Patents by Inventor Jun Akedo
Jun Akedo 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: 20260153290Abstract: A heat dissipation structure includes a liquid metal as a heat dissipation material to transfer heat from a heat generating surface of a heating element to a heat absorbing surface of a heat dissipator. The heat generating surface and the heat absorbing surface face each other with a gap. A second region is provided to surround a periphery of a first region in each of the heat generating surface and the heat absorbing surface, such that the first region in the heat generating surface faces the first region in the heat absorbing surface and the second region in the heat generating surface faces the second region in the heat absorbing surface. The liquid metal fills an accommodating space between the first regions facing each other with the gap. A wettability of the liquid metal is relatively higher in the first region than in the second region.Type: ApplicationFiled: January 23, 2026Publication date: June 4, 2026Inventors: Taku GOTO, Yasuhito MATSUBAYASHI, Jun AKEDO
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Patent number: 12546011Abstract: A ceramic coating member with excellent rust prevention performance is provided. A ceramic coating member according to an embodiment of the present invention has a ceramic membrane arranged with ceramic fine particles on a metal substrate, wherein one-dimensional surface kurtosis (Rku) of the ceramic membrane is 3 or less, or two-dimensional surface kurtosis (Sku) is 3 or less, or 1<(Rkub·Hyp)/Hys<6, in the case where one-dimensional interface kurtosis of a convexoconcave formed at an interface of the ceramic membrane and the metal substrate is defined as Rkub, a hardness of the metal substrate is defined as Hvs, and a hardness of the ceramic particles is defined as Hvp.Type: GrantFiled: September 29, 2023Date of Patent: February 10, 2026Assignees: HOJITSU SEIKO CO., LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Jun Akedo, Isao Ohno
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Publication number: 20250286497Abstract: A ceramic film for a TPV power generation device, the ceramic film having a sufficiently high strength thus making it possible to obtain a desirable radiation spectrum, is provided. A ceramic film (20) according to an example embodiment is a ceramic film that is formed on a base material and has pores, and includes a plurality of high-density regions (1) having a density higher than an average density of the entire ceramic film and a plurality of low-density regions (2) having a density lower than the average density of the entire ceramic film. Further, the high-density regions (1) and the low-density regions (2) are stacked in layers. The ceramic film is composed of an oxide ceramic containing a rare-earth element.Type: ApplicationFiled: April 21, 2023Publication date: September 11, 2025Applicant: NEC CORPORATIONInventors: Taizo SHIBUYA, Akinobu SHIBUYA, Takashi MIYAZAKI, Kentaro SHINODA, Jun AKEDO, Mohammed Shahien YAMADA
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Patent number: 12365634Abstract: Disclosed is a highly dense aggregate of brittle material particles having an interface at which the particles are bonded to each other and pores between the brittle material particles structuring the highly dense aggregate, where a porosity which is a volume ratio of the pores with respect to the whole of the highly dense aggregate is equal to or less than 20%, and a volume ratio of the pores communicating with an apparent outer surface of the highly dense aggregate with respect to a volume of all of the pores of the highly dense aggregate is equal to or higher than 65%.Type: GrantFiled: November 17, 2021Date of Patent: July 22, 2025Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Muneyasu Suzuki, Jun Akedo, Shusuke Kanazawa, Motoshi Itagaki, Shun Hasegawa, Tetsuo Tsuchiya, Hirobumi Ushijima
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Publication number: 20240215584Abstract: An antiviral agent has a solvent and a low-solubility chlorhexidine. An article has an antiviral property in which a low-solubility chlorhexidine having solubility of 150 mg/100 mL or less in water at 20° C. is applied on a base material. An antimicrobial agent has a solvent and a low-solubility chlorhexidine. An article has an antimicrobial property in which a low-solubility chlorhexidine having solubility of 150 mg/100 mL or less in water at 20° C. is applied on a base material. An antifungal agent has a solvent and a low-solubility chlorhexidine. An article has an antifungal property in which a low-solubility chlorhexidine having solubility of 150 mg/100 mL or less in water at 20° C. is applied on a base material.Type: ApplicationFiled: March 8, 2024Publication date: July 4, 2024Inventors: Takeji Ueda, Yoichi Yamada, Jun Akedo, Taku Goto, Hisato Kato
