Patents by Inventor Hiroshi Ogasa
Hiroshi Ogasa 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: 11876184Abstract: To provide a lithium secondary battery capable of suppressing short circuits and having high energy density and high output. An electrolyte medium for a lithium secondary battery includes a low dielectric constant solvent, a lithium salt, and a polyvalent cation salt. The polyvalent cation salt is dispersed as particles in the electrolyte medium and can flow without being immobilized. The electrolyte medium includes 20 mass % or less of a high dielectric constant solvent. A lithium secondary battery including the electrolyte medium for a lithium secondary battery can suppress short circuits and provide high energy density and high output.Type: GrantFiled: September 17, 2021Date of Patent: January 16, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Hiroshi Ogasa, Hideki Kurihara, Masashi Inamoto
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Publication number: 20230295497Abstract: Provided is a method for producing a nitride phosphor. The method includes obtaining a first heat-treated product having a crystallite diameter of not less than 150 nm by subjecting a compound containing at least one rare-earth element selected from the group consisting of Y, La, Ce, Lu, and Gd to heat treatment at a temperature within a range of 800° C. to 1800° C.; and obtaining a second heat-treated product by subjecting a mixture containing the first heat-treated product and a raw material contained as required to heat treatment at a temperature within a range of 1200° C. to 1800° C. The raw material contains an M source containing at least one rare-earth element M selected from the group consisting of Y, Lu, and Gd; an La source; an Si source; and a Ce source. The mixture is prepared with the raw materials such that a fed composition is represented by a Formula of LawMxSi6Ny:Cez. In this Formula, w, x, y, and z satisfy 0.5?w?4.5, 0<x?1.5, 0?y?12, 0<z?1.5, 0.15<(x+z)<3.0, and 3.0?(w+x+z)?7.5.Type: ApplicationFiled: August 5, 2021Publication date: September 21, 2023Applicant: NICHIA CORPORATIONInventors: Hiroshi OGASA, Shigeki YOSHIDA, Hiroyuki WATANABE
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Publication number: 20220393228Abstract: A lithium (Li) secondary battery having a Li buffer layer compressed between a Li metal anode and an electrolyte of the battery cell and a porous structure positioned between the Li metal anode and a current collector of the battery cell. The Li buffer layer is effective in preventing uncontrollable dendrite growth. The porous structure layer is effective in guiding the location of the Li deposition, thereby reducing the volume changes of the Li anode during the charge and discharge cycles of the lithium secondary battery.Type: ApplicationFiled: March 1, 2022Publication date: December 8, 2022Inventors: Akihiro Kushima, Supriya Koul, Yoshiya Fujiwara, Yoshiyuki Morita, Fumika Fujisaki, Hiroshi Ogasa
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Publication number: 20220085415Abstract: To provide a lithium secondary battery capable of suppressing short circuits and having high energy density and high output. An electrolyte medium for a lithium secondary battery includes a low dielectric constant solvent, a lithium salt, and a polyvalent cation salt. The polyvalent cation salt is dispersed as particles in the electrolyte medium and can flow without being immobilized. The electrolyte medium includes 20 mass % or less of a high dielectric constant solvent. A lithium secondary battery including the electrolyte medium for a lithium secondary battery can suppress short circuits and provide high energy density and high output.Type: ApplicationFiled: September 17, 2021Publication date: March 17, 2022Inventors: Hiroshi OGASA, Hideki KURIHARA, Masashi INAMOTO
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Patent number: 11084977Abstract: Provided are a ceramic complex having high light emission intensity and a method for producing the same. Proposed is a ceramic complex, including a rare earth aluminate fluorescent material having a composition represented by the following formula (I) and an aluminum oxide, wherein the content of the aluminum oxide is 70% by mass or more, the content of Na is 7 ppm by mass or less, the content of Si is 5 ppm by mass or less, the content of Fe is 3 ppm by mass or less, and the content of Ga is 5 pm by mass or less, relative to the total amount of the rare earth aluminate fluorescent material having a composition represented by the following formula (I) and the aluminum oxide. (Ln1-aCea)3Al5O12 ??(I) wherein Ln represents at least one element selected from the group consisting of Y, Gd, Lu, and Tb; and a satisfies 0<a?0.022.Type: GrantFiled: August 28, 2019Date of Patent: August 10, 2021Assignee: NICHIA CORPORATIONInventors: Naoto Fujioka, Tadayoshi Yanagihara, Keisuke Suzuki, Hiroshi Ogasa
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Publication number: 20210095204Abstract: A method for producing a rare earth aluminate fluorescent material includes: subjecting a compound containing Ln that is at least one rare earth element to a first heat treatment at a temperature in a range of 1,000° C. or more and 1,600° C. or less; preparing a raw material containing an oxide containing Ln having a crystallite diameter of 1,500 ? or more obtained through the first heat treatment, a compound containing Ce, a compound containing Al, and optionally a compound containing Ga, having a chemical composition having a total molar ratio of Ln and Ce of 3, a total molar ratio of Al and Ga of a product of 5 and a parameter k of 0.95 or more and 1.05 or less, a molar ratio of Ce of a product of 3 and a parameter n of 0.005 or more and 0.050 or less, and a molar ratio of Ga of a product of a parameter m of 0 or more and 0.6 or less, the parameter k, and 5, and providing a mixture containing the raw material and a compound containing an alkaline earth metal element as a flux in an amount of 2.Type: ApplicationFiled: September 27, 2020Publication date: April 1, 2021Applicant: NICHIA CORPORATIONInventors: Hiroshi Ogasa, Masato Okawa, Atsushi Yoshinari, Kazuya Nishimata
