Patents by Inventor Osamu Hiroi
Osamu Hiroi 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: 10591228Abstract: The present invention provides an antifouling coating formed from a water-based coating composition comprising 0.1% by mass to 10% by mass of ultrafine silica particles having an average particle size equal to or less than 25 nm, 5% by mass to 50% by mass, relative to the ultrafine silica particles, of a zirconium compound which is at least one selected from zirconium chloride and zirconyl chloride, and 30% by mass to 99.5% by mass of water. In accordance with the present invention, it is possible to provide an antifouling coating that can maintain the antifouling performance and hydrophilicity and prevent corrosion of fins even under an environment with a large amount of contaminating substances, such as metal particles, in the air.Type: GrantFiled: July 10, 2018Date of Patent: March 17, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yasuhiro Yoshida, Yoshinori Yamamoto, Osamu Hiroi
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Patent number: 10202511Abstract: To provide a hydrophilic coating film that excels not only in initial humidification performance, but also in long-term humidification performance as well as to provide a production method for the hydrophilic coating film, and a humidification element. A hydrophilic coating film (7) contains porous silica gel particles (3), fine inorganic particles (2) having an average particle diameter smaller than an average pore diameter of the silica gel particles (3), and a thickener (8). A production method for the hydrophilic coating film (7) coats a base material (1) with a coating composition and dries the coated base material (1), the coating composition containing water (6), a thickener (6), porous silica gel particles (3), and fine inorganic particles (2) having an average particle diameter smaller than an average pore diameter of the silica gel particles (3).Type: GrantFiled: June 5, 2014Date of Patent: February 12, 2019Assignee: Mitsubishi Electric CorporationInventors: Tasuku Izutani, Yoshinori Yamamoto, Yasuhiro Yoshida, Osamu Hiroi, Masaru Takada, Hiroshi Tsutsumi
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Publication number: 20180320999Abstract: The present invention provides an antifouling coating formed from a water-based coating composition comprising 0.1% by mass to 10% by mass of ultrafine silica particles having an average particle size equal to or less than 25 nm, 5% by mass to 50% by mass, relative to the ultrafine silica particles, of a zirconium compound which is at least one selected from zirconium chloride and zirconyl chloride, and 30% by mass to 99.5% by mass of water. In accordance with the present invention, it is possible to provide an antifouling coating that can maintain the antifouling performance and hydrophilicity and prevent corrosion of fins even under an environment with a large amount of contaminating substances, such as metal particles, in the air.Type: ApplicationFiled: July 10, 2018Publication date: November 8, 2018Applicant: Mitsubishi Electric CorporationInventors: Yasuhiro Yoshida, Yoshinori Yamamoto, Osamu Hiroi
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Patent number: 10048026Abstract: The present invention provides an antifouling coating formed from a water-based coating composition comprising 0.1% by mass to 10% by mass of ultrafine silica particles having an average particle size equal to or less than 25 nm, 5% by mass to 50% by mass, relative to the ultrafine silica particles, of a zirconium compound which is at least one selected from zirconium chloride and zirconyl chloride, and 30% by mass to 99.5% by mass of water. In accordance with the present invention, it is possible to provide an antifouling coating that can maintain the antifouling performance and hydrophilicity and prevent corrosion of fins even under an environment with a large amount of contaminating substances, such as metal particles, in the air.Type: GrantFiled: August 22, 2013Date of Patent: August 14, 2018Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yasuhiro Yoshida, Yoshinori Yamamoto, Osamu Hiroi
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Publication number: 20160251521Abstract: To provide a hydrophilic coating film that excels not only in initial humidification performance, but also in long-term humidification performance as well as to provide a production method for the hydrophilic coating film, and a humidification element. A hydrophilic coating film (7) contains porous silica gel particles (3), fine inorganic particles (2) having an average particle diameter smaller than an average pore diameter of the silica gel particles (3), and a thickener (8). A production method for the hydrophilic coating film (7) coats a base material (1) with a coating composition and dries the coated base material (1), the coating composition containing water (6), a thickener (6), porous silica gel particles (3), and fine inorganic particles (2) having an average particle diameter smaller than an average pore diameter of the silica gel particles (3).Type: ApplicationFiled: June 5, 2014Publication date: September 1, 2016Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tasuku IZUTANI, Yoshinori YAMAMOTO, Yasuhiro YOSHIDA, Osamu HIROI, Masaru TAKADA, Hiroshi TSUTSUMI