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Publication number: 20240018663Abstract: A ceramic coating member with excellent rust prevention performance is provided. A ceramic coating member according to an embodiment of the present invention has a ceramic membrane arranged with ceramic fine particles on a metal substrate, wherein one-dimensional surface kurtosis (Rku) of the ceramic membrane is 3 or less, or two-dimensional surface kurtosis (Sku) is 3 or less, or 1<(Rkub·Hyp)/Hys<6, in the case where one-dimensional interface kurtosis of a convexoconcave formed at an interface of the ceramic membrane and the metal substrate is defined as Rkub, a hardness of the metal substrate is defined as Hvs, and a hardness of the ceramic particles is defined as Hvp.Type: ApplicationFiled: September 29, 2023Publication date: January 18, 2024Inventors: Jun AKEDO, Isao OHNO
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Publication number: 20230234084Abstract: Provided is a film forming apparatus capable of stably supplying a large amount of ceramic raw material powder for a long time and forming a homogeneous and dense film. A film forming apparatus 1 for forming a film on a base material K includes an aerosol transport path 10 for ejecting an aerosol obtained by dispersing a ceramic raw material powder in a gas, from an ejection end 10a toward the base material K, in which a flow path cross-section at an ejection end 10a of the aerosol transport path 10 has a substantially circular shape with an area of 10 mm2 or more.Type: ApplicationFiled: March 31, 2021Publication date: July 27, 2023Inventors: Kyohei Manabe, Katsuki Higaki, Hisao Ohnishi, Mitsuaki Echigo, Tadayuki Sogi, Jun Akedo, Rintaro Aoyagi, Hiroaki Matsui, Kentaro Shinoda, Hiroki Tsuda
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Publication number: 20230109626Abstract: A coating film has a surfactant having a hydrophobic group or a lipophilic group and a hydrophilic group, and a film having holes on a surface thereof capable of carrying the surfactant. The surfactant has the lipophilic group of 5 or more carbon atoms and does not evaporate at room temperature. The film is a porous film. A porosity of the porous film is 5% or more and 60% or less. The surfactant is an abietic acid-based compound. Alternatively, the surfactant is chlorhexidine. A hole diameter of the holes is greater than 10 times as large as a size of a virus.Type: ApplicationFiled: December 2, 2022Publication date: April 6, 2023Inventors: Takeji Ueda, Yoichi Yamada, Jun Akedo
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Patent number: 11535941Abstract: A problem to be solved by the present invention is that there is no method for forming a dense structure on a porous structure at low cost. In addition, another object is to provide a high quality and inexpensive structure of a brittle material and a laminate thereof as an intermediate layer for facilitating formation of a dense structure on a porous structure. A structure is provided having a brittle particle assembly having a plurality of brittle particles, wherein the brittle particle assemblies are arranged adjacently to each other, and the brittle particles having a brittle material region in the periphery are crosslinked (connected) by the brittle material region to bond the brittle particles to each other, and thereby form a brittle material crosslinked structure region preventing the mobility of the brittle particles.Type: GrantFiled: January 24, 2020Date of Patent: December 27, 2022Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Kentaro Shinoda, Takanori Saeki, Masakazu Mori, Jun Akedo
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Patent number: 11338545Abstract: A laminate comprising a plastic substrate (A); a hardened organic polymer layer (B) provided on a surface of the plastic substrate (A) and having a storage elastic modulus of from 0.01 to 5 GPa and tan ? of from 0.1 to 2.0 at 25° C. which are measured at a temperature elevating rate of 2° C./min by a dynamic viscoelasticity test stipulated in JIS K 7244; an organic/inorganic composite layer (C) provided on a surface of the hardened organic polymer layer (B) and containing covalently bound organic polymer and metal oxide nanoparticles; and an inorganic layer (D) provided on a surface of the organic/inorganic composite layer (C) and comprising secondary particles of ceramic or metal.Type: GrantFiled: April 17, 2018Date of Patent: May 24, 2022Assignees: National Institute of Advanced Industrial Science and Technology, Arakawa Chemical Industries, Ltd.Inventors: Hiroaki Noda, Jun Akedo, Hideki Goda, Takeshi Fukuda, Haruhisa Togashi
