Patents Assigned to Mitsui
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Patent number: 11876070Abstract: A method for producing a semiconductor package, capable of suppressing damage of a device, and dissolving or softening a tacky layer quickly to peel off a reinforcing sheet, is provided. This method includes: providing a tacky sheet including a soluble tacky layer, making a first laminate, obtaining a second laminate having a second support substrate bonded to the first laminate, peeling off a first support substrate to obtain a third laminate, mounting a semiconductor chip thereon to obtain a fourth laminate, sealing a right end surface and a left end surface of the fourth laminate with sealing members and immersing a lower end surface of the fourth laminate selectively in a solution, giving a pressure difference between an inner space and the solution to allow the solution to penetrate into the internal space and dissolve or soften the soluble tacky layer, and peeling off the second support substrate.Type: GrantFiled: November 11, 2019Date of Patent: January 16, 2024Assignee: MITSUI MINING & SMELTING CO., LTD.Inventors: Toshimi Nakamura, Tetsuro Sato
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Patent number: 11873462Abstract: A lubricating oil composition with a resin (A) and a base oil (B), the resin (A) is in a range of 0.01 to 50 parts by mass per 100 parts of (A) and (B), the resin (A) satisfies the following requirements: (A-1) the resin (A) is a polymer including a constituent unit from 4-methyl-1-pentene in a range of 60 to 99 mol % and a constituent unit from an ?-olefin having 2 to 20 carbon atoms (excluding 4-methyl-1-pentene) in a range of 1 to 40 mol % (provided that 4-methyl-1-pentene and the ?-olefin is 100 mol %); (A-2) intrinsic viscosity [?] measured in decalin at 135° C. is in a range of 0.01 to 5.0 dl/g; (A-3) a melting point (Tm) is in a range of 110 to 150° C. as determined by DSC; and the base oil (B) has (B-1) kinematic viscosity at 100° C. is in a range of 1 to 50 mm2/s.Type: GrantFiled: August 26, 2020Date of Patent: January 16, 2024Assignee: MITSUI CHEMICALS, INC.Inventors: Akio Hayakawa, Shuhei Yamamoto, Akihiro Udagawa, Masahiro Yamashita, Yusuke Saito
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Patent number: 11873359Abstract: A photocurable composition includes a photopolymerizable component and a photopolymerization initiator, in which a diluted solution (D1) obtained by diluting the photocurable composition with ethanol such that the content of ethanol is 99% by mass would satisfy the following Condition (X): the transmittance at at least one wavelength within the wavelength range of from 365 nm to 405 nm, measured at an optical path length of 1 cm, is from 1.0% to 70.0%.Type: GrantFiled: January 8, 2021Date of Patent: January 16, 2024Assignee: MITSUI CHEMICALS, INC.Inventor: Takaaki Hayashi
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Patent number: 11872540Abstract: An object of the present invention is to provide an exhaust gas purification catalyst composition and an exhaust gas purification catalyst, each of which includes a pyrochlore-type CeO2—ZrO2-based complex oxide having an improved oxygen storage capacity (particularly, an improved oxygen storage capacity after being exposed to a high temperature environment), and, in order to achieve the above-mentioned object, the present invention provides an exhaust gas purification catalyst composition and an exhaust gas purification catalyst, each of which contains a pyrochlore-type CeO2—ZrO2-based complex oxide that contains Y and Mg and thus exhibits an excellent oxygen storage capacity (particularly, an excellent oxygen storage capacity after being exposed to a high temperature environment).Type: GrantFiled: November 27, 2020Date of Patent: January 16, 2024Assignee: MITSUI MINING & SMELTING CO., LTD.Inventors: Ryo Takeuchi, Hironori Iwakura, Shogo Sano, Yusuke Hosoi
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Publication number: 20240009658Abstract: A deodorizing catalyst containing a composite oxide and a metal component containing Pt supported on the composite oxide, and having a degree of reduction represented by the following formula (1) in a range of 60% to 86%: degree of reduction (%)=100?[X/Y]×100 (1), in which X represents a peak area obtained from a thermal conductivity detector (TCD) when the catalyst is dried and reduced by heating from 40° C. to 400° C., and Y represents a peak area obtained from the TCD when an oxidation catalyst obtained by heat-treating the catalyst in an air or under oxygen atmosphere at 150° C. for 2 hours and then cooling the catalyst to 40° C. or lower is reduced by heating from 40° C. to 400° C.Type: ApplicationFiled: September 29, 2021Publication date: January 11, 2024Applicant: MITSUI CHEMICALS, INC.Inventors: Jun KAWAHARA, Naoshi NAGAI, Akihiro OKABE, Susumu SAITO, Shuji TAHARA
