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).
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Publication number: 20230022002Abstract: 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: ApplicationFiled: July 15, 2022Publication date: January 26, 2023Applicants: Samsung Electronics Co., Ltd., THE UNIVERSITY OF TOKYOInventors: Sayaka UCHIDA, Naoki OGIWARA, Mitsumasa HAMANO, Tadao YAGI, Nobuji SAKAI
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Publication number: 20220408723Abstract: 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: ApplicationFiled: September 2, 2022Publication date: December 29, 2022Applicant: FUJIFILM CorporationInventors: Naotoshi SATO, Mitsumasa Hamano
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Patent number: 10433541Abstract: 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: GrantFiled: November 2, 2017Date of Patent: October 8, 2019Assignee: FUJIFILM CorporationInventors: Mitsumasa Hamano, Naohiro Matsunaga, Yusuke Hatanaka
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Publication number: 20190262490Abstract: 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: ApplicationFiled: May 14, 2019Publication date: August 29, 2019Applicant: FUJIFILM CorporationInventors: Mitsumasa HAMANO, Tadashi ITO, Naohiro MATSUNAGA, Shigeaki OHTANI
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Publication number: 20190037850Abstract: 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: ApplicationFiled: October 9, 2018Publication date: February 7, 2019Applicant: FUJIFILM CorporationInventors: Kazuhiro HASEGAWA, Naotoshi SATO, Mitsumasa HAMANO
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Publication number: 20180255774Abstract: 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: ApplicationFiled: May 9, 2018Publication date: September 13, 2018Applicant: FUJIFILM CorporationInventors: Mitsumasa HAMANO, Naotoshi SATO
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Publication number: 20180177183Abstract: 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: ApplicationFiled: February 22, 2018Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Naotoshi SATO, Mitsumasa HAMANO
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Publication number: 20180116208Abstract: 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: ApplicationFiled: November 2, 2017Publication date: May 3, 2018Applicant: FUJIFILM CorporationInventors: Mitsumasa HAMANO, Naohiro MATSUNAGA, Yusuke HATANAKA
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Patent number: 9691999Abstract: 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: GrantFiled: January 24, 2014Date of Patent: June 27, 2017Assignee: FUJIFILM CorporationInventor: Mitsumasa Hamano
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Publication number: 20170066929Abstract: 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: ApplicationFiled: November 21, 2016Publication date: March 9, 2017Applicant: FUJIFILM CorporationInventors: Fumito NARIYUKI, Michihiro SHIBATA, Hideo NAGASAKI, Norihiro OMAE, Setsuko SHIRATSUCHI, Mitsumasa HAMANO
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Patent number: 9349965Abstract: 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: GrantFiled: March 7, 2013Date of Patent: May 24, 2016Assignee: FUJIFILM CORPORATIONInventors: Katsuyuki Yofu, Kimiatsu Nomura, Eiji Fukuzaki, Yuki Hirai, Mitsumasa Hamano, Tetsuro Mitsui
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Patent number: 9070887Abstract: 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: GrantFiled: July 18, 2013Date of Patent: June 30, 2015Assignee: FUJIFILM CorporationInventors: Katsuyuki Yofu, Kimiatsu Nomura, Mitsumasa Hamano, Tetsuro Mitsui
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Patent number: 9035055Abstract: 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: GrantFiled: September 8, 2010Date of Patent: May 19, 2015Assignee: FUJIFILM CorporationInventors: Mitsumasa Hamano, Katsuyuki Yofu, Tetsuro Mitsui, Kimiatsu Nomura
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Publication number: 20150129861Abstract: 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: ApplicationFiled: January 23, 2015Publication date: May 14, 2015Applicant: FUJIFILM CORPORATIONInventors: Mitsumasa HAMANO, Eiji FUKUZAKI
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Patent number: 9012762Abstract: 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: GrantFiled: November 13, 2012Date of Patent: April 21, 2015Assignee: FUJIFILM CorporationInventors: Tetsuro Mitsui, Kimiatsu Nomura, Mitsumasa Hamano, Katsuyuki Yofu
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Publication number: 20140374733Abstract: 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: ApplicationFiled: September 5, 2014Publication date: December 25, 2014Applicant: FUJIFILM CorporationInventors: Yuki HIRAI, Yosuke YAMAMOTO, Tomoaki YOSHIOKA, Eiji FUKUZAKI, Katsuyuki YOFU, Masaaki TSUKASE, Mitsumasa HAMANO, Takahiko ICHIKI
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Patent number: 8822808Abstract: 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: GrantFiled: March 24, 2011Date of Patent: September 2, 2014Assignee: FUJIFILM CorporationInventor: Mitsumasa Hamano
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Publication number: 20140138522Abstract: 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: ApplicationFiled: January 24, 2014Publication date: May 22, 2014Applicant: FUJIFILM CORPORATIONInventor: Mitsumasa HAMANO
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Publication number: 20130299799Abstract: 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: ApplicationFiled: July 18, 2013Publication date: November 14, 2013Inventors: Katsuyuki YOFU, Kimiatsu NOMURA, Mitsumasa HAMANO, Tetsuro MITSUI
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Patent number: 8525577Abstract: 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: GrantFiled: September 28, 2010Date of Patent: September 3, 2013Assignee: FUJIFILM CorporationInventors: Katsuyuki Yofu, Kimiatsu Nomura, Mitsumasa Hamano, Tetsuro Mitsui