Patents by Inventor Mitsumasa Hamano

Mitsumasa Hamano 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: 20230022002
    Abstract: An ionic salt includes a polyvalent ion (a) having a metal cluster structure or a metal oxide cluster structure and an organic ion (b), a radiation-sensitive resist composition including the ionic salt, and a pattern forming method, wherein the polyvalent ion (a) includes at least one metal atom selected from the group consisting of tin, indium, antimony, tellurium, and bismuth, and the organic ion (b) is at least one selected from the group consisting of: a carboxylate anion having 4 or more carbon atoms; a sulfonate anion having 4 or more carbon atoms; a phosphonate anion having 4 or more carbon atoms; a phenoxide anion having 6 or more carbon atoms; an iodonium cation having 4 or more carbon atoms; a sulfonium cation having 4 or more carbon atoms; an ammonium cation having 4 or more carbon atoms; and a pyridinium cation having 5 or more carbon atoms.
    Type: Application
    Filed: July 15, 2022
    Publication date: January 26, 2023
    Applicants: Samsung Electronics Co., Ltd., THE UNIVERSITY OF TOKYO
    Inventors: Sayaka UCHIDA, Naoki OGIWARA, Mitsumasa HAMANO, Tadao YAGI, Nobuji SAKAI
  • Publication number: 20220408723
    Abstract: Provided is an antibacterial liquid with excellent temporal stability in which caking due to sedimentation of solid components does not occur and with which a film capable of stably maintaining antibacterial properties can be formed, in a case of being formed into a film. Also provided are an antibacterial film formed using the antibacterial liquid, and a spray and a cloth including the antibacterial liquid. The antibacterial liquid includes an antibacterial microparticle, a binder, and a solvent, in which the antibacterial microparticle contains a silver-supporting inorganic oxide, the binder includes at least one compound having a siloxane bond, the solvent includes an alcohol and water, the concentration of solid contents is less than 5% by mass with respect to the total mass of the antibacterial liquid, and the content of the compound having a siloxane bond is 60% by mass or more with respect to the total solid content of the antibacterial liquid.
    Type: Application
    Filed: September 2, 2022
    Publication date: December 29, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Naotoshi SATO, Mitsumasa Hamano
  • Patent number: 10433541
    Abstract: Provided are an antibacterial liquid having excellent sedimentation resistance, an antibacterial film formed using the antibacterial liquid, and a wet wipe produced using the antibacterial liquid. The antibacterial liquid is an antibacterial liquid including antibacterial microparticles, a binder, and a solvent, in which the antibacterial microparticles contain a silver-supporting inorganic oxide, the average particle size of the antibacterial microparticles is 1.0 ?m or less, the binder includes at least one silane compound, the solvent includes an alcohol and water, and the content of the alcohol with respect to the total mass of the antibacterial liquid is 10% by mass or more.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: October 8, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Mitsumasa Hamano, Naohiro Matsunaga, Yusuke Hatanaka
  • Publication number: 20190262490
    Abstract: An object of the invention is to provide particles that have excellent deodorizing properties but do not easily settle down in a case in which the particles are applied to a dispersion liquid. Another object of the invention is to provide a dispersion liquid and a film, both using the particles; a deodorizing material including the particles, the dispersion liquid, or the film; and a wet wiper and a spray, both including the dispersion liquid. A composite particle of the invention includes a polymer particle; and at least one kind of inorganic particle selected from the group consisting of metals and metal oxides, the inorganic particle being supported on the surface of the polymer particle, in which the inorganic particles have an average particle diameter of less than 100 nm.
    Type: Application
    Filed: May 14, 2019
    Publication date: August 29, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Mitsumasa HAMANO, Tadashi ITO, Naohiro MATSUNAGA, Shigeaki OHTANI
  • Publication number: 20190037850
    Abstract: An antibacterial composition includes antibacterial agent particles containing a metal; and at least one selected from the group consisting of a silicate-based compound and a thermoplastic resin having a minimum film-forming temperature of 0° C. to 35° C., in which the antibacterial agent particles have the maximum value of frequency at a particle size of 0.1 ?m or greater and less than 1 ?m in a volume-based particle size distribution, and the content of particles having a particle size of 1 ?m or greater is 5% to 50% by volume.
    Type: Application
    Filed: October 9, 2018
    Publication date: February 7, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Kazuhiro HASEGAWA, Naotoshi SATO, Mitsumasa HAMANO
  • Publication number: 20180255774
    Abstract: Provided is an antiviral film which is excellent in antiviral properties. The antiviral film includes a silicon-containing compound, in which a pH of a film surface is lower than or equal to 6. The antiviral film may further include an antibacterial agent fine particle. The antiviral film may further include an acidic material.
    Type: Application
    Filed: May 9, 2018
    Publication date: September 13, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Mitsumasa HAMANO, Naotoshi SATO
  • Publication number: 20180177183
    Abstract: An object of the invention is to provide an antibacterial liquid with excellent temporal stability in which caking due to sedimentation of solid components does not occur and with which a film capable of stably maintaining antibacterial properties can be formed, in a case of being formed into a film. Another object is to provide an antibacterial film formed using the antibacterial liquid. Still another object is to provide a spray and a cloth including the antibacterial liquid.