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Publication number: 20150241146Abstract: The present invention provides an antifouling coating formed from a water-based coating composition comprising 0.1% by mass to 10% by mass of ultrafine silica particles having an average particle size equal to or less than 25 nm, 5% by mass to 50% by mass, relative to the ultrafine silica particles, of a zirconium compound which is at least one selected from zirconium chloride and zirconyl chloride, and 30% by mass to 99.5% by mass of water. In accordance with the present invention, it is possible to provide an antifouling coating that can maintain the antifouling performance and hydrophilicity and prevent corrosion of fins even under an environment with a large amount of contaminating substances, such as metal particles, in the air.Type: ApplicationFiled: August 22, 2013Publication date: August 27, 2015Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Yasuhiro Yoshida, Yoshinori Yamamoto, Osamu Hiroi
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Patent number: 8329328Abstract: The storage cell includes a flat roll electrode that includes a strip of positive electrode having a positive electrode current collector foil and a positive electrode layer formed thereon, a strip of negative electrode having an electrode current collector foil and a negative electrode layer formed, and a strip of electrically insulated separator, the strip of positive electrode and the strip of negative electrode being wound into a flat roll configuration with the strip of electrically insulated separator sandwiched therebetween; a sealed casing that hermetically seals the flat roll electrode impregnated with an electrolyte; a positive terminal and a negative terminal each electrically insulated from the sealed casing, connected to the positive current collector foil and the negative current collector foil, respectively.Type: GrantFiled: March 12, 2012Date of Patent: December 11, 2012Assignee: Mitsubishi Electric CorporationInventors: Kenro Mitsuda, Daigo Takemura, Osamu Hiroi, Shigeru Aihara
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Patent number: 8310810Abstract: The present invention relates to an electric double-layer capacitor and a method for producing same capable of evenly and rapidly doping a negative electrode layer with lithium ions. The electric double-layer capacitor comprises: a positive electrode including a positive electrode layer formed on one surface of a positive electrode current collector; a negative electrode including a negative electrode layer formed on one surface of a negative electrode current collector; a first separator disposed between the positive electrode layer and the negative electrode layer; and a second separator disposed between the positive electrode current collector and the negative electrode current collector, in which the negative electrode includes holes penetrating through the negative electrode current collector and reaching the negative electrode layer.Type: GrantFiled: November 5, 2008Date of Patent: November 13, 2012Assignee: Mitsubishi Electric CorporationInventors: Osamu Hiroi, Daigo Takemura, Kenro Mitsuda, Shigeru Aihara, Kazuki Kubo, Yasushi Uehara
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Patent number: 8288032Abstract: An energy storage device cell includes: a capacitor cathode including a capacitor cathode collector foil, and a capacitor cathode electrode layer formed on one face of the capacitor cathode collector foil and containing microparticles of activated carbon; a first separator; a common anode including an anode collector foil having a through-hole, and an anode electrode layer formed on one face of the anode collector foil; a second separator; and a battery cathode including a battery cathode collector foil, and a battery cathode electrode layer formed on one face of the battery cathode collector foil and containing particles of a lithium-containing metal compound. The first separator is sandwiched by the capacitor cathode electrode layer and the anode electrode layer. The second separator is sandwiched by the anode collector foil and the battery cathode electrode layer.Type: GrantFiled: December 5, 2008Date of Patent: October 16, 2012Assignee: Mitsubishi Electric CorporationInventors: Kenro Mitsuda, Osamu Hiroi, Daigo Takemura, Shigeru Aihara
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Publication number: 20120171522Abstract: The storage cell includes a flat roll electrode that includes a strip of positive electrode having a positive electrode current collector foil and a positive electrode layer formed thereon, a strip of negative electrode having an electrode current collector foil and a negative electrode layer formed, and a strip of electrically insulated separator, the strip of positive electrode and the strip of negative electrode being wound into a flat roll configuration with the strip of electrically insulated separator sandwiched therebetween; a sealed casing that hermetically seals the flat roll electrode impregnated with an electrolyte; a positive terminal and a negative terminal each electrically insulated from the sealed casing, connected to the positive current collector foil and the negative current collector foil, respectively.Type: ApplicationFiled: March 12, 2012Publication date: July 5, 2012Applicant: Mitsubishi Electric CorporationInventors: Kenro Mitsuda, Daigo Takemura, Osamu Hiroi, Shigeru Aihara
