Patents by Inventor Yuji Kawakami
Yuji Kawakami 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: 20240077812Abstract: A developing device includes a developing member to carry developer stored by a developing frame, and a regulating blade having a support plate fixed to the developing frame, a plate-like member, and a regulating member. One end portion of the plate-like member is opposed to the developing member, and the other end portion is welded to the support plate. The regulating member is fixed to a plate-like member surface, and contacts the developing member to regulate a developer thickness on a developing surface. The regulating member is provided with a recessed portion recessed at a regulating member end portion. The regulating member end portion is lower than a regulating member central portion. A plate-like member region welded to the support plate is located at the plate-like member other end portion and overlaps the regulating member central portion and the regulating member end portion at which the recessed portion is provided.Type: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Inventors: Yu Fukasawa, Takuya Kawakami, Yuji Kawaguchi
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Positive electrode active material for lithium ion secondary batteries and method for producing same
Patent number: 11569504Abstract: The production method is a method for producing a positive electrode active material for a lithium ion secondary battery which contains at least nickel and lithium, the method including: a firing process in which a mixture of a nickel compound powder and a lithium compound powder is fired; and a water washing process in which a lithium-nickel composite oxide powder obtained in the firing process is washed with water, wherein the firing process is performed under conditions such that a value obtained by dividing a ratio of an amount-of-substance of lithium to a total amount-of-substance of transition metals other than lithium in the lithium-nickel composite oxide powder after the washing with water by a ratio of an amount-of-substance of lithium to a total amount-of-substance of transition metals other than lithium in the lithium-nickel composite oxide powder before the washing with water exceeds 0.95.Type: GrantFiled: October 22, 2018Date of Patent: January 31, 2023Assignee: SUMITOMO METAL MINING CO., LTD.Inventors: Yasutaka Kamata, Yuji Kawakami, Tomomichi Nihei -
Patent number: 11133504Abstract: A nickel complex oxide having a carbon content of 0.15% by mass or lower.Type: GrantFiled: October 25, 2018Date of Patent: September 28, 2021Assignee: SUMITOMO METAL MINING CO., LTD.Inventors: Yuji Kawakami, Tomomichi Nihei
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POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERIES AND METHOD FOR PRODUCING SAME
Publication number: 20210020933Abstract: The production method is a method for producing a positive electrode active material for a lithium ion secondary battery which contains at least nickel and lithium, the method including: a firing process in which a mixture of a nickel compound powder and a lithium compound powder is fired; and a water washing process in which a lithium-nickel composite oxide powder obtained in the firing process is washed with water, wherein the firing process is performed under conditions such that a value obtained by dividing a ratio of an amount-of-substance of lithium to a total amount-of-substance of transition metals other than lithium in the lithium-nickel composite oxide powder after the washing with water by a ratio of an amount-of-substance of lithium to a total amount-of-substance of transition metals other than lithium in the lithium-nickel composite oxide powder before the washing with water exceeds 0.95.Type: ApplicationFiled: October 22, 2018Publication date: January 21, 2021Inventors: Yasutaka Kamata, Yuji Kawakami, Tomomichi Nihei -
Publication number: 20200287214Abstract: A nickel complex oxide having a carbon content of 0.15% by mass or lower.Type: ApplicationFiled: October 25, 2018Publication date: September 10, 2020Inventors: Yuji KAWAKAMI, Tomomichi NIHEI
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Patent number: 10414749Abstract: A process for preparing 3-[(S)-7-bromo-2-((2-oxo propyl)amino)-5-pyridin-2-yl-3H-1,4,-benzodiazepin-3-yl]propionic acid methyl ester (compound (FK)), at a high conversion rate with good reproducibility by oxidizing 3-[(S)-7-bromo-2-(2-hydroxypropylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3yl]propionic acid methyl ester (compound (EM)), in the presence of an oxidation catalyst is provided by defining the ammonium ion content of the oxidation reaction mixture.Type: GrantFiled: January 19, 2018Date of Patent: September 17, 2019Assignee: Paion UK LimitedInventors: Yuji Kawakami, Tatsushi Murase, Daisuke Tanaka, Hideyuki Yoshiyama, Shinitsu Kuwabe
