Patents by Inventor Tetsuro Mitsui
Tetsuro Mitsui 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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Patent number: 12277285Abstract: Provided is a conductive member for a touch panel, a touch panel, and a touch panel display device capable of accommodating a first and a second lead wire in a narrow region. A conductive member for a touch panel includes a first conductive layer disposed on a transparent insulating substrate; an insulating layer disposed on the first conductive layer; and a second conductive layer disposed on the insulating layer. The first conductive layer has a plurality of first touch detection electrodes, and a plurality of first lead wires led from the plurality of first touch detection electrodes. The second conductive layer has a plurality of second touch detection electrodes, and a plurality of second lead wires led from the plurality of second touch detection electrodes. At least a part of the first lead wire and at least a part of the second lead wire overlap each other in plan view.Type: GrantFiled: August 1, 2023Date of Patent: April 15, 2025Assignee: FUJIFILM CorporationInventor: Tetsuro Mitsui
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Patent number: 12263451Abstract: Provided is a hydrophilic porous membrane including a porous membrane and a hydroxyalkyl cellulose (preferably, hydroxypropyl cellulose) retained in the porous membrane, the hydroxyalkyl cellulose having a weight-average molecular weight of 10,000 or more and less than 110,000. The hydrophilic porous membrane of embodiments of the invention has high water permeability and can pass an integrity test in the case of being used as a filtration membrane of a filter cartridge. Also provided is a method for producing the above-mentioned hydrophilic porous membrane, the method comprising causing a hydrophilizing liquid including 0.005% to 0.500% by mass of a hydroxyalkyl cellulose having a weight-average molecular weight of 10,000 or more and less than 110,000, to permeate a porous membrane.Type: GrantFiled: December 10, 2020Date of Patent: April 1, 2025Assignee: FUJIFILM CorporationInventors: Akihiro Ishii, Tetsuro Mitsui, Takeshi Umehara
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Publication number: 20250102718Abstract: A polarizing plate that, when being applied to an apparatus in which at least one of a display element or a visible light imaging element and an infrared light sensing system are combined, detection performance of the infrared light sensing system is excellent, and display performance is excellent when the apparatus includes the display element or imaging performance is excellent when the apparatus includes the imaging element; an apparatus; a head-mounted display; an organic electroluminescent display device; and an imaging system. In the polarizing plate, an average transmittance at a wavelength of 400 to 700 nm is 70% or more, a maximum value of a polarization degree at a wavelength of 800 to 1500 nm is 80% or more, and when a wavelength at which the polarization degree is the maximum value is defined as a wavelength ?1, a transmittance T(?1) at the wavelength ?1 satisfies predetermined relationships.Type: ApplicationFiled: October 21, 2024Publication date: March 27, 2025Applicant: FUJIFILM CorporationInventors: Ayako MURAMATSU, Mayumi NOJIRI, Makoto KAMO, Ryoji HIMENO, Tetsuro MITSUI
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Patent number: 12175050Abstract: Provided are a conductive member for a touch panel and a manufacturing method thereof, the conductive member having a conductive layer including an opaque conductive material on a flexible transparent insulating substrate, such that damage of the conductive layer is prevented. The manufacturing method of the conductive member including a first conductive layer, an interlayer insulating layer, and a second conductive layer in this order on the flexible substrate, includes: 1) forming the first conductive layer on the substrate; 2) forming the interlayer insulating layer; and 3) forming the second conductive layer, in which each of the steps 1 and 3 includes forming a fine metal wire using a photolithography method, a thickness of the interlayer insulating layer is 1 to 5 ?m, and the bend resistance obtained by measuring the conductive member using a cylindrical mandrel method according to JIS-K5600-5-1 is less than 5 mm.Type: GrantFiled: March 23, 2023Date of Patent: December 24, 2024Assignee: FUJIFILM CorporationInventors: Takato Suzuki, Tetsuro Mitsui
