Patents by Inventor Masanao Hara

Masanao Hara 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: 20240102908
    Abstract: This optical cell for sedimentation analysis has a pair of opposing surfaces through which light is transmitted, and two polarizing plates, in which each of the two polarizing plates is disposed in a crossed Nicols state on each of the inner surfaces of the pair of opposing surfaces.
    Type: Application
    Filed: December 15, 2021
    Publication date: March 28, 2024
    Applicant: RESONAC CORPORATION
    Inventors: Yasunao MIYAMURA, Ayako NISHIOKA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Publication number: 20240060888
    Abstract: The present method for evaluating an orientation of silver nanowires is a method for measuring an orientation of silver nanowires included in a polyvinyl alcohol film, the method including measuring, using linearly polarized near-infrared light, a first transmittance T1 for polarized light perpendicular to an orientation direction of silver nanowires and a second transmittance T0 for polarized light parallel to the orientation direction of the silver nanowires in a polyvinyl alcohol film including the silver nanowires, and determining an orientation to be high in a case where a ratio (T1/T0) of the first transmittance T1 to the second transmittance T0 is greater than 1, and determining the orientation to be low in a case where the ratio is close to 1.
    Type: Application
    Filed: December 15, 2021
    Publication date: February 22, 2024
    Applicant: Resonac Corporation
    Inventors: Yasunao MIYAMURA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Patent number: 11899038
    Abstract: An acceleration sensor is provided in which a sensitive color plate is provided between two polarizing plates that are in a crossed Nicol disposition, and a silver nanowire dispersion is disposed between the sensitive color plate and one of the polarizing plates.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: February 13, 2024
    Assignee: Resonac Corporation
    Inventors: Yasunao Miyamura, Yasushi Kadowaki, Kuniaki Yamatake, Masanao Hara, Shigeru Yamaki, Hideki Ohata
  • Publication number: 20230055947
    Abstract: An acceleration sensor is provided in which a sensitive color plate is provided between two polarizing plates that are in a crossed Nicol disposition, and a silver nanowire dispersion is disposed between the sensitive color plate and one of the polarizing plates.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 23, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasunao MIYAMURA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Publication number: 20230046460
    Abstract: In a method for producing a high-molecular-weight polymer sheet, when a monomer composition including silver nanowires is polymerized, the monomer composition is allowed to stand in a state in which a thickness direction of the obtained high-molecular-weight polymer sheet before the polymerization is a vertical direction, and the silver nanowires in the monomer composition are oriented in the vertical direction and polymerized.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 16, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasunao MIYAMURA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Publication number: 20230027915
    Abstract: The present invention provides a production method of a polymerized polymer containing a silver nanowire, including a preparation step of preparing a monomer composition containing the silver nanowire, a polymerization step of performing polymerization of the monomer composition containing the silver nanowire, and a standing step of leaving the monomer composition to stand which is performed between the preparation step and the polymerization step, in which a start of the polymerization step is determined in the standing step based on an orientation state in a vertical direction of the silver nanowire in the monomer composition as an index.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 26, 2023
    Applicant: SHOWA DENKO K.K
    Inventors: Yasunao MIYAMURA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Publication number: 20230025211
    Abstract: An evaluation method includes a step of disposing a sensitive color plate between two polarization plates disposed in a crossed Nicols shape, a step of disposing a measurement material that is a transparent material containing a nanowire between any of one polarization plate or the other polarization plate of the polarization plates and the sensitive color plate, a step of making white light incident from a side of one of the disposed polarization plates, a step of observing a color of the measurement material from a side of the other polarization plate, and a step of evaluating an orientation direction of the nanowire from the color of the measurement material obtained by observation.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 26, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasunao MIYAMURA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Patent number: 11247271
    Abstract: A method for producing metal nanowire of small diameter and long length. In the method for producing a metal nanowire, a first solution containing an ionic derivative and a polyol as a solvent are kept at 80-200° C., and a second solution containing a metal salt and a polyol as a solvent is supplied into the first solution so that the ratio between the number of moles of metal atoms in the metal salt supplied in one minute and the total number of moles of halogen atoms in the ionic derivative in the first solution (the number of moles of metal atoms in the metal salt supplied in one minute/the total number of moles of halogen atoms in the ionic derivative) is less than 10. It is preferable that the ionic derivative is a quaternary ammonium halide and the metal salt is silver nitrate.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: February 15, 2022
    Assignee: SHOWA DENKO K.K.