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Patent number: 8173289Abstract: The storage cell includes a flat roll electrode that includes a strip of positive electrode having a positive electrode current collector foil and a positive electrode layer formed thereon, a strip of negative electrode having an electrode current collector foil and a negative electrode layer formed, and a strip of electrically insulated separator, the strip of positive electrode and the strip of negative electrode being wound into a flat roll configuration with the strip of electrically insulated separator sandwiched therebetween; a sealed casing that hermetically seals the flat roll electrode impregnated with an electrolyte; a positive terminal and a negative terminal each electrically insulated from the sealed casing, connected to the positive current collector foil and the negative current collector foil, respectively.Type: GrantFiled: November 12, 2008Date of Patent: May 8, 2012Assignee: Mitsubishi Electric CorporationInventors: Kenro Mitsuda, Daigo Takemura, Osamu Hiroi, Shigeru Aihara
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Publication number: 20090148759Abstract: An energy storage device cell includes: a capacitor cathode including a capacitor cathode collector foil, and a capacitor cathode electrode layer formed on one face of the capacitor cathode collector foil and containing microparticles of activated carbon; a first separator; a common anode including an anode collector foil having a through-hole, and an anode electrode layer formed on one face of the anode collector foil; a second separator; and a battery cathode including a battery cathode collector foil, and a battery cathode electrode layer formed on one face of the battery cathode collector foil and containing particles of a lithium-containing metal compound. The first separator is sandwiched by the capacitor cathode electrode layer and the anode electrode layer. The second separator is sandwiched by the anode collector foil and the battery cathode electrode layer.Type: ApplicationFiled: December 5, 2008Publication date: June 11, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kenro MITSUDA, Osamu Hiroi, Daigo Takemura, Shigeru Aihara
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Publication number: 20090147442Abstract: The present invention relates to an electric double-layer capacitor and a method for producing same capable of evenly and rapidly doping a negative electrode layer with lithium ions. The electric double-layer capacitor comprises: a positive electrode including a positive electrode layer formed on one surface of a positive electrode current collector; a negative electrode including a negative electrode layer formed on one surface of a negative electrode current collector; a first separator disposed between the positive electrode layer and the negative electrode layer; and a second separator disposed between the positive electrode current collector and the negative electrode current collector, in which the negative electrode includes holes penetrating through the negative electrode current collector and reaching the negative electrode layer.Type: ApplicationFiled: November 5, 2008Publication date: June 11, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Osamu HIROI, Daigo Takemura, Kenro Mitsuda, Shigeru Aihara, Kazuki Kubo, Yasushi Uehara
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Publication number: 20090136832Abstract: The storage cell comprises a flat roll electrode that includes a strip of positive electrode having a positive electrode current collector foil and a positive electrode layer formed thereon, a strip of negative electrode having an electrode current collector foil and a negative electrode layer formed, and a strip of electrically insulated separator, the strip of positive electrode and the strip of negative electrode being wound into a flat roll configuration with the strip of electrically insulated separator sandwiched therebetween; a sealed casing that hermetically seals the flat roll electrode impregnated with an electrolyte; a positive terminal and a negative terminal each electrically insulated from the sealed casing, connected to the positive current collector foil and the negative current collector foil, respectively.Type: ApplicationFiled: November 12, 2008Publication date: May 28, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kenro MITSUDA, Daigo Takemura, Osamu Hiroi, Shigeru Aihara
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Patent number: 7534517Abstract: A fuel cell includes a solid polymer electrolyte membrane and cathode and anode catalyst layers held between a fuel electrode substrate having a surface area larger than that of the cathode catalyst layer and an oxidizer electrode substrate having a surface area larger than that of the anode catalyst layer. The fuel electrode substrate includes a fuel-sealing support portion surrounding the cathode catalyst layer. The oxidizer electrode substrate includes an oxidizer-sealing support portion surrounding the anode catalyst layer. The fuel-sealing and oxidizer-sealing support portions each include pores partially or wholly filled with a resin. The fuel-sealing support portion is bonded to the membrane by the resin at a position closer to an outer edge of the membrane than is the cathode catalyst. The oxidizer-sealing support portion is bonded to the membrane by the resin at a position closer to the outer edge of the membrane than is the anode catalyst.Type: GrantFiled: October 27, 2004Date of Patent: May 19, 2009Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Osamu Hiroi, Hisatoshi Fukumoto, Shoji Yoshioka, Hideo Maeda, Hiroaki Urushibata, Hironori Kuriki, Takashi Nishimura