    Type: Application
    Filed: February 22, 2018
    Publication date: June 28, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Naotoshi SATO, Mitsumasa HAMANO
  • Publication number: 20180116208
    Abstract: Provided are an antibacterial liquid having excellent sedimentation resistance, an antibacterial film formed using the antibacterial liquid, and a wet wipe produced using the antibacterial liquid. The antibacterial liquid is an antibacterial liquid including antibacterial microparticles, a binder, and a solvent, in which the antibacterial microparticles contain a silver-supporting inorganic oxide, the average particle size of the antibacterial microparticles is 1.0 ?m or less, the binder includes at least one silane compound, the solvent includes an alcohol and water, and the content of the alcohol with respect to the total mass of the antibacterial liquid is 10% by mass or more.
    Type: Application
    Filed: November 2, 2017
    Publication date: May 3, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Mitsumasa HAMANO, Naohiro MATSUNAGA, Yusuke HATANAKA
  • Patent number: 9691999
    Abstract: In the photoelectric conversion device having a pair of electrodes and a light receiving layer sandwiched between the pair of electrodes and including at least a photoelectric conversion layer, at least a part of the light receiving layer includes a fullerene or a fullerene derivative deposited using a vapor deposition material of a plurality of particles or a compact formed of the particles consisting primarily of the fullerene or fullerene derivative with an average particle size expressed as D50% of 50 to 300 ?m.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: June 27, 2017
    Assignee: FUJIFILM Corporation
    Inventor: Mitsumasa Hamano
  • Publication number: 20170066929
    Abstract: Provided is an instrument including a hydrophilic processed portion on at least a portion of an outer surface thereof. The hydrophilic processed portion contains a hydrophilic polymer and a silver-containing antibacterial agent, and a water contact angle of a surface of the hydrophilic processed portion is equal to or less than 80°. Therefore, the instrument has excellent hydrophilicity and antibacterial properties.
    Type: Application
    Filed: November 21, 2016
    Publication date: March 9, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Fumito NARIYUKI, Michihiro SHIBATA, Hideo NAGASAKI, Norihiro OMAE, Setsuko SHIRATSUCHI, Mitsumasa HAMANO
  • Patent number: 9349965
    Abstract: There is provided a compound represented by a specific formula, which has an absorption maximum at 400 nm or more and less than 720 nm in a UV-visible absorption spectrum, wherein a molar extinction coefficient is 10,000 mol?1·l·cm?1 or more at the absorption maximum wavelength, and a difference between a melting point and a deposition temperature (a melting point?a deposition temperature) is 31° C. or more.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: May 24, 2016
    Assignee: FUJIFILM CORPORATION
    Inventors: Katsuyuki Yofu, Kimiatsu Nomura, Eiji Fukuzaki, Yuki Hirai, Mitsumasa Hamano, Tetsuro Mitsui
  • Patent number: 9070887
    Abstract: A photoelectric conversion device comprising an electrically conductive film, an organic photoelectric conversion film, and a transparent electrically conductive film, wherein the organic photoelectric conversion film contains a compound represented by the following formula (1) and an n-type organic semiconductor: wherein each of R1 and R2 independently represents a substituted aryl group, an unsubstituted aryl group, a substituted heteroaryl group or an unsubstituted heteroaryl group, each of R3 to R11 independently represents a hydrogen atom or a substituent provided that an acidic group is excluded, m represents 0 or 1, n represents an integer of 0 or more, R1 and R2, R3 and R4, R3 and R5, R5 and R6, R6 and R8, R7 and R8, R7 and R9, or R10 and R11 may be combined each other to form a ring, and when n is an integer of 2 or more, out of a plurality of R7's and R8's, a pair of R7's, a pair of R8's, or a pair of R7 and R8 may be combined each other to form a ring.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: June 30, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Katsuyuki Yofu, Kimiatsu Nomura, Mitsumasa Hamano, Tetsuro Mitsui
  • Patent number: 9035055
    Abstract: An organic compound and a photoelectric conversion device containing the organic compound are disclosed. The organic compound and device realize high photoelectric conversion efficiency, low dark current and high-speed responsivity. It has been found that when this organic compound and an n-type semiconductor are used in combination, high-speed responsivity can be realized while maintaining high heat resistance, an aspect of which has not been seen when the connection part between a donor part and an acceptor part is a phenylene group.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: May 19, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Mitsumasa Hamano, Katsuyuki Yofu, Tetsuro Mitsui, Kimiatsu Nomura
  • Publication number: 20150129861
    Abstract: An organic material for deposition that is used for dry deposition of an organic layer included in an organic photoelectric conversion element is provided in which the organic material contains an organic composition of the organic layer as a principal component, and a residual solvent content of the organic material for deposition is equal to or less than 3 mol %.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 14, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Mitsumasa HAMANO, Eiji FUKUZAKI
  • Patent number: 9012762
    Abstract: A photoelectric conversion element is provided and includes: an electrically conductive thin layer; an organic photoelectric conversion layer; and a transparent electrically conductive thin layer. The organic photoelectric conversion layer contains: a compound represented by formula (I); and a fullerene or a fullerene derivative. Formula (I): In the formula, Z1 represents an atomic group necessary for forming a 5- or 6-membered ring, L1, L2 and L3 each independently represents an unsubstituted methine group or a substituted methine group, D1 represents an atomic group, and n represents an integer of 0 or more.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: April 21, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Kimiatsu Nomura, Mitsumasa Hamano, Katsuyuki Yofu
  • Publication number: 20140374733
    Abstract: An object of the present invention is to provide a photoelectric conversion element having a photoelectric conversion film which exhibits heat resistance, a high photoelectric conversion efficiency, a low level of dark currents, rapid response, and sensitivity characteristics to red and can be produced by a vapor deposition processing that is continuously performed under a high-temperature condition. The photoelectric conversion element of the present invention is a photoelectric conversion element in which a conductive film, a photoelectric conversion film containing a photoelectric conversion material, and a transparent conductive film are laminated on one another in this order, wherein the photoelectric conversion material includes a compound represented by Formula (1).
