Patents by Inventor Yoshikazu Hirose
Yoshikazu Hirose 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: 12077449Abstract: Provided is an alumina-based composite oxide having a large initial specific surface area and a small initial mean pore size, with excellent heat resistance of the specific surface area and pore volume; and a production method therefor. Specifically, provided is an alumina-based composite oxide wherein the initial crystallite diameter is 10 nm or less and the initial specific surface area is 80 m2/ml or more; after calcination at 1200° C. for 3 hours in air, the specific surface area is 10 m2/ml or more; the initial mean pore size is 10 nm or more and 50 nm or less; and after calcination at 1200° C. for 3 hours in air, the pore volume retention rate is 10% or more, which is determined by (P1/P0)×100 wherein P0 represents an initial pore volume (ml/g), and P1 represents a pore volume (ml/g) after calcination at 1200° C. for 3 hours in air.Type: GrantFiled: October 8, 2021Date of Patent: September 3, 2024Assignee: DAIICHI KIGENSO KAGAKU KOGYO CO., LTD.Inventors: Hiroyuki Hayashida, Yoshikazu Hirose
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Patent number: 11242264Abstract: Provided is an alumina-based composite oxide having a large initial specific surface area and a small initial mean pore size, with excellent heat resistance of the specific surface area and pore volume; and a production method therefor. Specifically, provided is an alumina-based composite oxide wherein the initial crystallite diameter is 10 nm or less and the initial specific surface area is 80 m2/ml or more; after calcination at 1200° C. for 3 hours in air, the specific surface area is 10 m2/ml or more; the initial mean pore size is 10 nm or more and 50 nm or less; and after calcination at 1200° C. for 3 hours in air, the pore volume retention rate is 10% or more, which is determined by (P1/P0)×100 wherein P0 represents an initial pore volume (ml/g), and P1 represents a pore volume (ml/g) after calcination at 1200° C. for 3 hours in air.Type: GrantFiled: June 30, 2017Date of Patent: February 8, 2022Assignee: DAIICHI KIGENSO KAGAKU KOGYO CO., LTD.Inventors: Hiroyuki Hayashida, Yoshikazu Hirose
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Publication number: 20220024779Abstract: Provided is an alumina-based composite oxide having a large initial specific surface area and a small initial mean pore size, with excellent heat resistance of the specific surface area and pore volume; and a production method therefor. Specifically, provided is an alumina-based composite oxide wherein the initial crystallite diameter is 10 nm or less and the initial specific surface area is 80 m2/ml or more; after calcination at 1200° C. for 3 hours in air, the specific surface area is 10 m2/ml or more; the initial mean pore size is 10 nm or more and 50 nm or less; and after calcination at 1200° C. for 3 hours in air, the pore volume retention rate is 10% or more, which is determined by (P1/P0)×100 wherein P0 represents an initial pore volume (ml/g), and P1 represents a pore volume (ml/g) after calcination at 1200° C. for 3 hours in air.Type: ApplicationFiled: October 8, 2021Publication date: January 27, 2022Applicant: DAIICHI KIGENSO KAGAKU KOGYO CO., LTD.Inventors: Hiroyuki Hayashida, Yoshikazu Hirose
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Publication number: 20200399139Abstract: Provided is an alumina-based composite oxide having a large initial specific surface area and a small initial mean pore size, with excellent heat resistance of the specific surface area and pore volume; and a production method therefor. Specifically, provided is an alumina-based composite oxide wherein the initial crystallite diameter is 10 nm or less and the initial specific surface area is 80 m2/ml or more; after calcination at 1200° C. for 3 hours in air, the specific surface area is 10 m2/ml or more; the initial mean pore size is 10 nm or more and 50 nm or less; and after calcination at 1200° C. for 3 hours in air, the pore volume retention rate is 10% or more, which is determined by (P1/P0)×100 wherein P0 represents an initial pore volume (ml/g), and P1 represents a pore volume (ml/g) after calcination at 1200° C. for 3 hours in air.Type: ApplicationFiled: June 30, 2017Publication date: December 24, 2020Applicant: DAIICHI KIGENSO KAGAKU KOGYO CO., LTD.Inventors: Hiroyuki Hayashida, Yoshikazu Hirose
