second electrode placed opposite to the first electrode with a predetermined gap therefrom and a membrane for supporting the second electrode, wherein a trench is equipped between the adjacent transducers and a conductive film is formed in the trench.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: January 6, 2015
    Assignee: Olympus Corporation
    Inventors: Hideo Adachi, Katsuhiro Wakabayashi, Akiko Mizunuma, Atsushi Osawa, Tatsuo Kaimai, Shinji Yasunaga, Kiyoshi Nemoto, Miyuki Murakami, Kousei Tamiya, Yu Kondo
  • Patent number: 8886106
    Abstract: An object is to provide an intermediate transfer belt and a method for producing the same which inhibits fine toner dots in white area in an environment of low temperature and low humidity and further, inhibits roughness of image with long-term use. An intermediate transfer belt for an electrophotographic image forming apparatus comprising a polyimide having a dispersed conductive filler, wherein the polyimide contains a unit structure represented by Formula (1); wherein X represents a group selected from Formulas (a) to (e), n, m, l each represents 0 or 1, and at least one of m and l is 1, wherein p in Formula (c) and q in Formula (e) each is an integer of 1 to 5.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: November 11, 2014
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Miyuki Murakami, Susumu Sudo
  • Patent number: 8867314
    Abstract: An ultrasonic probe device includes capacitive micromachined ultrasonic transducers, a band control unit and a bias voltage change unit. Each of the transducers belongs to one of groups, each of the groups includes at least one of the transducers. The band control unit determines the bias voltage value which varies for each of the groups, and a timing to apply the direct-current bias voltage having the bias voltage value so that all frequencies included in an operating frequency are transmitted and/or received by the ultrasonic probe device during an operation period. The bias voltage change unit changes the direct-current bias voltage to be applied to the capacitive micromachined ultrasonic transducers in accordance with the bias voltage value and the timing.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: October 21, 2014
    Assignee: Olympus Corporation
    Inventor: Miyuki Murakami
  • Patent number: 8841051
    Abstract: Provided is a full color image forming method wherein high color reproducibility especially on a blue system and a green system can be obtained and an excellent gradation property can be obtained in a full color image to be obtained. The full color image forming method for forming a full color image by using at least yellow toner, magenta toner, and two kinds of cyan toners (1, 2) is characterized in that a toner image formed by the cyan toner (1) alone has the value of the maximum color saturation (C*) of not less than 50 and the value of lightness (L*) in a color space represented by an L*a*b* colorimetric system of not less than 30 and not more than 52, and that a toner image formed by the cyan toner (2) alone has the value of the maximum color saturation (C*) of not less than 50 and the value of the lightness (L*) in the color space represented by the L*a*b* colorimetric system of not less than 58 and not more than 75.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: September 23, 2014
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Shiro Hirano, Naohiro Hirose, Kaori Soeda, Miyuki Murakami, Youhei Ohno
  • Publication number: 20140221834
    Abstract: Operative duration is shortened, and strain on a patient is reduced. Provided is a catheter insertion assist device comprising an ultrasonic element arranged at a tip of an insertion portion to be inserted into the body, and emitting an ultrasonic wave toward outside the insertion portion; and a guide portion for guiding a catheter so as to protrude the catheter toward a region irradiated with an ultrasonic wave from the ultrasonic element.
    Type: Application
    Filed: April 15, 2014
    Publication date: August 7, 2014
    Applicant: OLYMPUS CORPORATION
    Inventor: Miyuki MURAKAMI
  • Publication number: 20140107536
    Abstract: An ultrasonic irradiation apparatus includes an ultrasonic emission part, an ultrasonic reception part, a low frequency signal detector, and a condition change unit. The ultrasonic emission part emits a first ultrasonic wave including a first frequency component having a frequency of f toward a target portion based on an ultrasonic setting value where f is a positive real number. The ultrasonic reception part receives a second ultrasonic wave which travels in a direction from the target portion. The low frequency signal detector detects a low frequency signal included in the second ultrasonic wave, the lower frequency signal having a frequency not greater than f/r where r is a real number and is greater than 2. The condition change unit changes the ultrasonic setting value based on the low frequency signal.