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Publication number: 20220073434Abstract: Disclosed is a highly dense aggregate of brittle material particles having an interface at which the particles are bonded to each other and pores between the brittle material particles structuring the highly dense aggregate, where a porosity which is a volume ratio of the pores with respect to the whole of the highly dense aggregate is equal to or less than 20%, and a volume ratio of the pores communicating with an apparent outer surface of the highly dense aggregate with respect to a volume of all of the pores of the highly dense aggregate is equal to or higher than 65%.Type: ApplicationFiled: November 17, 2021Publication date: March 10, 2022Inventors: Muneyasu SUZUKI, Jun Akedo, Shusuke Kanazawa, Motoshi Itagaki, Shun Hasegawa, Tetsuo Tsuchiya, Hirobumi Ushijima
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Patent number: 11225436Abstract: A layered structure having high adhesive properties, and high hardness or excellent transparency, is prepared on a base material such as a resin. A layered structure including: an organic-inorganic hybrid member containing a primary inorganic particle and an organic polymer covalently bound to each other, wherein the primary inorganic particle forms a network containing the polymer; and a particle aggregate layer containing a secondary particle which is deposited on the organic-inorganic hybrid member and is composed of an inorganic material or a metallic material; wherein in the organic-inorganic hybrid member, the primary inorganic particle and the secondary particle have different crystal particle sizes.Type: GrantFiled: May 16, 2017Date of Patent: January 18, 2022Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Jun Akedo, Hiroaki Noda, Hiroki Tsuda, Nobuo Sakamoto
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Patent number: 11145567Abstract: A heat-radiating substrate with a high insulation-withstand voltage and an excellent heat-radiating property is provided. The heat-radiating substrate includes: a metal base material; a metal thin layer formed over the metal base material and having a hardness higher than a hardness of the metal base material; and a ceramic layer over the metal thin layer. Alternatively, the heat-radiating substrate includes, instead of the metal thin layer, a hardened layer serving as a surface layer of the metal base material and having a hardness higher than the hardness of the metal base material. The metal thin layer and the hardened layer are able to enhance compressive stress or prevent release of the compressive stress generated in the ceramic layer by a mechanical impact applied to the ceramic layer.Type: GrantFiled: August 8, 2018Date of Patent: October 12, 2021Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Jun Akedo, Hiroki Tsuda
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Publication number: 20210114337Abstract: A laminate comprising a plastic substrate (A); a hardened organic polymer layer (B) provided on a surface of the plastic substrate (A) and having a storage elastic modulus of from 0.01 to 5 GPa and tan ? of from 0.1 to 2.0 at 25° C. which are measured at a temperature elevating rate of 2° C./min by a dynamic viscoelasticity test stipulated in JIS K 7244; an organic/inorganic composite layer (C) provided on a surface of the hardened organic polymer layer (B) and containing covalently bound organic polymer and metal oxide nanoparticles; and an inorganic layer (D) provided on a surface of the organic/inorganic composite layer (C) and comprising secondary particles of ceramic or metal.Type: ApplicationFiled: April 17, 2018Publication date: April 22, 2021Applicants: National Institute of Advanced Industrial Science and Technology, Arakawa Chemical Industries, Ltd.Inventors: Hiroaki Noda, Jun Akedo, Hideki Goda, Takeshi Fukuda, Haruhisa Togashi
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Publication number: 20210114364Abstract: First brittle material particles; and second brittle material particles having smaller size than the first brittle material particles, wherein a void formed between the first brittle material particles is filled with at least one of the second brittle material particles, at a porosity of less than 20%.Type: ApplicationFiled: December 4, 2020Publication date: April 22, 2021Inventors: Muneyasu SUZUKI, Jun AKEDO, Tetsuo TSUCHIYA