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Patent number: 10209313Abstract: An accumulator and state of charge evaluation method for preparing, during charging and discharging, models for each of deterioration degrees, each representing a relationship between terminal voltage, current and state of charge, for selecting respective models for the times during charging and discharging in accordance with a total charging/discharging amount (Ah), a deterioration degree or an elapsed time of an operation of the accumulator, for further estimating state of charge from current accumulation, and for determining a final state of charge from estimated states of charge including a present state of charge estimated from the models for the times during charging and discharging of the accumulator, while using a time or a total charging/discharging amount (Ah) from a time of full-charging by equal charging of the accumulator up to present time to determine the final state of charge from the plurality of states of charge.Type: GrantFiled: June 22, 2010Date of Patent: February 19, 2019Assignee: Hitachi Chemical Company, Ltd.Inventors: Keiko Abe, Yasuhiro Kobayashi, Masahiro Watanabe, Hisaaki Takabayashi, Yoshikazu Hirose
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Patent number: 9861959Abstract: An exhaust gas purifying catalyst of the present invention includes: a first metal oxide selected from the group of praseodymium oxide, terbium oxide, and a combination thereof; a second metal oxide that is neodymium oxide; a third metal oxide that is zirconia or a combination of zirconia and ceria; and a fourth metal oxide selected from the group of lanthanum oxide, yttrium oxide, barium oxide, calcium oxide, strontium oxide, silicon oxide and a combination thereof.Type: GrantFiled: April 7, 2014Date of Patent: January 9, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DAIICHI KIGENSO KAGAKU KOGYO CO., LTD.AInventors: Kenji Sakurai, Shigeki Nakayama, Hiromasa Nishioka, Hiroyuki Hayashida, Yoshikazu Hirose
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Patent number: 9475435Abstract: A vehicle exterior component includes a honeycomb structure having an inner plate portion arranged in the vicinity of an engine compartment, an outer plate portion arranged at an outer side of the inner plate portion, and a honeycomb portion held between the plate portions. The honeycomb portion includes a plurality of partition walls and a plurality of cells, which are separated from one another by the partition walls. Each of the partition walls of each cell has communication holes, to allow communication between the engine compartment and the interior space of the cell. Each partition wall has an absorbing portion. When external force acting inward is applied to the partition wall, the absorbing portion absorbs energy produced by the external force through deformation of the partition wall at positions corresponding to the peripheries of the communication holes, of the partition wall.Type: GrantFiled: November 19, 2014Date of Patent: October 25, 2016Assignee: TOYODA GOSEI CO., LTD.Inventors: Yoshikazu Hirose, Shigeru Yabuya, Yoshihiro Kurosaki, Shohei Yamamoto
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Publication number: 20160121300Abstract: An exhaust gas purifying catalyst of the present invention includes: a first metal oxide selected from the group of praseodymium oxide, terbium oxide, and a combination thereof; a second metal oxide that is neodymium oxide; a third metal oxide that is zirconia or a combination of zirconia and ceria; and a fourth metal oxide selected from the group of lanthanum oxide, yttrium oxide, barium oxide, calcium oxide, strontium oxide, silicon oxide and a combination thereof.Type: ApplicationFiled: April 7, 2014Publication date: May 5, 2016Applicants: DAIICHI KIGENSO KAGAKU KOGYO CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kenji SAKURAI, Shigeki KAYAMA, Hiromasa NISHIOKA, Hiroyuki HAYASHIDA, Yoshikazu HIROSE
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Patent number: 9124135Abstract: While a control method is established which can maximize the lifetime of an storage battery based on a SOC capable of maximizing the lifetime of the storage battery under a temperature condition and a wind condition at an electricity generation site and on currently known ones of other operational conditions, a control system is constructed which can feedback to an actual wind power generation and storage battery system.Type: GrantFiled: January 6, 2010Date of Patent: September 1, 2015Assignee: SHIN-KOBE ELECTRIC MACHINERY CO., LTD.Inventors: Keiko Abe, Masahiro Watanabe, Yasuhiro Kobayashi, Toshiyuki Furukawa, Hisaaki Takabayashi, Yoshikazu Hirose
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Patent number: 9096463Abstract: A glass substrate chemically strengthened, includes a primary surface that has a compressive stress layer formed in an uppermost surface layer thereof. The compressive stress layer is configured to enhance strength of the glass substrate due to a compressive stress generated in the compressive stress layer. The compressive layer consists of a layer of a potassium ion concentration equal to or less than 5000 parts per million (ppm).Type: GrantFiled: July 30, 2014Date of Patent: August 4, 2015Assignee: HOYA CorporationInventors: Kazuaki Hashimoto, Yoshikazu Hirose