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Patent number: 12007181Abstract: The present invention provides a heat storage member which is excellent in a heat storage property and of which a chronological change in a tint is suppressed. A heat storage member according to an embodiment of the present invention includes a heat storage sheet containing a microcapsule encompassing a heat storage material, and a colored layer.Type: GrantFiled: October 20, 2021Date of Patent: June 11, 2024Assignee: FUJIFILM CorporationInventors: Tetsuro Mitsui, Aya Nakayama, Takuto Matsushita
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Patent number: 11959010Abstract: An object of the present invention is to provide a heat storage composition excellent in slow flame retardance and a heat storage member excellent in the slow flame retardance. Another object of the present invention is to provide an electronic device including a heat storage member, and a manufacturing method of a heat storage member. The heat storage composition according to an embodiment of the present invention contains a heat storage material and a flame retardant, in which a specific condition A is satisfied. The heat storage member according to an embodiment of the present invention contains a heat storage material and a flame retardant, in which a specific condition C is satisfied.Type: GrantFiled: September 17, 2021Date of Patent: April 16, 2024Assignee: FUJIFILM CorporationInventors: Tetsuro Mitsui, Naotoshi Sato, Aya Nakayama, Takuto Matsushita, Masahiro Hatta, Hiroshi Kawakami
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Publication number: 20230376142Abstract: Provided is a conductive member for a touch panel, a touch panel, and a touch panel display device capable of accommodating a first and a second lead wire in a narrow region. A conductive member for a touch panel includes a first conductive layer disposed on a transparent insulating substrate; an insulating layer disposed on the first conductive layer; and a second conductive layer disposed on the insulating layer. The first conductive layer has a plurality of first touch detection electrodes, and a plurality of first lead wires led from the plurality of first touch detection electrodes. The second conductive layer has a plurality of second touch detection electrodes, and a plurality of second lead wires led from the plurality of second touch detection electrodes. At least a part of the first lead wire and at least a part of the second lead wire overlap each other in plan view.Type: ApplicationFiled: August 1, 2023Publication date: November 23, 2023Applicant: FUJIFILM CorporationInventor: Tetsuro MITSUI
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Publication number: 20230229276Abstract: Provided are a conductive member for a touch panel and a manufacturing method thereof, the conductive member having a conductive layer including an opaque conductive material on a flexible transparent insulating substrate, such that damage of the conductive layer is prevented. The manufacturing method of the conductive member including a first conductive layer, an interlayer insulating layer, and a second conductive layer in this order on the flexible substrate, includes: 1) forming the first conductive layer on the substrate; 2) ef-forming the interlayer insulating layer; and 3) forming the second conductive layer, in which each of the steps 1 and 3 includes forming a fine metal wire using a photolithography method, a thickness of the interlayer insulating layer is 1 to 5 µm, and the bend resistance obtained by measuring the conductive member using a cylindrical mandrel method according to JIS-K5600-5-1 is less than 5 mm.Type: ApplicationFiled: March 23, 2023Publication date: July 20, 2023Applicant: FUJIFILM CorporationInventors: Takato SUZUKI, Tetsuro MITSUI
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Patent number: 11635864Abstract: A touch sensor pattern includes: a plurality of detection electrodes; a plurality of lead wires that are connected to the plurality of detection electrodes and a plurality of external connection terminals that are connected to the plurality of lead wires, in which each of the plurality of external connection terminals includes a first fine metal wire having a smaller line width than each of the plurality of lead wires, and an area per unit length of at least a part of each of the plurality of external connection terminals in an extension direction in a plan view is 5.5 times or less an area per unit length of each of the plurality of lead wires in a plan view.Type: GrantFiled: July 12, 2022Date of Patent: April 25, 2023Assignee: FUJIFILM CorporationInventors: Katsuyuki Nukui, Tetsuro Mitsui