    Type: Application
    Filed: December 12, 2013
    Publication date: April 17, 2014
    Applicant: OLYMPUS CORPORATION
    Inventor: Miyuki MURAKAMI
  • Publication number: 20140107540
    Abstract: An ultrasonic irradiation apparatus irradiates an ultrasonic wave to a target portion where micro bubbles or micro grains which reflect or scatter an ultrasonic wave exist. The apparatus includes an input unit, a drive signal setting unit, and an ultrasonic emission unit. The input unit receives information about a resonance frequency of fB of the micro bubbles or the micro grains where fB is a positive real number. The drive signal setting unit generates a drive signal including a signal component whose frequency is f=n×fB where n is an integer not smaller than 2. The ultrasonic emission unit emits the ultrasonic wave including a sonic wave component whose frequency is the f based on the drive signal.
    Type: Application
    Filed: December 19, 2013
    Publication date: April 17, 2014
    Applicant: OLYMPUS CORPORATION
    Inventor: Miyuki MURAKAMI
  • Patent number: 8668875
    Abstract: A stirring device and an analyzing device for stirring a liquid retained in a vessel with sound wave. The Stirring device (20) comprises: a surface acoustic wave element (24) having sound generation section (24b, 24c) located on a piezoelectric substrate (24a) wherein the sound generation sections are electrically connected in parallel, and center frequencies of respective fundamental waves of the sound generation sections differ from each other, respective resonant frequency bands of the sound generation section are partially overlapped with each other, and origins of acoustic stream caused by sound wave radiated to the vessel from different sound generation section are located alternately; and a drive control section (21) for controlling a frequency of drive signal input to the surface acoustic wave element so that at least two sound generation sections of the plurality of sound generation sections generate sound wave simultaneously.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: March 11, 2014
    Assignee: Beckman Coulter, Inc.
    Inventor: Miyuki Murakami
  • Patent number: 8663884
    Abstract: An orange toner for developing electrostatic charge images includes a binder resin; and a colorant including a first color material and a second color material; wherein the first color material has a hue angle of ?20° to 80° in a L*a*b* color system, the second color material includes C.I. Solvent Orange 63, and the second color material has a content of 0.05 to 0.2 parts by mass to 100 parts by mass of the binder resin.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: March 4, 2014
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Yohei Ohno, Kaori Soeda, Miyuki Murakami
  • Publication number: 20130261461
    Abstract: Arrhythmia is treated with a simple treatment. Provided is an ultrasonic treatment apparatus including a long, thin probe to be inserted into a body, the probe having a contact surface that is brought into contact with tissue in the body and an ultrasonic generating device that radiates ultrasonic waves into the tissue through the contact surface; and a signal detecting portion that is provided at the contact surface of the probe and detects an electrical signal from the tissue. The ultrasonic generating device generates ultrasonic waves focused at a position on the other side of the contact surface from the ultrasonic generating device, the position being away from the contact surface in a direction intersecting the contact surface.
    Type: Application
    Filed: March 19, 2013
    Publication date: October 3, 2013
    Applicant: OLYMPUS CORPORATION
    Inventor: Miyuki MURAKAMI
  • Patent number: 8496884
    Abstract: A stirring container in which liquid is contained is used in an analyzer for measuring a property of the liquid. The stirring container includes a recessed portion in which the liquid is held so that a meniscus is formed; and a sound wave generating unit disposed outside of a wall portion forming the recessed portion, and generates surface sound waves for stirring the liquid. The wall portion is configured so that a rising of the meniscus is lower than a rising of the meniscus formed by the liquid held in an assumed container whose cross section in a direction orthogonal to a depth direction of the recessed portion is the same as that of a circumscribed rectangle. The circumscribed rectangle is circumscribed about a portion, made of a same material as a part of the wall portion where the meniscus is formed, where the meniscus is formed in the relevant direction.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: July 30, 2013
    Assignee: Beckman Coulter, Inc.
    Inventor: Miyuki Murakami
  • Patent number: 8430555
    Abstract: Provided are an agitation apparatus, a vessel, and an analysis apparatus including the agitation apparatus that have excellent energy transmission efficiency, and simplified structure allowing downsizing, and are easy to perform maintenance. An agitation apparatus (20), a vessel (5), and an analysis apparatus (1) including the agitation apparatus agitate a liquid retained in the vessel (5) using sound waves. The agitation apparatus (20) includes a power transmitter (21) that transmits power, an electric terminal (24c) that receives the power transmitted from the power transmitter and changes a relative arrangement with respect to the power transmitter when an arrangement of at least one of the power transmitter and the electric terminal (24c) changes, and a sound wave generator (24b) that generates sound waves by converting the power received by the electric terminal (24c) to agitate the liquid.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: April 30, 2013
    Assignee: Beckman Coulter, Inc.
    Inventors: Miyuki Murakami, Nobuyoshi Tsuda