Patents by Inventor Yasuyuki HAMANO
Yasuyuki HAMANO 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: 20240092084Abstract: A technique capable of certainly suppressing adhesion of waste ink to hands, clothes, and the like during replacement of a waste ink tank is provided. There are included a container portion provided with an insertion port which a discharge member discharging waste ink can be inserted into and pulled out from and a shielding portion movable between a shielding position where the insertion port is shielded and an open position where the insertion port is opened.Type: ApplicationFiled: September 11, 2023Publication date: March 21, 2024Inventors: KOKI SHIMADA, TOSHIAKI SOMANO, YUTA ARAKI, KAORI KATAYAMA, YUSUKE TANAKA, TETSU HAMANO, ERIKA IYAMA, FUMIE KAMEYAMA, NOBUHIRO TOKI, YASUYUKI TAKANAKA, DAIJU TAKEDA
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Patent number: 11913996Abstract: An estimation device includes: a derivation unit (31) configured to derive a derivation history based on a current, a voltage of a lead-acid battery and a temperature of the lead-acid battery; a specifying unit (31) configured to specify one or more physical quantities based on the derivation history, and one or more relationships selected from a first relationship between a first history and an amount of positive active material, a second relationship between a second history and a specific surface area of a positive electrode material, a third relationship between a third history and bulk density of the positive active material, a fourth relationship between a fourth history and positive active material particles in a cluster size, a fifth relationship between a fifth history and a cumulative amount of lead sulfate of a negative electrode material, a sixth relationship between a sixth history and a specific surface area of the negative electrode material, a seventh relationship between a seventh history andType: GrantFiled: October 2, 2020Date of Patent: February 27, 2024Assignee: GS Yuasa International Ltd.Inventors: Yasunori Mizoguchi, Yasuyuki Hamano
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Patent number: 11658347Abstract: A lead-acid battery includes a positive electrode plate, a negative electrode plate, and an electrolyte solution, in which the positive electrode plate includes a positive current collector and a positive electrode material, the negative electrode plate includes a negative current collector and a negative electrode material, the positive current collector contains Sn in an amount of 0.95% by mass or more, the negative electrode material contains a polymer compound, and the polymer compound has a peak in a range of 3.2 ppm or more and 3.8 ppm or less in a chemical shift of 1H-NMR spectrum, or the polymer compound contains a repeating structure of oxy C2-4 alkylene units.Type: GrantFiled: May 29, 2020Date of Patent: May 23, 2023Assignee: GS Yuasa International Ltd.Inventors: Yasuyuki Hamano, Hiroki Kagohashi
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Publication number: 20220404420Abstract: An estimation device includes: a derivation unit (31) configured to derive a derivation history based on a current and a voltage of a lead-acid battery and a temperature of the lead-acid battery; a first specifying unit 31 configured to specify a specific gravity of an electrolyte solution; a second specifying unit (31) configured to specify at least one degree out of: a first degree of softening of a positive electrode material; a second degree of corrosion of a positive electrode grid; a third degree of sulfation of a negative electrode; and a fourth degree of shrinkage of a negative electrode material based on the specified specific gravity, the derived derivation history, and at least one relationship selected from the group consisting of: a first relationship between the specific gravity and a first history, and the first degree; a second relationship between the specific gravity and a second history; and the second degree; a third relationship between the specific gravity and a third history; and the thType: ApplicationFiled: October 2, 2020Publication date: December 22, 2022Inventors: Muhammad Syahid Fitri Bin Azahar, Yasuyuki HAMANO
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Publication number: 20220367927Abstract: An estimation device includes an acquisition unit that acquires current, voltage, and temperature of a lead-acid battery, a data accumulation unit that accumulates an integrated value or a calculated value of the current, voltage, and temperature that are acquired, an identification unit that identifies specific gravity of an electrolyte solution of the lead-acid battery based on history data accumulated in the data accumulation unit, an estimation unit that estimates a freezing risk of the lead-acid battery based on identified specific gravity of an electrolyte solution, and an output unit that outputs an estimation result of the estimation unit.Type: ApplicationFiled: October 2, 2020Publication date: November 17, 2022Inventors: Kazuki SEKIYA, Naohisa OKAMOTO, Yasuyuki HAMANO, Hidetoshi WADA
