Patents by Inventor Kazuma Inoue
Kazuma Inoue 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: 20240029699Abstract: To provide a sound-insulating sheet member capable of being installed in a location with a limited installation space and allowing for insulation of low-frequency sound, and a sound-insulating structure body including the sound-insulating sheet member. A sound-insulating sheet member including a sheet portion having rubber elasticity, and a plurality of protrusion portions that is provided on at least one face of the sheet portion and that has rubber elasticity, in which at least one of the protrusion portions and a region of the sheet portion, where the protrusion portions are provided, contains a space portion.Type: ApplicationFiled: September 27, 2023Publication date: January 25, 2024Applicant: Mitsubishi Chemical CorporationInventors: Kazuma Inoue, Takahiro Komamura, Yuya Saito, Takeshi Matsuoka
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Publication number: 20230250631Abstract: An object of the present invention is to provide a sound-insulating structural body with which a high sound insulation effect can be obtained even when an uneven structural body having an uneven structure is disposed on a member having a high rigidity. Provided is a sound-insulating structural body including: a flexible member in which a load giving a deformation rate of 4% in a compression test performed by a compression tester is 160 kPa or less; an adherend on which the flexible member is disposed; and an uneven sheet member having an uneven structure that includes a sheet section and protruding parts provided on a surface of the sheet section. In this sound-insulating structural body, the flexible member is provided such that it is arranged between the adherend and the uneven sheet member.Type: ApplicationFiled: March 23, 2023Publication date: August 10, 2023Applicant: Mitsubishi Chemical CorporationInventors: Masanari Nakayama, Yuya Saito, Naoyuki Uchida, Kazuma Inoue, Haruki Koshitouge
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Publication number: 20230250237Abstract: A polyorganosiloxane may be high in elasticity and/or strength. The polyorganosiloxane may include an M unit (R1R2R3SiO1/2) at a content of 10 mol. % or more relative to the total of silicon and a T unit (R6SiO3/2) at a content of 80 mol. % or less relative to the total of silicon. The polyorganosiloxane may have an alkoxy group bound, at a content of 0.07 to 4 wt. %, based on total polyorganosiloxane weight, and a reactive functional group bound to silicon, with 3 to 12 of the reactive functional groups bound on a number basis per a molecular weight of 1000 of the polyorganosiloxane. The weight loss of the polyorganosiloxane at 110° C. under 0.15 torr for 2 hours may be 5 wt. % or less.Type: ApplicationFiled: February 8, 2023Publication date: August 10, 2023Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Takumi WATANABE, Noriaki TERADA, Tsuyoshi NAGASAKA, Shogo KOGA, Kazuma INOUE, Kazunari MATSUMURA, Naomi FUJIMORI, Hiroo MIYAUCHI, Akemi HOSOKAWA
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Publication number: 20230143162Abstract: An epoxy resin represented by the following formula (1), in which in a total amount of an epoxy compound represented by n=1 in the epoxy resin of the above formula, a total content of an epoxy compound represented by the following formula (2) and an epoxy compound represented by the following formula (3) is 1 area % or more and less than 70 area % in HPLC area percentage.Type: ApplicationFiled: March 17, 2021Publication date: May 11, 2023Inventors: Yusuke Kawano, Masataka Nakanishi, Masato Yarita, Kazuma Inoue
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Patent number: 11608415Abstract: Provided are a polyorganosiloxane high in elasticity, high in strength and the like. The polyorganosiloxane is a polyorganosiloxane including an M unit (R1R2R3SiO1/2) at a content of 10% by mol or more relative to the total of silicon and a T unit (R6SiO3/2) at a content of 80% by mol or less relative to the total of silicon, the polyorganosiloxane having an alkoxy group bound and a reactive functional group bound to silicon, wherein the polyorganosiloxane has the alkoxy group bound at a content of 0.07 to 4% by weight based on the total weight of the polyorganosiloxane and has 3 to 12 of the reactive functional groups bound on a number basis per a molecular weight of 1000 of the polyorganosiloxane, and the weight loss of the polyorganosiloxane in heating at 110° C. under a reduced pressure of 0.15 torr for 2 hours is 5% by weight or less.Type: GrantFiled: June 13, 2019Date of Patent: March 21, 2023Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Takumi Watanabe, Noriaki Terada, Tsuyoshi Nagasaka, Shogo Koga, Kazuma Inoue, Kazunari Matsumura, Naomi Fujimori, Hiroo Miyauchi, Akemi Hosokawa