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Patent number: 11865758Abstract: A PFA molded article of a copolymer (PFA) of tetrafluoroethylene (TFE) and perfluoro(alkylvinyl ether) (PAVE), the content of the PAVE therein being from 1 to 10% by mol, characterized in that the PFA molded article has a flex life value of not less than 2,000,000 times, a zero shear viscosity of from 10,000 to 20,000 Pa·s, and a heating weight loss of not more than 0.05% by weight, and a process for the production thereof. The PFA molded article has a high flex life value, a low heating weight loss and a low zero share viscosity yet maintaining excellent mechanical properties such as tensile strength, etc., and can be produced in good yields.Type: GrantFiled: June 26, 2017Date of Patent: January 9, 2024Assignee: CHEMOURS-MITSUI FLUOROPRODUCTS CO. LTD.Inventors: Hitomi Nishimura, Takahiro Nishimura, Bangjia Lin
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Patent number: 11865739Abstract: There are provided a method for manufacturing a core product, a method for removing a residual resin, and device for removing a residual resin including: supplying a molten resin; placing a conveying jig on a collection unit by conveying the conveying jig from a resin supply device to the collection unit together with a core body; splitting the resin solidified in a resin forming region from the resin solidified inside a resin flow path by removing the core body from the conveying jig; forming the residual resin which is a residue of the solidified resin inside the resin flow path and acquiring the core product including the core body and solidified resin formed in the resin forming region; and dropping the residual resin from the resin flow path into the collection unit by causing an extrusion unit to abut against the residual resin from above.Type: GrantFiled: August 11, 2021Date of Patent: January 9, 2024Assignee: MITSUI HIGH-TEC, INC.Inventors: Shuhei Kotani, Katsumi Amano
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Patent number: 11865750Abstract: A composite structure includes: a metal member; and a thermoplastic resin member bonded to the metal member, in which the metal member has a fine uneven structure at least on a metal surface to which the thermoplastic resin member is bonded, a hardness of the thermoplastic resin member measured by a type A durometer in accordance with JIS K6253 is in a range of equal to or more than A60 and equal to or less than A95, and an acid value of the thermoplastic resin member is equal to or more than 1 mgKOH/g and equal to or less than 100 mgKOH/g. The thermoplastic resin member preferably contains a urethane-based thermoplastic elastomer, an amide-based thermoplastic elastomer, and an acid-modified polyolefin.Type: GrantFiled: August 7, 2019Date of Patent: January 9, 2024Assignee: MITSUI CHEMICALS, INC.Inventors: Takahiro Tominaga, Kazuki Kimura
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Patent number: 11867983Abstract: Provided are electronic eyeglasses including a power supply unit that is less likely to be unfastened and is easily attachable and detachable. A power supply unit is detachably attached to an accommodating chamber in a distal end portion of a temple. The power supply unit includes, from a front end toward a rear end, an electrical connection terminal; a first housing unit that holds a first battery, and that has a side surface having an arc shape in a plan view; a narrow portion that is connected to the arc-shaped side surface, and that has a side surface narrower than the side surface; and a second housing unit that has a side surface connected to the narrow side surface, and that hold a second battery. The accommodating chamber has a protruding portion that is elastically deformed so as to be fitted to the narrow portion of the power supply unit.Type: GrantFiled: July 31, 2020Date of Patent: January 9, 2024Assignee: Mitsui Chemicals, Inc.Inventors: Masayoshi Hino, Ryuki Kan
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Patent number: 11866648Abstract: A process for producing a polymerizable composition for optical materials of the present invention includes a step A of mixing together a polyisocyanate compound (i), a polymer (ii) represented by General Formula (ii), a photochromic compound (iii), and an internal release agent (iv), a step B of mixing a mixed solution obtained by the step A with a polythiol compound (v), and a step C of further mixing a mixed solution obtained by the step B with a polymerization catalyst (vi) so as to obtain a polymerizable composition for optical materials, wherein in the step A, the internal release agent (iv) is added so that a content thereof in the polymerizable composition for optical materials is 500 to 3,000 ppm, and in the step C, the polymerization catalyst (vi) is added so that a content thereof in the polymerizable composition for optical materials is 120 to 500 ppm. R1A1—R2—A2—R3]n??(ii).Type: GrantFiled: January 29, 2020Date of Patent: January 9, 2024Assignee: MITSUI CHEMICALS, INC.Inventors: Yuuki Kasori, Nobuo Kawato