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Publication number: 20200071606Abstract: Provided are a ceramic complex having high light emission intensity and a method for producing the same. Proposed is a ceramic complex, including a rare earth aluminate fluorescent material having a composition represented by the following formula (I) and an aluminum oxide, wherein the content of the aluminum oxide is 70% by mass or more, the content of Na is 7 ppm by mass or less, the content of Si is 5 ppm by mass or less, the content of Fe is 3 ppm by mass or less, and the content of Ga is 5 pm by mass or less, relative to the total amount of the rare earth aluminate fluorescent material having a composition represented by the following formula (I) and the aluminum oxide. (Lni-aCea)3Al5O12 ??(I) wherein Ln represents at least one element selected from the group consisting of Y, Gd, Lu, and Tb; and a satisfies 0<a?0.022.Type: ApplicationFiled: August 28, 2019Publication date: March 5, 2020Applicant: NICHIA CORPORATIONInventors: Naoto FUJIOKA, Tadayoshi YANAGIHARA, Keisuke SUZUKI, Hiroshi OGASA
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Publication number: 20170018804Abstract: To provide an electrolyte and a magnesium secondary battery that can embody a magnesium secondary battery having room-temperature operability and satisfactory cyclability. An electrolyte 13 including an organic solvent, magnesium salt and cyclic acid anhydride is provided. Cyclic acid anhydride is preferably contained at a concentration at least equimolar to magnesium salt, and is further preferably contained at a molar concentration 1.0 to 3.0 times that of magnesium salt. Further, a magnesium secondary battery 1 including these electrolyte 13 and a negative electrode 12 containing magnesium or magnesium alloy is provided.Type: ApplicationFiled: July 12, 2016Publication date: January 19, 2017Applicants: HONDA MOTOR CO., LTD., SAITAMA PREFECTUREInventors: Hiroshi Ogasa, Toru Sukigara, Hideki Kurihara, Masashi Inamoto
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Patent number: 8215463Abstract: A variable damping-force damper includes a cylinder tube filled with magnetic particles (MRF), a piston that is slidably disposed within the cylinder tube, a piston rod connected with the piston and is disposed so as to protrude out of one end of the cylinder tube and a rod guide that closes one end of the cylinder tube and slidably supports the piston rod. The cylinder tube has a Ni plating film whose Vickers hardness is 800 VHN or more on its inner peripheral surface and the piston slides relative to the Ni plating film. The rod guide has a structure having a predetermined base material portion and a fluorine resin contained Ni plating film that is treated by heat and is provided on the surface of the base material portion. The piston rod slides relative to the fluorine resin contained Ni plating film.Type: GrantFiled: February 9, 2009Date of Patent: July 10, 2012Assignee: Honda Motor Co., Ltd.Inventors: Yohei Kondo, Hidetoshi Amano, Shinji Yamashita, Hajime Kajiwara, Hiroshi Ogasa, Yoshitomo Azekatsu
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Publication number: 20090200126Abstract: A variable damping-force damper includes a cylinder tube filled with magnetic particles (MRF), a piston that is slidably disposed within the cylinder tube, a piston rod connected with the piston and is disposed so as to protrude out of one end of the cylinder tube and a rod guide that closes one end of the cylinder tube and slidably supports the piston rod. The cylinder tube has a Ni plating film whose Vickers hardness is 800 VHN or more on its inner peripheral surface and the piston slides relative to the Ni plating film. The rod guide has a structure having a predetermined base material portion and a fluorine resin contained Ni plating film that is treated by heat and is provided on the surface of the base material portion. The piston rod slides relative to the fluorine resin contained Ni plating film.Type: ApplicationFiled: February 9, 2009Publication date: August 13, 2009Applicant: Honda Motor Co., Ltd.Inventors: Yohei Kondo, Hidetoshi Amano, Shinji Yamashita, Hajime Kajiwara, Hiroshi Ogasa, Yoshitomo Azekatsu
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Patent number: 6974156Abstract: A fuel tank structure for a vehicle using gaseous fuel, has a plurality of cylindrical tank main bodies communicating from one another. The plurality of cylindrical tank main bodies are disposed at a fuel tank mount portion in a state of being adjoined from one another.Type: GrantFiled: March 18, 2003Date of Patent: December 13, 2005Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Masami Kosuge, Mitsuo Sugiyama, Mitsuru Sayama, Morio Kuroki, Nagatsugu Mukaibo, Hiroshi Ogasa