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Publication number: 20220333372Abstract: The present invention addresses the problem of providing a sound insulating structure which provides a sufficient sound insulating effect even when an adhesive layer is arranged therein, and in which a shift in the frequency band where the sound insulating effect is generated is unlikely to occur. This sound insulating structure includes, at least: a sound insulating member that includes a sheet-like sheet section and plural projections arranged on the sheet section; and an adhesive layer arranged on a surface of the sheet section on the opposite side of the side provided with the projections, and the sound insulating structure satisfies the following Formula (1): E_glue/I_glue>0.5×(E_membrane/H)(1) (wherein, E_glue (MPa): storage modulus of adhesive layer, I_glue (mm): average thickness of adhesive layer, E_membrane (MPa): storage modulus of sheet section and projections, and H (mm): average height of sheet section and projections).Type: ApplicationFiled: June 27, 2022Publication date: October 20, 2022Applicant: Mitsubishi Chemical CorporationInventors: Naoyuki Uchida, Kazuma Inoue, Masanari Nakayama
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Patent number: 11345777Abstract: Provided are an epoxy resin composition, a prepreg, a resin sheet, and a carbon fiber-reinforced composite material, which have high heat resistance, a high elastic modulus, low water absorption, and excellent flame resistance. This epoxy resin is a para-cresol novolac epoxy resin represented by General formula (1), in which a content ratio of components represented by n=1 as measured by gel permeation chromatography is less than 10% by area, and a content ratio of components represented by n=2 as measured by gel permeation chromatography is at least 1% by area and less than 40% by area. (In the formula, plural R's each independently represent a C1-6 alkyl group, n represents a real number of 1 to 10, and G represents a substituted or unsubstituted glycidyl group.Type: GrantFiled: July 23, 2019Date of Patent: May 31, 2022Assignee: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Yusuke Kawano, Masataka Nakanishi, Kazuma Inoue
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Patent number: 11291956Abstract: The hollow fiber membrane module contains a hollow fiber membrane bundle having bundled hollow fiber membranes, a housing with an internal space formed in which the hollow fiber membrane bundle is housed and a gas supply portion which disperses cleaning gas for the hollow fiber membrane in the internal space. The internal space has an upper space in which an upper-side part of the hollow fiber membrane is positioned and a lower space in which a lower-side part of the hollow fiber membrane is positioned. The gas supply portion is provided with pipe vent holes which disperse gas in the housing at a position in the upper space and diffusing vent holes which disperse gas in the housing at a position below the lower space.Type: GrantFiled: November 15, 2016Date of Patent: April 5, 2022Assignee: Kuraray Co., Ltd.Inventors: Hiroki Nakanishi, Koji Miyake, Kazuma Inoue
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Publication number: 20220028363Abstract: To provide a sound insulation sheet member which is excellent in sound insulation performance in a low frequency band and which has a compact configuration. A sound insulation sheet member 1 including a substrate 2 and a concavo-convex structure 3 placed on at least one surface of the substrate 2, in which the concavo-convex structure 3 is provided by repeatedly arranging a plurality of units each defined as a concavo-convex unit shape 4 including a linear convex portion 5, in one direction at substantially constant intervals on the surface of the substrate 2.Type: ApplicationFiled: September 27, 2021Publication date: January 27, 2022Applicant: Mitsubishi Chemical CorporationInventors: Haruki KOSHITOUGE, Shogo KOGA, Naoyuki UCHIDA, Kazuma INOUE, Masanari NAKAYAMA, Yuya SAITO