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Patent number: 11866527Abstract: A photocurable composition includes a photopolymerizable component and a photopolymerization initiator. When a test piece with 39 mm length, 8 mm width, and 4 mm thickness, is produced by photofabrication under conditions in which the photocurable composition is irradiated with visible light having 405 nm wavelength at 12 mJ/cm2 irradiation dose to form a cured layer with 100 m thickness, the cured layer is stacked in a thickness direction thereof to form a rectangular fabrication product with 39 mm length, 8 mm width, and 4 mm thickness, and the fabrication product is irradiated with ultraviolet rays having 365 nm wavelength at 10 J/cm2 irradiation dose to produce the test piece, a total fracture work of the test piece measured in compliance with ISO20795-1:2008 is 1100 J/m2 or more.Type: GrantFiled: March 22, 2021Date of Patent: January 9, 2024Assignee: MITSUI CHEMICALS, INC.Inventors: Toshikazu Sakamaki, Mai Kimura, Hiroki Murai, Takaaki Hayashi, Suguru Endo
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Publication number: 20240001653Abstract: A laminate containing a propylene polymer as a main component, relating to a sealant film including a heat-seal layer and an adjacent layer, wherein the sealant film satisfies the following requirement (1) the sealant film is a stretched film or a non-stretched film; the heat-seal layer contains an olefin polymer (B) satisfying the following requirement (2): a melting point is less than 120° C. or is not observed; and a propylene polymer (A) satisfying the following requirement (3): a melting point is 121° C. or more and 170° C. or less; and the adjacent layer contains 1 to 70% by mass of the propylene polymer (A) satisfying the following requirement (3) and 30 to 99% by mass of the olefin polymer (B) satisfying the following requirement (2), and contains 0 to 70% by mass of a propylene polymer (B2) in the olefin polymer (B), provided that (A)+(B)=100% by mass.Type: ApplicationFiled: October 25, 2021Publication date: January 4, 2024Applicant: MITSUI CHEMICALS, INC.Inventors: Ryoji MORIWAKI, Hiroshi HOYA, Nozomi KAMIYA, Nao SHIOZAKI, Takahiro MIZUMA, Makoto EGAWA, Yuki KAI
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Publication number: 20240005789Abstract: A control unit (100): acquires identification information previously assigned to vehicles (200-1), (200-2), (300-1), and (300-2); acquires vehicle information of the vehicles (200-1) and (200-2) for which the acquired identification information includes first identification information; based on the acquired vehicle information, calculates regulated ranges; and notifies of the calculated regulated ranges.Type: ApplicationFiled: November 11, 2021Publication date: January 4, 2024Applicant: SUMITOMO MITSUI CONSTRUCTION CO., LTD.Inventors: Akio KASUGA, Junichiro NAKAMORI, Tetsuya HAMANAKA
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Publication number: 20240002638Abstract: A fiber-reinforced resin composition containing a polyolefin resin; one or more resins selected from a polyamide resin and a polyester resin; a fiber; and a modified polyolefin resin, in a specific proportion, wherein the ratio ?N/?B of a melt viscosity ?A of the polyolefin resin at 250° C. and a shear rate of 120/sec to a melt viscosity ?B of the resin at 250° C. and a shear rate of 120/sec is in a range of 0.3 to 1.3. The fiber-reinforced resin composition has excellent heat distortion resistance under high load, and has an excellent balance between heat distortion resistance and tensile creep resistance while containing a compatibilizer. In addition, the fiber-reinforced resin composition having excellent impregnation properties into long glass fibers improves the interaction between the fiber and the resin composition, and contributes to the improvement of mechanical properties.Type: ApplicationFiled: November 24, 2021Publication date: January 4, 2024Applicant: MITSUI CHEMICALS, INC.Inventors: Masashi KOMATSUBARA, Kenji KOJIO, Tomoya NAKAMURA, Hirokazu TANAKA
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Patent number: 11859418Abstract: A latch device including: a latch mechanism configured to hold a door at a closing position; an electric releasing mechanism configured to release meshing of the latch mechanism; a manual releasing mechanism configured to release meshing of the latch mechanism; and a lock configured to switch between a locked state of the manual releasing mechanism and an unlocked state, wherein the electric releasing mechanism is configured to switch the lock from the locked state to the unlocked state by releasing meshing of the latch mechanism and switch the lock from the unlocked state to the locked state when a rotating cam returns to a reference position by a biasing force of a spring, when the lock is in the locked state and the rotating cam rotates by a predetermined angle in a first direction from the reference position by power of a motor against a biasing force of the spring.Type: GrantFiled: July 26, 2019Date of Patent: January 2, 2024Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Shintaro Okawa, Hirotaka Nishijima