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Publication number: 20230109172Abstract: An object of the present invention is to provide a sealing method using a cover film where a problem of odor is not likely to occur and quick drying properties and sealability are high. The sealing method according to the present invention is a sealing method that is performed using at least a cover film and a sealing solvent, the cover film including a polymer layer provided on a transparent support, in which the sealing solvent is a solvent including at least one kind selected from the group consisting of an ester, an alcohol, a ketone, an ether, and an aromatic hydrocarbon, in a case where the sealing solvent is an ester, an alcohol, a ketone, or an ether, a boiling point of the sealing solvent is 80° C. to 170° C., and in a case where the sealing solvent is an aromatic hydrocarbon, a boiling point of the sealing solvent is 150° C. to 170° C.Type: ApplicationFiled: December 8, 2022Publication date: April 6, 2023Applicant: FUJIFILM CorporationInventors: Takeshi Umehara, Tetsuro Mitsui, Miyoko Hara, Kana Sasahara, Akio Tamura, Reiko Inushima
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Publication number: 20230095219Abstract: A touch sensor pattern includes: a plurality of detection electrodes; a plurality of lead wires that are connected to the plurality of detection electrodes; and a plurality of external connection terminals that are connected to the plurality of lead wires, in which each of the plurality of external connection terminals includes a first fine metal wire having a smaller line width than each of the plurality of lead wires, and an area per unit length of at least a part of each of the plurality of external connection terminals in an extension direction in a plan view is 5.5 times or less an area per unit length of each of the plurality of lead wires in a plan view.Type: ApplicationFiled: July 12, 2022Publication date: March 30, 2023Applicant: FUJIFILM CorporationInventors: Katsuyuki NUKUI, Tetsuro MITSUI
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Publication number: 20230089665Abstract: A touch sensor film includes: a plurality of detection electrodes; and a plurality of lead wires that are electrically connected to the plurality of detection electrodes, in which each of the plurality of detection electrodes has a mesh structure formed of a conductive thin wire, each of the plurality of detection electrodes includes a first connection terminal disposed at an outermost side of each of the plurality of detection electrodes and a second connection terminal disposed by spacing from the first connection terminal, and each of the plurality of lead wires extends up to the second connection terminal through the first connection terminal and electrically connect the first connection terminal and the second connection terminal to each other.Type: ApplicationFiled: July 12, 2022Publication date: March 23, 2023Applicant: FUJIFILM CorporationInventors: Katsuyuki NUKUI, Tetsuro MITSUI
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Publication number: 20220034608Abstract: The present invention provides a heat storage member which is excellent in a heat storage property and of which a chronological change in a tint is suppressed. A heat storage member according to an embodiment of the present invention includes a heat storage sheet containing a microcapsule encompassing a heat storage material, and a colored layer.Type: ApplicationFiled: October 20, 2021Publication date: February 3, 2022Applicant: FUJIFILM CorporationInventors: Tetsuro MITSUI, Aya NAKAYAMA, Takuto MATSUSHITA
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Publication number: 20220002605Abstract: An object of the present invention is to provide a heat storage composition excellent in slow flame retardance and a heat storage member excellent in the slow flame retardance. Another object of the present invention is to provide an electronic device including a heat storage member, and a manufacturing method of a heat storage member. The heat storage composition according to an embodiment of the present invention contains a heat storage material and a flame retardant, in which a specific condition A is satisfied. The heat storage member according to an embodiment of the present invention contains a heat storage material and a flame retardant, in which a specific condition C is satisfied.Type: ApplicationFiled: September 17, 2021Publication date: January 6, 2022Applicant: FUJIFILM CorporationInventors: Tetsuro MITSUI, Naotoshi SATO, Aya NAKAYAMA, Takuto MATSUSHITA, Masahiro HATTA, Hiroshi KAWAKAMI
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Publication number: 20210385965Abstract: An object of the present invention is to provide a heat storage member having excellent flame retardance. Another object of the present invention is to provide an electronic device including a heat storage member, a manufacturing method of a heat storage member, and a composition for forming a protective layer. The heat storage member according to an embodiment of the present invention includes a protective layer and a heat storage layer including a heat storage material, in which the protective layer has a crosslinking structure.Type: ApplicationFiled: August 19, 2021Publication date: December 9, 2021Applicant: FUJIFILM CorporationInventors: Tetsuro MITSUI, Naotoshi SATO, Miyoko HARA, Masahiro HATTA, Hiroshi KAWAKAMI, Hirokazu KITO, Aya NAKAYAMA, Takuto MATSUSHITA, Kyohei OGAWA