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Patent number: 6637193Abstract: A natural gas engine capable of exhaust emission control over the entire temperature range and at low costs without requiring a complicated structure. An adsorbent (7) is disposed between a fuel tank (4) and a fuel supply port (5) on a suction air passage (2), and NMOG in the fuel gas supplied to the fuel tank (4) is adsorbed by the adsorbent (7) to purify the fuel gas in advance. When the temperature of a catalyst (11) disposed on an exhaust passage (3) reaches an activation temperature, the adsorbent (7) is heated by a heater (9) to a desorption temperature to desorb NMOG from the adsorbent (7) and purify the NMOG by the catalyst (11).Type: GrantFiled: April 12, 2002Date of Patent: October 28, 2003Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Masaru Oku, Hiroshi Ogasa, Mari Kohno
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Patent number: 6632768Abstract: An adsorbent for HC in an exhaust gas is an agglomerate of double-structure particles, each of which includes an HC-adsorbing zeolite core, and a ceramic coat wrapping the zeolite core and having a plurality of through-pores communicating with a plurality of pores in the zeolite core. Each of the double-structure particles is at least one of a double-structure particle including the zeolite core comprising a single zeolite particle, and a double-structure particle including the zeolite core comprising a plurality of zeolite particles. Each of the through-pores in the ceramic coat has such a shape that the HC is easy to flow into the through-pore and difficult to flow out of the through-pore.Type: GrantFiled: March 12, 2001Date of Patent: October 14, 2003Assignees: University of Missouri-Columbia, Honda Giken Kogyo Kabushiki KaishaInventors: Sudarshan Loyalka, Tushar Ghosh, Robert V. Tompson, Jr., George Vosnidis, Gregory A. Holscher, Hiroshi Ogasa, Tetsuo Endo
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Publication number: 20030178422Abstract: A fuel tank structure for a vehicle using gaseous fuel, has a plurality of cylindrical tank main bodies communicating from one another. The plurality of cylindrical tank main bodies are disposed at a fuel tank mount portion in a state of being adjoined from one another.Type: ApplicationFiled: March 18, 2003Publication date: September 25, 2003Applicant: HONDA GIKEN KOGYO KABUSHIKI KAISHAInventors: Masami Kosuge, Mitsuo Sugiyama, Mitsuru Sayama, Morio Kuroki, Nagatsugu Mukaibo, Hiroshi Ogasa
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Publication number: 20020178715Abstract: A natural gas engine capable of exhaust emission control over the entire temperature range and at low costs without requiring a complicated structure. An adsorbent (7) is disposed between a fuel tank (4) and a fuel supply port (5) on a suction air passage (2), and NMOG in the fuel gas supplied to the fuel tank (4) is adsorbed by the adsorbent (7) to purify the fuel gas in advance. When the temperature of a catalyst (11) disposed on an exhaust passage (3) reaches an activation temperature, the adsorbent (7) is heated by a heater (9) to a desorption temperature to desorb NMOG from the adsorbent (7) and purify the NMOG by the catalyst (11).Type: ApplicationFiled: April 12, 2002Publication date: December 5, 2002Inventors: Masaru Oku, Hiroshi Ogasa, Mari Kohno
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Publication number: 20020160905Abstract: An adsorbent for HC in an exhaust gas is an agglomerate of double-structure particles, each of which includes an HC-adsorbing zeolite core, and a ceramic coat wrapping the zeolite core and having a plurality of through-pores communicating with a plurality of pores in the zeolite core. Each of the double-structure particles is at least one of a double-structure particle including the zeolite core comprising a single zeolite particle, and a double-structure particle including the zeolite core comprising a plurality of zeolite particles. Each of the through-pores in the ceramic coat has such a shape that the HC is easy to flow into the through-pore and difficult to flow out of the through-pore.Type: ApplicationFiled: March 12, 2001Publication date: October 31, 2002Applicant: UNIVERSITY OF MISSOURI-COLUMBIAInventors: Sudarshan Loyalka, Tushar Ghosh, Robert V. Tompson, George Vosnidis, Gregory A. Holscher, Hiroshi Ogasa, Tetsuo Endo
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Patent number: 6329316Abstract: A granular active carbon for natural-gas occlusion is disclosed which can occlude natural gas at a relatively low pressure and has a high natural-gas occlusion capacity. The granular active carbon for natural-gas occlusion has first and second pores for the occlusion of constituent gas molecules of natural gas. The first pores each has a diameter d1, satisfying 2d<d1≦2.5d, while the second pores each has a diameter d2 satisfying 5d<d2≦6d, wherein d is the diameter of the constituent gas molecules.Type: GrantFiled: January 29, 1999Date of Patent: December 11, 2001Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Hiroshi Ogasa, Yusaku Sakata, Akinori Muto
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Patent number: 6293590Abstract: First, second and third fuel tanks 38a, 38b and 38c each packed with adsorbent 39 can be shaped to any desired forms and are installed within space regions 36a, 36b and 36c that are defined by two longitudinal frame beams 26 and 28 and four transverse frame beams 30b, 30c, 30d and 30e. These arrangements provide a space saving mounting structure of fuel tanks on automobiles fueled with natural gas.Type: GrantFiled: May 12, 1999Date of Patent: September 25, 2001Assignee: Honda Giken Kogyo Kabushiki KaishaInventor: Hiroshi Ogasa