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Patent number: 11859110Abstract: A body, comprising stacked substrates, wherein: a first substrate, an adhesion layer comprising a reaction product of a compound (A), which has a cationic functional group containing at least one of a primary nitrogen atom or a secondary nitrogen atom and which has a defined weight average molecular weight, and a crosslinking agent (B), which has three or more —C(?O)OX groups in a molecule, in which from one to six of the three or more —C(?O)OX groups are —C(?O)OH groups and which has a weight average molecular weight of from 200 to 600, X is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms, and a second substrate, are layered in this order, and the compound (A) comprises at least one selected from the group consisting of a defined aliphatic amine and a defined compound having a siloxane bond and an amino group.Type: GrantFiled: April 24, 2018Date of Patent: January 2, 2024Assignee: MITSUI CHEMICALS, INC.Inventors: Jun Kamada, Kazuo Kohmura, Yasuhisa Kayaba
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Patent number: 11860193Abstract: This anisotropic conductive sheet includes: a plurality of conductive paths; and an insulation layer which is disposed to fill the space between the plurality of conductive paths and has a first surface and a second surface. Each of the conductive path extends in a thickness direction of the insulation layer and has a first end part on the first surface side and a second end part on the second surface side. When the conductive paths are seen through so that the center of the first end part overlaps the center of the second end part, at least a portion of the conductive paths does not overlap the first end part and the second end part.Type: GrantFiled: November 21, 2019Date of Patent: January 2, 2024Assignee: Mitsui Chemicals, Inc.Inventors: Taichi Koyama, Katsunori Nishiura, Daisuke Yamada, Yoichi Kodama
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Publication number: 20230417493Abstract: A temperature control unit, comprising a first metal member, a second metal member, a first resin member that is disposed between the first metal member and the second metal member, and a second resin member, the first resin member having a shape corresponding to a space for a fluid to flow between the first metal member and the second metal member, and the second resin member being joined with at least a portion of a surface of at least one of the first metal member or the second metal member.Type: ApplicationFiled: December 2, 2021Publication date: December 28, 2023Applicant: MITSUI CHEMICALS, INC.Inventors: Mizue KURIYAGAWA, Kazuki KIMURA, Tomoki TORII
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Publication number: 20230420270Abstract: There is provided a method for manufacturing a wiring substrate in which damage to a device layer during carrier release can be suppressed, and a photolithography process can be carried out with good accuracy on the device layer after carrier release. This method includes: providing a laminated sheet including a carrier, a release layer, a metal layer, and a device layer in order; making a cut line from a surface of the laminated sheet on the carrier side so that the cut line passes through the carrier, the release layer, and the metal layer when the laminated sheet is seen in a cross-sectional view; and removing outer edge portions outside the cut line in the carrier, the release layer, and the metal layer, thereby exposing part of a surface of the device layer on the metal layer side to form a pressurizable exposed portion for promoting release of the carrier.Type: ApplicationFiled: August 6, 2021Publication date: December 28, 2023Applicant: MITSUI MINING & SMELTING CO., LTD.Inventors: Yukiko KITABATAKE, Takenori YANAI, Yoshinori MATSUURA
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Patent number: 11852968Abstract: To provide a pellicle in which outgas from an adhesive layer is suppressed. The pellicle includes a pellicle film, a support frame for supporting the pellicle film, a protrusion part arranged in the support frame, a first adhesive layer arranged on the protrusion part; and an inorganic material layer arranged at a position closer to the pellicle film than the first adhesive layer. The inorganic material layer may include a first inorganic material layer arranged at a first side surface of the first adhesive layer, the first side surface of the first adhesive layer intersecting the pellicle film, and arranged at a position closer to the pellicle film.Type: GrantFiled: September 3, 2020Date of Patent: December 26, 2023Assignee: MITSUI CHEMICALS, INC.Inventors: Yosuke Ono, Kazuo Kohmura, Atsushi Okubo, Daiki Taneichi, Hisako Ishikawa, Tsuneaki Biyajima