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Patent number: 7141328Abstract: A fuel cell includes an electrolyte membrane, an anode on one surface of the electrolyte membrane and having an anode catalyst layer that is supplied with fuel and contains a platinum-ruthenium alloy catalyst, and a cathode on the other surface of the electrolyte membrane and having an cathode catalyst layer that is supplied with air and contains a platinum catalyst. The anode catalyst layer and the cathode catalyst layer include divided catalyst segments, and gaps between the divided catalyst segments that are adjacent to each other.Type: GrantFiled: August 12, 2002Date of Patent: November 28, 2006Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Hisatoshi Fukumoto, Osamu Hiroi, Kenro Mitsuda, Hideo Maeda, Yasuhiro Yoshida, Tatsuya Hayashi, Akihisa Yoshimura
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Publication number: 20050214622Abstract: A fuel cell in which gas short-cutting is prevented without reducing effective area for electrode reaction. At least one of a fuel gas flow path and an oxidizing gas flow path includes flow grooves having bends and fluid flowing between ends of the flow grooves. The effective reaction area of the flow grooves on a separator plate is rectangular, having a first side in the direction along which the bends are aligned longer than a second side in the direction along their main extents, located upstream and downstream of the bends, where the fluid flows in opposing directions.Type: ApplicationFiled: July 20, 2004Publication date: September 29, 2005Applicant: Mitsubishi Denki Kabushiki KaishaInventors: Shoji Yoshioka, Tatsunori Okada, Osamu Hiroi
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Publication number: 20050191539Abstract: A fuel cell that prevents gas slippage, with minimal reduction in effective area for electrode reaction. At least one of a fuel gas flow path and an oxidizing gas flow path is configured with flow channels having bends and so that gas flows between ends of the flow channels, and, among ridges between a neighboring upstream-side portion of a flow channel and a downstream-side portion of the flow channel, a gas diffusion layer touching at least a ridge between an upstream region of the flow channel on the upstream side and a downstream region of the flow channel on the downstream side, has a lower porosity than the gas diffusion layer touching other ridges and touching the flow channels.Type: ApplicationFiled: August 5, 2004Publication date: September 1, 2005Applicant: Mitsubishi Denki Kabushiki KaishaInventors: Shoji Yoshioka, Tatsunori Okada, Osamu Hiroi
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Publication number: 20050123819Abstract: A fuel cell includes a membrane electrode composite body in which a cathode catalyst layer and an anode catalyst layer are joined to central portions of two surfaces of a solid polymer electrolyte membrane and further held from two sides between a fuel electrode substrate having a surface area that is larger than that of the cathode catalyst layer and an oxidizer electrode substrate having a surface area that is larger than that of the anode catalyst layer, wherein: pores of a fuel-sealing support portion surrounding the cathode catalyst layer in the fuel electrode substrate are partially or wholly filled with a resin; pores of an oxidizer-sealing support portion surrounding the anode catalyst layer in the oxidizer electrode substrate are partially or wholly filled with the resin; and the fuel-sealing support portion and the oxidizer-sealing support portion are bonded to the solid polymer electrolyte membrane by the resin.Type: ApplicationFiled: October 27, 2004Publication date: June 9, 2005Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Osamu Hiroi, Hisatoshi Fukumoto, Shoji Yoshioka, Hideo Maeda, Hiroaki Urushibata, Hironori Kuriki, Takashi Nishimura
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Patent number: 6723467Abstract: Conventional separators had a function that their melting made minute holes inside the separator smaller, leading to cut off of ion conductivity in temperature increase due to unusual conditions such as short circuit. However, there was a problem that, at a temperature higher than a certain degree, not only the minute holes were closed but also the separator itself was melted to cause deformation of the separator such as shrink and generation of holes due to melting and insulation was broken. The present invention has been carried out in order to solve the above problems. The separator for batteries of the present invention comprises a first porous layer (3a) containing a thermoplastic resin as a main component and a second porous layer (3b) laminated on the first porous layer (3a), which has higher heat resistance than that of the first porous layer (3a).Type: GrantFiled: February 22, 2001Date of Patent: April 20, 2004Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Yasuhiro Yoshida, Osamu Hiroi, Kouji Hamano, Daigo Takemura, Sigeru Aihara, Hisashi Shiota, Jun Aragane, Hiroaki Urushibata, Michio Murai, Takayuki Inuzuka