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Patent number: 10841548Abstract: An oscillating mirror element includes a mirror portion, a drive portion that drives the mirror portion, a strain sensor capable of detecting an amount of displacement of the mirror portion, and a base including a mirror beam portion provided with the mirror portion, a sensor beam portion provided with the strain sensor, and a body portion that supports the mirror beam portion and the sensor beam portion and is provided with the drive portion.Type: GrantFiled: February 28, 2017Date of Patent: November 17, 2020Assignees: FUNAI ELECTRIC CO., LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Fuminori Tanaka, Takeshi Inoda, Ken Nishioka, Jun Akedo
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Publication number: 20200157690Abstract: A problem to be solved by the present invention is that there is no method for forming a dense structure on a porous structure at low cost. In addition, another object is to provide a high quality and inexpensive structure of a brittle material and a laminate thereof as an intermediate layer for facilitating formation of a dense structure on a porous structure. A structure is provided having a brittle particle assembly having a plurality of brittle particles, wherein the brittle particle assemblies are arranged adjacently to each other, and the brittle particles having a brittle material region in the periphery are crosslinked (connected) by the brittle material region to bond the brittle particles to each other, and thereby form a brittle material crosslinked structure region preventing the mobility of the brittle particles.Type: ApplicationFiled: January 24, 2020Publication date: May 21, 2020Inventors: Kentaro Shinoda, Takanori Saeki, Masakazu Mori, Jun Akedo
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Publication number: 20190372159Abstract: A method for producing a lithium solid state battery having a solid electrolyte membrane with high Li ion conductivity, in which firm interface bonding is formed on both sides of the membrane, comprising steps of: a membrane-forming step of forming CSE1 not containing a binder, composed of a sulfide solid electrolyte material, on a cathode active material layer by an AD method and ASE1 not containing a binder, composed of a sulfide solid electrolyte material, on an anode active material layer by an AD method, and a pressing step of forming SE1 with the CSE1 and the ASE1 integrated by opposing and pressing the CSE1 and the ASE1, wherein the SE1 such that an interface between the CSE1 and the ASE1 disappeared is formed by improving denseness of the CSE1 and the ASE1 in the pressing step.Type: ApplicationFiled: August 9, 2019Publication date: December 5, 2019Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Muneyasu SUZUKI, Jun AKEDO, Takashi TAKEMOTO
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Publication number: 20190210914Abstract: A layered structure having high adhesive properties, and high hardness or excellent transparency, is prepared on a base material such as a resin. A layered structure including: an organic-inorganic hybrid member containing a primary inorganic particle and an organic polymer covalently bound to each other, wherein the primary inorganic particle forms a network containing the polymer; and a particle aggregate layer containing a secondary particle which is deposited on the organic-inorganic hybrid member and is composed of an inorganic material or a metallic material; wherein in the organic-inorganic hybrid member, the primary inorganic particle and the secondary particle have different crystal particle sizes.Type: ApplicationFiled: May 16, 2017Publication date: July 11, 2019Applicant: National Institute of Advanced Industrial Science and TechnologyInventors: Jun AKEDO, Hiroaki NODA, Hiroki TSUDA, Nobuo SAKAMOTO
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Patent number: 10347929Abstract: Realized are a high-performance electrochemical element and solid oxide fuel cell in which the contact properties between a dense and highly-gastight electrolyte layer and an electrode layer are improved while the treatment temperature during formation of the electrolyte layer is suppressed to a low temperature, and methods for producing the same. An electrochemical element includes an electrode layer 3, and an electrolyte layer 4 arranged on the electrode layer 3, wherein the electrode layer 3 has a plurality of pores that are open on a face thereof in contact with the electrolyte layer 4, and the pores are filled with fine particles made of the same components as the electrolyte layer 4.Type: GrantFiled: September 18, 2015Date of Patent: July 9, 2019Assignees: Osaka Gas Co., Ltd., National Institute of Advanced Industrial Science and TechnologyInventors: Mitsuaki Echigo, Hisao Ohnishi, Kyohei Manabe, Osamu Yamazaki, Kazuyuki Minami, Jun Akedo, Toshio Suzuki