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Publication number: 20210206907Abstract: Provided are an epoxy resin composition, a prepreg, a resin sheet, and a carbon fiber-reinforced composite material, which have high heat resistance, a high elastic modulus, low water absorption, and excellent flame resistance. This epoxy resin is a para-cresol novolac epoxy resin represented by General formula (1), in which a content ratio of components represented by n=1 as measured by gel permeation chromatography is less than 10% by area, and a content ratio of components represented by n=2 as measured by gel permeation chromatography is at least 1% by area and less than 40% by area. (In the formula, plural R's each independently represent a C1-6 alkyl group, n represents a real number of 1 to 10, and G represents a substituted or unsubstituted glycidyl group.Type: ApplicationFiled: July 23, 2019Publication date: July 8, 2021Applicant: NIPPONKAYAKU KABUSHIKI KAISHAInventors: Yusuke KAWANO, Masataka NAKANISHI, Kazuma INOUE
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Publication number: 20210193101Abstract: An object of the present invention is to provide a sound-blocking sheet member that is relatively lightweight, has high sound-blocking performance overwhelming the law of mass action, and is excellent in terms of manufacturability and durability. The sound-blocking sheet member includes at least a sheet and a plurality of resonance portions. The resonance portion is provided in contact with a sheet surface of the sheet, and the resonance portion includes a weight portion and a base portion. The weight portion is supported by the base portion and has a larger mass than the base portion, and the weight portion has a penetration portion. The base portion is in contact with a surface on a resonance portion front end side of the weight portion and covers the weight portion.Type: ApplicationFiled: March 4, 2021Publication date: June 24, 2021Applicant: Mitsubishi Chemical CorporationInventors: Katsuhiko SUGIURA, Shogo KOGA, Naoyuki UCHIDA, Kazuma INOUE, Yukio KATO, Kohji UEHARA, Masashi MIURA
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Publication number: 20190292320Abstract: Provided are a polyorganosiloxane high in elasticity, high in strength and the like. The polyorganosiloxane is a polyorganosiloxane including an M unit (R1R2R3SiO1/2) at a content of 10% by mol or more relative to the total of silicon and a T unit (R6SiO3/2) at a content of 80% by mol or less relative to the total of silicon, the polyorganosiloxane having an alkoxy group bound and a reactive functional group bound to silicon, wherein the polyorganosiloxane has the alkoxy group bound at a content of 0.07 to 4% by weight based on the total weight of the polyorganosiloxane and has 3 to 12 of the reactive functional groups bound on a number basis per a molecular weight of 1000 of the polyorganosiloxane, and the weight loss of the polyorganosiloxane in heating at 110° C. under a reduced pressure of 0.15 torr for 2 hours is 5% by weight or less.Type: ApplicationFiled: June 13, 2019Publication date: September 26, 2019Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Takumi WATANABE, Noriaki TERADA, Tsuyoshi NAGASAKA, Shogo KOGA, Kazuma INOUE, Kazunari MATSUMURA, Naomi FUJIMORI, Hiroo MIYAUCHI, Akemi HOSOKAWA
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Publication number: 20180333681Abstract: The hollow fiber membrane module contains a hollow fiber membrane bundle having bundled hollow fiber membranes, a housing with an internal space formed in which the hollow fiber membrane bundle is housed and a gas supply portion which disperses cleaning gas for the hollow fiber membrane in the internal space. The internal space has an upper space in which an upper-side part of the hollow fiber membrane is positioned and a lower space in which a lower-side part of the hollow fiber membrane is positioned. The gas supply portion is provided with pipe vent holes which disperse gas in the housing at a position in the upper space and diffusing vent holes which disperse gas in the housing at a position below the lower space.Type: ApplicationFiled: November 15, 2016Publication date: November 22, 2018Applicant: Kuraray Co., Ltd.Inventors: Hiroki NAKANISHI, Koji MIYAKE, Kazuma INOUE
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Patent number: 9194781Abstract: A viscoelasticity measuring apparatus that measures viscoelasticity of a measurement target with high precision is provided. The measuring apparatus includes: a casing; a surface contact part provided in the casing and brought into surface contact with skin; a ball indenter that moves toward the skin more than the surface contact part and is pushed into the skin; a driving unit that supports the ball indenter and moves the ball indenter toward the skin; a load cell whose right end side is fixed to the casing and left end side supports the driving unit, the load cell detecting a pushing load that pushes the ball indenter into the skin; and a control unit that obtains displacement of the ball indenter.Type: GrantFiled: March 14, 2013Date of Patent: November 24, 2015Assignees: TANITA CORPORATION, TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGYInventors: Kazuma Inoue, Atsushi Sakuma