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Publication number: 20150145274Abstract: A vehicle exterior component includes a honeycomb structure having an inner plate portion arranged in the vicinity of an engine compartment, an outer plate portion arranged at an outer side of the inner plate portion, and a honeycomb portion held between the plate portions. The honeycomb portion includes a plurality of partition walls and a plurality of cells, which are separated from one another by the partition walls. Each of the partition walls of each cell has communication holes, to allow communication between the engine compartment and the interior space of the cell. Each partition wall has an absorbing portion. When external force acting inward is applied to the partition wall, the absorbing portion absorbs energy produced by the external force through deformation of the partition wall at positions corresponding to the peripheries of the communication holes, of the partition wall.Type: ApplicationFiled: November 19, 2014Publication date: May 28, 2015Inventors: Yoshikazu HIROSE, Shigeru YABUYA, Yoshihiro KUROSAKI, Shohei YAMAMOTO
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Patent number: 8895192Abstract: A grid plate for a lead acid storage battery including a frame section having a pair of quadrangular contour shape, and longitudinal and lateral grid strands forming a frame section grid. The longitudinal and lateral grid strands have thick strands of smaller thickness than the frame section, and thin strands of smaller width and thickness than the thick strands. Strands adjacent to the thick strands are thin strands, and space allows flow of active material to sides of the thick strands. Ends of the thick strands in the thickness direction are positioned further inward from end faces of the frame section in the thickness direction, and the end portions of one end side of the thin strands in the thickness direction are positioned offset to one end side of the thick strands in the thickness direction, and active material is packed into the reverse surface side of the grid plate.Type: GrantFiled: December 21, 2009Date of Patent: November 25, 2014Assignee: Shin-Kobe Electric Machinery Co., Ltd.Inventors: Hiroyuki Wakatabe, Katsura Mitani, Shinichi Sano, Yoshikazu Hirose, Ichiro Shimoura
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Publication number: 20140342146Abstract: A glass substrate chemically strengthened, includes a primary surface that has a compressive stress layer formed in an uppermost surface layer thereof. The compressive stress layer is configured to enhance strength of the glass substrate due to a compressive stress generated in the compressive stress layer. The compressive layer consists of a layer of a potassium ion concentration equal to or less than 5000 parts per million (ppm).Type: ApplicationFiled: July 30, 2014Publication date: November 20, 2014Inventors: KAZUAKI HASHIMOTO, YOSHIKAZU HIROSE
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Lead acid storage battery and lead acid storage battery system for natural energy utilization system
Patent number: 8866443Abstract: The life of a lead acid storage battery is extended by changing an over-frequency equalized charge interval performed on a lead acid storage battery, in accordance with a transition situation of a state of charge (SOC) of the lead acid storage battery. The lead acid storage battery is also made to be advantageous in terms of cost by reducing the equalized charge with a low degree of urgency to reduce the power and cost for equalized charge, and by reducing the number of stops of a natural energy storage system. A lead acid storage battery and a lead acid storage battery system whose operational management can be easily performed are achieved by a method in which the future timing when the equalized charge is performed can be grasped by people operating the lead acid storage battery.Type: GrantFiled: January 17, 2011Date of Patent: October 21, 2014Assignee: Shin-Kobe Electric Machinery Co., Ltd.Inventors: Keiko Abe, Yasuhiro Kobayashi, Masahiro Watanabe, Hisaaki Takabayashi, Yoshikazu Hirose, Shinichi Sano, Ichiro Shimoura -
Patent number: 8841028Abstract: A lead acid storage battery composed of plates, the lead acid storage battery being obtained by packing an active material into a grid plate provided with a frame section having a quadrangular profile shape, and lateral grid strands and longitudinal grid strands that form a grid inside the frame section. The lateral grid strands are composed of thick lateral strands having a thickness equal to the thickness of the frame section, and thin lateral strands of smaller width and thickness than the thick strands, the longitudinal grid strands being composed of thick longitudinal strands that have a thickness that is less than thickness of the frame section, one end in the thickness direction being arranged in the same plane as one end of the frame section in the thickness direction, and thin longitudinal strands of smaller width and thickness than the thick longitudinal strands.Type: GrantFiled: October 23, 2013Date of Patent: September 23, 2014Assignee: Shin-Kobe Electric Machinery Co., Ltd.Inventors: Yoshikazu Hirose, Shinichi Sano, Katsura Mitani, Hiroyuki Wakatabe