    Type: Application
    Filed: September 5, 2014
    Publication date: December 25, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Yuki HIRAI, Yosuke YAMAMOTO, Tomoaki YOSHIOKA, Eiji FUKUZAKI, Katsuyuki YOFU, Masaaki TSUKASE, Mitsumasa HAMANO, Takahiko ICHIKI
  • Patent number: 8822808
    Abstract: Provided are a photoelectric conversion device capable of controlling an absorbance of the red region at a wavelength of 600 nm or more, and an imaging device having an improved color reproduction by using the photoelectric device. Provided are a photoelectric conversion device that includes a pair of electrodes, and a photoelectric conversion layer disposed between the pair of electrodes, in which the photoelectric conversion layer contains a p-type semiconductor compound and two or more different kinds of unsubstituted fullerenes, and an imaging device that includes the photoelectric conversion device.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: September 2, 2014
    Assignee: FUJIFILM Corporation
    Inventor: Mitsumasa Hamano
  • Publication number: 20140138522
    Abstract: In the photoelectric conversion device having a pair of electrodes and a light receiving layer sandwiched between the pair of electrodes and including at least a photoelectric conversion layer, at least a part of the light receiving layer includes a fullerene or a fullerene derivative deposited using a vapor deposition material of a plurality of particles or a compact formed of the particles consisting primarily of the fullerene or fullerene derivative with an average particle size expressed as D50% of 50 to 300 ?m.
    Type: Application
    Filed: January 24, 2014
    Publication date: May 22, 2014
    Applicant: FUJIFILM CORPORATION
    Inventor: Mitsumasa HAMANO
  • Publication number: 20130299799
    Abstract: A photoelectric conversion device comprising an electrically conductive film, an organic photoelectric conversion film, and a transparent electrically conductive film, wherein the organic photoelectric conversion film contains a compound represented by the following formula (1) and an n-type organic semiconductor: wherein each of R1 and R2 independently represents a substituted aryl group, an unsubstituted aryl group, a substituted heteroaryl group or an unsubstituted heteroaryl group, each of R3 to R11 independently represents a hydrogen atom or a substituent provided that an acidic group is excluded, m represents 0 or 1, n represents an integer of 0 or more, R1 and R2, R3 and R4, R3 and R5, R5 and R6, R6 and R8, R7 and R8, R7 and R9, or R10 and R11 may be combined each other to form a ring, and when n is an integer of 2 or more, out of a plurality of R7's and R8's, a pair of R7's, a pair of R8's, or a pair of R7 and R8 may be combined each other to form a ring.
    Type: Application
    Filed: July 18, 2013
    Publication date: November 14, 2013
    Inventors: Katsuyuki YOFU, Kimiatsu NOMURA, Mitsumasa HAMANO, Tetsuro MITSUI
  • Patent number: 8525577
    Abstract: A photoelectric conversion device comprising an electrically conductive film, an organic photoelectric conversion film, and a transparent electrically conductive film, wherein the organic photoelectric conversion film contains a compound represented by the following formula (1) and an n-type organic semiconductor: wherein each of R1 and R2 independently represents a substituted aryl group, an unsubstituted aryl group, a substituted heteroaryl group or an unsubstituted heteroaryl group, each of R3 to R11 independently represents a hydrogen atom or a substituent provided that an acidic group is excluded, m represents 0 or 1, n represents an integer of 0 or more, R1 and R2, R3 and R4, R3 and R5, R5 and R6, R6 and R8, R7 and R8, R7 and R9, or R10 and R11 may be combined each other to form a ring, and when n is an integer of 2 or more, out of a plurality of R7's and R8's, a pair of R7's, a pair of R8's, or a pair of R7 and R8 may be combined each other to form a ring.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: September 3, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Katsuyuki Yofu, Kimiatsu Nomura, Mitsumasa Hamano, Tetsuro Mitsui