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Publication number: 20150075879Abstract: A weighing apparatus for weighing a mass of an object is provided with: a body; a load receiving device, a load detection device, an acting force detection device, and a data processing device configured to data-process an output of the load detection device as a weighed value in a mass unit.Type: ApplicationFiled: September 17, 2014Publication date: March 19, 2015Applicant: TANITA CORPORATIONInventors: Yoshio SAKAI, Kazuma INOUE, Atsuo KUMEKAWA
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Publication number: 20140020475Abstract: A viscoelasticity measuring apparatus that measures viscoelasticity of a measurement target with high precision is provided. The measuring apparatus includes: a casing; a surface contact part provided in the casing and brought into surface contact with skin; a ball indenter that moves toward the skin more than the surface contact part and is pushed into the skin; a driving unit that supports the ball indenter and moves the ball indenter toward the skin; a load cell whose right end side is fixed to the casing and left end side supports the driving unit, the load cell detecting a pushing load that pushes the ball indenter into the skin; and a control unit that obtains displacement of the ball indenter.Type: ApplicationFiled: July 22, 2013Publication date: January 23, 2014Inventors: Kazuma INOUE, Atsushi Sakuma
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Publication number: 20140020476Abstract: A viscoelasticity measuring apparatus that measures viscoelasticity of a measurement target with high precision is provided. The measuring apparatus includes: a casing; a surface contact part provided in the casing and brought into surface contact with skin; a ball indenter that moves toward the skin more than the surface contact part and is pushed into the skin; a driving unit that supports the ball indenter and moves the ball indenter toward the skin; a load cell whose right end side is fixed to the casing and left end side supports the driving unit, the load cell detecting a pushing load that pushes the ball indenter into the skin; and a control unit that obtains displacement of the ball indenter.Type: ApplicationFiled: March 14, 2013Publication date: January 23, 2014Applicants: TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY, TANITA CORPORATIONInventors: Kazuma INOUE, Atsushi SAKUMA
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Publication number: 20130105737Abstract: Zinc sulfide phosphor that has high energy efficiency and color purity and that emits blue light is provided. Specifically, a zinc sulfide phosphor adapted for use as a light source or in a display by being applied to powder EL elements is provided. The zinc sulfide blue phosphor comprises copper, silver or both elements and nickel, iron or both elements. The phosphor is obtained by adding a compound comprising copper, silver or both elements, a zinc compound, a sulfidizing agent and a compound comprising nickel, iron or both elements as an aqueous solution to an organic solvent to form a reaction mixture, heating the mixture and removing water from the reaction mixture by azeotropic dehydration of water and the organic solvent to obtain a zinc sulfide phosphor precursor, further sintering the zinc sulfide phosphor precursor.Type: ApplicationFiled: May 11, 2011Publication date: May 2, 2013Applicant: SAKAI CHEMICAL INDUSTRY CO., LTD.Inventors: Keiji Ono, Akihumi Sano, Hiroki Nagayoshi, Keita Kobayashi, Satoshi Komori, Atsuki Terabe, Yosuke Akahori, Kazuma Inoue, Hideharu Iwasaki
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Patent number: D965183Type: GrantFiled: September 1, 2020Date of Patent: September 27, 2022Assignee: Mitsubishi Chemical CorporationInventors: Katsuhiko Sugiura, Yukio Kato, Hiroshi Mitani, Kazuma Inoue, Naoyuki Uchida, Shogo Koga
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Patent number: D976448Type: GrantFiled: September 1, 2020Date of Patent: January 24, 2023Assignee: Mitsubishi Chemical CorporationInventors: Katsuhiko Sugiura, Yukio Kato, Hiroshi Mitani, Kazuma Inoue, Naoyuki Uchida, Shogo Koga