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Patent number: 8813520Abstract: A glass substrate chemically strengthened, includes a primary surface that has a compressive stress layer formed in an uppermost surface layer thereof. The compressive stress layer is configured to enhance strength of the glass substrate due to a compressive stress generated in the compressive stress layer. The compressive layer consists of a layer of a potassium ion concentration equal to or less than 5000 parts per million (ppm).Type: GrantFiled: December 24, 2009Date of Patent: August 26, 2014Assignee: HOYA CorporationInventors: Kazuaki Hashimoto, Yoshikazu Hirose
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Publication number: 20140106233Abstract: A lead acid storage battery composed of plates, the lead acid storage battery being obtained by packing an active material into a grid plate provided with a frame section having a quadrangular profile shape, and lateral grid strands and longitudinal grid strands that form a grid inside the frame section. The lateral grid strands are composed of thick lateral strands having a thickness equal to the thickness of the frame section, and thin lateral strands of smaller width and thickness than the thick strands, the longitudinal grid strands being composed of thick longitudinal strands that have a thickness that is less than thickness of the frame section, one end in the thickness direction being arranged in the same plane as one end of the frame section in the thickness direction, and thin longitudinal strands of smaller width and thickness than the thick longitudinal strands.Type: ApplicationFiled: October 23, 2013Publication date: April 17, 2014Applicant: SHIN-KOBE ELECTRIC MACHINERY CO., LTD.Inventors: Yoshikazu HIROSE, Shinichi SANO, Katsura MITANI, Hiroyuki WAKATABE
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Patent number: 8642175Abstract: A glass substrate chemically strengthened, includes a primary surface that has a compressive stress layer formed in an uppermost surface layer thereof. The compressive stress layer is configured to enhance strength of the glass substrate due to a compressive stress generated in the compressive stress layer. The compressive layer consists of a layer of a potassium ion concentration equal to or less than 5000 parts per million (ppm).Type: GrantFiled: April 26, 2012Date of Patent: February 4, 2014Assignee: HOYA CorporationInventors: Kazuaki Hashimoto, Yoshikazu Hirose
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Patent number: 8586243Abstract: A lead acid storage battery composed of plates, the lead acid storage battery being obtained by packing an active material into a grid plate provided with a frame section having a quadrangular profile shape, and lateral grid strands and longitudinal grid strands that form a grid inside the frame section.Type: GrantFiled: October 18, 2010Date of Patent: November 19, 2013Assignee: Shin-Kobe Electric Machinery Co., Ltd.Inventors: Yoshikazu Hirose, Shinichi Sano, Katsura Mitani, Hiroyuki Wakatabe
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Patent number: 8441236Abstract: There is provided a method for operating a lead acid storage battery in order to compensate for fluctuations in the amount of power generated by a solar power generation apparatus, a wind power generation apparatus, or another natural energy power generation device, the lead acid storage battery being charged by a power generation device and discharged to a load. The state of charge of the lead acid storage battery is maintained in a range of 30 to 90% where the fully charged state of the lead acid storage battery is 100%; and the lead acid storage battery is charged and discharged while the battery voltage is kept in a specified range of 1.80 to 2.42 V per cell to extend the service life of the battery. A reference temperature of 25° C. is established, and when the ambient temperature has risen above or fallen below the reference temperature, the upper and lower limit values of a specified range are corrected within a range of ?4 mV/° C. to ?6 mV/° C.Type: GrantFiled: October 26, 2009Date of Patent: May 14, 2013Assignee: Shin-Kobe Electric Machinery Co., Ltd.Inventors: Shinichi Sano, Katsura Mitani, Yoshikazu Hirose, Hiroyuki Wakatabe, Ichiro Shimoura