    Inventors: Masanao Hara, Shigeru Yamaki, Hiroshi Uchida
  • Patent number: 10575711
    Abstract: Destination management processing units (13,23) of a video processor and a peripheral device each perform destination management processing in a communication between the video processor and the peripheral device. A plurality of communication processing units are situated above the destination management processing unit, respectively correspond to functions of a plurality of peripheral devices, and each process a command. When the destination management processing unit transmits a command, the destination management processing unit adds, to the command to be transmitted, destination information that indicates which of the plurality of communication processing units is to be used.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: March 3, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Takahiro Narasawa, Akihiro Ukai, Yasuhisa Seki, Masanao Hara
  • Patent number: 10099291
    Abstract: Provided are a metal nanowire production method capable of producing long and thin metal nanowires, and metal nanowires produced thereby. A metal nanowire production method comprising, a step for preparing a solution containing a metal salt, a polymer, at least one selected from a group consisting of halides, sulfides, carbonates, and sulfates, and an aliphatic alcohol, and a step for heating and reacting the solution at the temperature of 100° C. to 250° C. for 10 minutes or more while maintaining a practical shear stress applied to the solution at 10 mPa·m or less, wherein, during the heating and reacting step, ultraviolet-visible absorption spectrum change of the solution is measured, and a reaction time is controlled on the basis of the ultraviolet-visible absorption spectrum information.
    Type: Grant
    Filed: May 26, 2014
    Date of Patent: October 16, 2018
    Assignees: SHOWA DENKO K.K., OSAKA UNIVERSITY
    Inventors: Katsuaki Suganuma, Jinting Jiu, Masaya Nogi, Tohru Sugahara, Teppei Araki, Hiroshi Uchida, Hideki Ohata, Masanao Hara, Eri Okazaki
  • Publication number: 20180281073
    Abstract: A method for producing metal nanowire of small diameter and long length. In the method for producing a metal nanowire, a first solution containing an ionic derivative and a polyol as a solvent are kept at 80-200° C., and a second solution containing a metal salt and a polyol as a solvent is supplied into the first solution so that the ratio between the number of moles of metal atoms in the metal salt supplied in one minute and the total number of moles of halogen atoms in the ionic derivative in the first solution (the number of moles of metal atoms in the metal salt supplied in one minute/the total number of moles of halogen atoms in the ionic derivative) is less than 10. It is preferable that the ionic derivative is a quaternary ammonium halide and the metal salt is silver nitrate.
    Type: Application
    Filed: September 27, 2016
    Publication date: October 4, 2018
    Applicant: SHOWA DENKO K.K.
    Inventors: Masanao HARA, Shigeru YAMAKI, Hiroshi UCHIDA
  • Patent number: 9977863
    Abstract: An image processing device includes: a reading unit that reads an image, image identification information (image ID), and medium identification information (medium ID) from the removable medium; a transmitting unit that transmits, to a server, the image ID and the medium ID that have been read by the reading unit; a receiving unit that receives, from the server, the patient information that corresponds to the image ID and the medium ID that have been transmitted by the transmitting unit, or information indicating no existing corresponding patient information; and a display control unit that displays, on a display device, the image read by the reading unit and the patient information received by the receiving unit, or the image read by the reading unit.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: May 22, 2018
    Assignee: OLYMPUS CORPORATION
    Inventors: Akihiro Ukai, Masanao Hara, Ken Suzuki, Takahiro Narasawa, Katsuhiko Nameta, Yasuhiko Okada, Keiichiro Tawara, Yasuhisa Seki
  • Patent number: 9875338
    Abstract: A medical device system includes a first medical device, a first memory corresponding to the first medical device, a second medical device, and a second memory corresponding to the second medical device, wherein the first medical device includes a first writing unit that dynamically writes, into an area included in the first memory, definition data that defines a method for using the area and data corresponding to the definition data, and the second medical device includes a second writing unit that dynamically writes, into an area included in the second memory, definition data that defines a method for using the area and data corresponding to the definition data.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: January 23, 2018
    Assignee: OLYMPUS CORPORATION
    Inventors: Takahiro Narasawa, Akihiro Ukai, Yasuhisa Seki, Masanao Hara
  • Publication number: 20170280968
    Abstract: Destination management processing units (13,23) of a video processor and a peripheral device each perform destination management processing in a communication between the video processor and the peripheral device. A plurality of communication processing units are situated above the destination management processing unit, respectively correspond to functions of a plurality of peripheral devices, and each process a command. When the destination management processing unit transmits a command, the destination management processing unit adds, to the command to be transmitted, destination information that indicates which of the plurality of communication processing units is to be used.
    Type: Application
    Filed: June 19, 2017
    Publication date: October 5, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Takahiro NARASAWA, Akihiro UKAI, Yasuhisa SEKI, Masanao HARA
  • Publication number: 20170193166
    Abstract: A medical device system includes a first medical device, a first memory corresponding to the first medical device, a second medical device, and a second memory corresponding to the second medical device, wherein the first medical device includes a first writing unit that dynamically writes, into an area included in the first memory, definition data that defines a method for using the area and data corresponding to the definition data, and the second medical device includes a second writing unit that dynamically writes, into an area included in the second memory, definition data that defines a method for using the area and data corresponding to the definition data.