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Publication number: 20210293489Abstract: An object of the present invention is to provide a heat storage sheet in which the occurrence of defects when handling it is suppressed, and a heat storage member and an electronic device including the heat storage sheet. The heat storage sheet according to an embodiment of the present invention includes a microcapsule which encapsulates a heat storage material, in which a void volume is less than 10% by volume.Type: ApplicationFiled: May 6, 2021Publication date: September 23, 2021Applicant: FUJIFILM CorporationInventors: Tetsuro MITSUI, Naotoshi SATO, Miyoko HARA, Masahiro HATTA, Hirokazu KITO, Hiroshi KAWAKAMI, Aya NAKAYAMA, Takuto MATSUSHITA, Kyohei OGAWA
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Publication number: 20210261843Abstract: The present invention provides a heat storage sheet which exhibits an excellent heat storage property, a heat storage member, an electronic device, and a manufacturing method of a heat storage sheet. The heat storage sheet according to an embodiment of the present invention is a heat storage sheet including a heat storage material, and a microcapsule which encapsulates at least a part of the heat storage material, in which a content ratio of the heat storage material to a total mass of the heat storage sheet is 65% by mass or more.Type: ApplicationFiled: May 12, 2021Publication date: August 26, 2021Applicant: FUJIFILM CorporationInventors: Hiroshi KAWAKAMI, Masahiro HATTA, Tetsuro MITSUI, Aya NAKAYAMA, Takuto MATSUSHITA
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Publication number: 20210086139Abstract: Provided is a hydrophilic porous membrane including a porous membrane and a hydroxyalkyl cellulose (preferably, hydroxypropyl cellulose) retained in the porous membrane, the hydroxyalkyl cellulose having a weight-average molecular weight of 10,000 or more and less than 110,000. The hydrophilic porous membrane of embodiments of the invention has high water permeability and can pass an integrity test in the case of being used as a filtration membrane of a filter cartridge. Also provided is a method for producing the above-mentioned hydrophilic porous membrane, the method comprising causing a hydrophilizing liquid including 0.005% to 0.500% by mass of a hydroxyalkyl cellulose having a weight-average molecular weight of 10,000 or more and less than 110,000, to permeate a porous membrane.Type: ApplicationFiled: December 10, 2020Publication date: March 25, 2021Applicant: FUJIFILM CorporationInventors: Akihiro ISHII, Tetsuro MITSUI, Takeshi UMEHARA
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Publication number: 20200064973Abstract: A composite member has a pressure-sensitive adhesive layer, a conductive layer body including an insulating layer having a higher modulus of elasticity than the pressure-sensitive adhesive layer and two conductive layers electrically insulated by the insulating layer and disposed to be spaced from each other, and a member having a higher modulus of elasticity than the pressure-sensitive adhesive layer, in which the member is in contact with, out of the two conductive layers, a first conductive layer provided on a side on which a radius of curvature of the insulating layer is larger in a case of bending the conductive layer body in a bending direction, and the pressure-sensitive adhesive layer is disposed at a portion except for between the insulating layer and each of the two conductive layers and between the first conductive layer and the member having a higher modulus of elasticity than the pressure-sensitive adhesive layer.Type: ApplicationFiled: October 31, 2019Publication date: February 27, 2020Applicant: FUJIFILM CorporationInventors: Tetsuro MITSUI, Hidetoshi HIRATA
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Publication number: 20190220151Abstract: A flexible device and an organic electroluminescence display device that include a laminate for a touch panel. The laminate for a touch panel that is bendable, comprising a plurality of members and is bendable, in which at least one of the members is a member including a conductive portion, at least one of the members is an adhesive film, and the adhesive film has a 180 degree peel strength of 0.5 N/mm or higher with respect to an adjacent member and has a thickness of 30 ?m or more.Type: ApplicationFiled: March 28, 2019Publication date: July 18, 2019Applicant: FUJIFILM CorporationInventor: Tetsuro MITSUI