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Publication number: 20220349941Abstract: An estimation device includes: a derivation unit (31) configured to derive a derivation history based on a current, a voltage of a lead-acid battery and a temperature of the lead-acid battery; a specifying unit (31) configured to specify one or more physical quantities based on the derivation history, and one or more relationships selected from a first relationship between a first history and an amount of positive active material, a second relationship between a second history and a specific surface area of a positive electrode material, a third relationship between a third history and bulk density of the positive active material, a fourth relationship between a fourth history and positive active material particles in a cluster size, a fifth relationship between a fifth history and a cumulative amount of lead sulfate of a negative electrode material, a sixth relationship between a sixth history and a specific surface area of the negative electrode material, a seventh relationship between a seventh history andType: ApplicationFiled: October 2, 2020Publication date: November 3, 2022Inventors: Yasunori MIZOGUCHI, Yasuyuki HAMANO
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Publication number: 20220348109Abstract: An estimation device includes: an acquisition unit that acquires a voltage, a current, and a temperature of a lead-acid battery; a first deriving unit that derives a first SOC and a second SOC that are SOCs of a start point and an end point of an estimation period; a second deriving unit that derives a total amount of an overcharge amount in the estimation period; a third deriving unit that derives an actual measurement error based on a difference between the first SOC and the second SOC and the total amount of the overcharge amount; a first specification unit that specifies an estimation error based on the first SOC, the second SOC, and the temperature, and a relationship between the first SOC, the second SOC, and the temperature of the lead-acid battery, and the estimation error; a second specification unit that specifies an abnormality degree of the actual measurement error based on the derived actual measurement error and the specified estimation error; and an estimation unit that estimates generation ofType: ApplicationFiled: October 2, 2020Publication date: November 3, 2022Inventors: Naohisa OKAMOTO, Kazuki SEKIYA, Yasuyuki HAMANO, Hidetoshi WADA
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Publication number: 20220326311Abstract: An estimation device includes: a deriving unit (31) that derives a derivation history based on a current and a voltage of a lead-acid battery and a temperature of the lead-acid battery; a specifying unit 31 that specifies at least two degrees of a first degree of softening of a positive electrode material, a second degree of corrosion of a positive electrode grid, a third degree of negative electrode sulfation, and a fourth degree of shrinkage of a negative electrode material based on the derived derivation history and at least two relationships selected from the group consisting of: a first relationship between a first history based on the current, the voltage, and the temperature of the lead-acid battery, and the first degree; a second relationship between a second history and the second degree; a third relationship between a third history and the third degree; and a fourth relationship between a fourth history and the fourth degree; and an estimating unit (31) that estimates a degree of deterioration of thType: ApplicationFiled: October 2, 2020Publication date: October 13, 2022Inventor: Yasuyuki HAMANO
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Publication number: 20220246994Abstract: A lead-acid battery includes a positive electrode plate, a negative electrode plate, and an electrolyte solution, in which the positive electrode plate includes a positive current collector and a positive electrode material, the negative electrode plate includes a negative current collector and a negative electrode material, the positive current collector contains Sn in an amount of 0.95% by mass or more, the negative electrode material contains a polymer compound, and the polymer compound has a peak in a range of 3.2 ppm or more and 3.8 ppm or less in a chemical shift of 1H-NMR spectrum, or the polymer compound contains a repeating structure of oxy C2-4 alkylene units.Type: ApplicationFiled: May 29, 2020Publication date: August 4, 2022Inventors: Yasuyuki HAMANO, Hiroki KAGOHASHI
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Patent number: 10790501Abstract: A negative electrode material contains an organic anti-shrink agent which is soluble in water, and the organic anti-shrink agent, when extracted from the negative electrode material with an alkali aqueous solution, has an average particle size of not less than 0.1 ?m and not more than 9 ?m in sulfuric acid having a specific gravity of 1.25. A lead-acid battery includes a negative electrode plate containing an organic anti-shrink agent having a S element content of 4000 ?mol/g or more. The negative electrode contains 0.3 mg/cm3 or more of the S element in the organic anti-shrink agent.Type: GrantFiled: December 19, 2014Date of Patent: September 29, 2020Assignee: GS Yuasa International Ltd.Inventors: Yasuyuki Hamano, Ikumi Motoi
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Publication number: 20170092934Abstract: A negative electrode material contains an organic anti-shrink agent which is soluble in water, and the organic anti-shrink agent, when extracted from the negative electrode material with an alkali aqueous solution, has an average particle size of not less than 0.1 ?m and not more than 9 ?m in sulfuric acid having a specific gravity of 1.25. A lead-acid battery includes a negative electrode plate containing an organic anti-shrink agent having a S element content of 4000 ?mol/g or more. The negative electrode contains 0.3 mg/cm3 or more of the S element in the organic anti-shrink agent.Type: ApplicationFiled: December 19, 2014Publication date: March 30, 2017Inventors: Yasuyuki HAMANO, Ikumi MOTOI