    Type: Application
    Filed: March 23, 2017
    Publication date: July 6, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Takahiro NARASAWA, Akihiro UKAI, Yasuhisa SEKI, Masanao HARA
  • Publication number: 20160217255
    Abstract: An image processing device includes: a reading unit that reads an image, image identification information (image ID), and medium identification information (medium ID) from the removable medium; a transmitting unit that transmits, to a server, the image ID and the medium ID that have been read by the reading unit; a receiving unit that receives, from the server, the patient information that corresponds to the image ID and the medium ID that have been transmitted by the transmitting unit, or information indicating no existing corresponding patient information; and a display control unit that displays, on a display device, the image read by the reading unit and the patient information received by the receiving unit, or the image read by the reading unit.
    Type: Application
    Filed: April 7, 2016
    Publication date: July 28, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Akihiro UKAI, Masanao HARA, Ken SUZUKI, Takahiro NARASAWA, Katsuhiko NAMETA, Yasuhiko OKADA, Keiichiro TAWARA, Yasuhisa SEKI
  • Publication number: 20160133350
    Abstract: Provided is a conductive resin composition for microwave heating capable of suppressing the generation of sparks when microwave heating is performed. A conductive resin composition for microwave heating comprising a non-carbonaceous conductive filler, a curable and insulating binder resin, and a carbonaceous material having a higher volume resistivity value than the non-carbonaceous conductive filler, the carbonaceous material having an aspect ratio of 20 or less, and the content of the carbonaceous material being 1 to 20 parts by mass, relative to the total of 100 parts by mass of the non-carbonaceous conductive filler and the curable and insulating binder resin. The carbonaceous material efficiently absorbs the microwave, and thus, when the microwave is irradiated to heat and cure the conductive resin composition, generation of sparks can be suppressed.
    Type: Application
    Filed: May 29, 2014
    Publication date: May 12, 2016
    Applicant: SHOWA DENKO K.K.
    Inventors: Hiroshi UCHIDA, Shoichiro WAKABAYASHI, Masanao HARA, Jun DOU
  • Publication number: 20160121403
    Abstract: Provided are a metal nanowire production method capable of producing long and thin metal nanowires, and metal nanowires produced thereby. A metal nanowire production method comprising, a step for preparing a solution containing a metal salt, a polymer, at least one selected from a group consisting of halides, sulfides, carbonates, and sulfates, and an aliphatic alcohol, and a step for heating and reacting the solution at the temperature of 100° C. to 250° C. for 10 minutes or more while maintaining a practical shear stress applied to the solution at 10 mPa·m or less, wherein, during the heating and reacting step, ultraviolet-visible absorption spectrum change of the solution is measured, and a reaction time is controlled on the basis of the ultraviolet-visible absorption spectrum information.
    Type: Application
    Filed: May 26, 2014
    Publication date: May 5, 2016
    Applicants: SHOWA DENKO K.K., OSAKA UNIVERSITY
    Inventors: Katsuaki SUGANUMA, Jinting JIU, Masaya NOGI, Tohru SUGAHARA, Teppei ARAKI, Hiroshi UCHIDA, Hideki OHATA, Masanao HARA, Eri OKAZAKI
  • Patent number: 9034997
    Abstract: Provided is a fluorine- and epoxy group-containing copolymer with excellent workability at room temperature, high water-repellency, and excellent characteristics as a water vapor barrier. Also provided is an efficient method for producing said copolymer. The fluorine and epoxy group-containing copolymer is characterized by containing at least a monomer unit represented by general formula (1): {Therein, R1-R10 each independently represent an alkyl group having 1-3 carbon atoms or a hydrogen atom, R11 is a hydrogen atom, methyl group, or phenyl group, and R5 or R6 can be linked with R7 or R8 to form a ring.} and a monomer unit represented by general formula (2): {Therein, R12 and R13 each independently represent a hydrogen atom or a fluorine atom; R14 represents a hydrogen atom, fluorine atom, methyl group or trifluoromethyl group, and R15 represents a flourine atom or perfluoro group having at most 12 carbon atoms}.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: May 19, 2015
    Assignee: Showa Denko K.K.
    Inventors: Hiroshi Uchida, Masanao Hara
  • Patent number: 8957136
    Abstract: There is provided an epoxy group-containing silicone condensate that yields cured products with excellent transparency, thermal resistance and gas barrier properties. An epoxysilicone condensate which is the product of hydrolytic condensation of an epoxy group-containing alkoxysilane compound represented by formula (1): and an alkoxysilane compound represented by formula (2): Si(OR12)mR134-m??(2) wherein when the number of moles of the epoxy group-containing alkoxysilane compound (1) is x and the number of moles of the alkoxysilane compound (2) is y, 0.2?my/nx?0.7, a curable composition comprising the condensate, and a cured product of the composition.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: February 17, 2015
    Assignee: Showa Denko K.K.
    Inventors: Masanao Hara, Hiroshi Uchida