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Patent number: 10092846Abstract: A game device for controlling a game in which a function is applied to a movable object by moving an aiming cursor to be superimposed on the movable object, includes a cursor moving unit for moving the aiming cursor according to a user's operation; a specific region setting unit for setting a specific region on a screen, in which the aiming cursor is movable; a cursor within region setting unit for setting a size of the aiming cursor within the specific region so as to change the size of the aiming cursor according to a location within the specific region; and a specific region moving unit for moving the specific region according to a user's operation before a movement of the movable object is started.Type: GrantFiled: September 9, 2014Date of Patent: October 9, 2018Assignee: KONAMI DIGITAL ENTERTAINMENT CO., LTD.Inventors: Daisuke Sogabe, Keiji Matsukita, Yuji Kawakami
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Patent number: 9981941Abstract: A process for preparing 3-[(4S)-8-bromo-1-methyl-6-(2-pyridinyl)-4H-imidazo[1,2-a][1,4]-benzodiazepin-4-yl]propionic acid methyl ester benzenesulfonate by oxidation of 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]d-iazepin-3-yl]propionic acid methyl ester in the presence of an oxidation catalyst is provided.Type: GrantFiled: April 14, 2017Date of Patent: May 29, 2018Assignee: PAION UK LIMITEDInventors: Yuji Kawakami, Tatsushi Murase, Daisuke Tanaka, Hideyuki Yoshiyama, Shinitsu Kuwabe
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Publication number: 20180141928Abstract: A process for preparing 3-[(S)-7-bromo-2-(2-oxo-propylamino)-5-pyridin-2-yl-3H-1,4,-benzodiazepin-3-yl]propionic acid methyl ester at a high conversion rate with good reproducibility by oxidizing 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester in the presence of an oxidation catalyst is provided by defining the ammonium ion content of 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester.Type: ApplicationFiled: January 19, 2018Publication date: May 24, 2018Applicant: PAION UK LIMITEDInventors: Yuji Kawakami, Tatsushi Murase, Daisuke Tanaka, Hideyuki Yoshiyama, Shinitsu Kuwabe
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Patent number: 9937555Abstract: The present invention provides a silver powder that has an appropriate viscosity range at the time of paste production, can be easily kneaded, and prevents flake occurrence. The silver powder has a dibutyl phthalate absorption amount, measured by a method of JIS-K6217-4, of 7.0 to 9.5 ml/100 g, and has an oil absorption profile at the time of measurement of the absorption amount, having two peaks, or one peak having a half width of not more than 1.5 ml/100 g.Type: GrantFiled: October 2, 2013Date of Patent: April 10, 2018Assignee: SUMITOMO METAL MINING CO., LTD.Inventors: Yuji Kawakami, Akihiro Murakami, Toshiaki Terao, Isao Kaneko
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Patent number: 9796018Abstract: Provided is a silver powder which has an appropriate viscosity range at the time of paste production, can be easily kneaded, and prevents the occurrence of flakes. The silver powder to be used has a specific surface area ratio SAB/SAS of 0.5 to 0.9, wherein SAB is a specific surface area measured by the BET method, and SAS is a specific surface area calculated from a mean primary-particle diameter DS measured with a scanning electron microscope. Furthermore, the silver powder preferably has a degree of aggregation of 1.5 to 5.0, the degree being obtained in such a manner that a volume median diameter D50 measured by laser diffraction scattering is divided by the foregoing Ds.Type: GrantFiled: October 2, 2013Date of Patent: October 24, 2017Assignee: SUMITOMO METAL MINING CO., LTD.Inventors: Toshiaki Terao, Yuji Kawakami
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Publication number: 20170217925Abstract: A process for preparing 3-[(S)-7-bromo-2-(2-oxo-propylamino)-5-pyridin-2-yl-3H-1,4,-benzodiazepin-3-yl]propionic acid methyl ester at a high conversion rate with good reproducibility by oxidizing 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester in the presence of an oxidation catalyst is provided by defining the ammonium ion content of 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester.Type: ApplicationFiled: April 14, 2017Publication date: August 3, 2017Applicant: PAION UK LIMITEDInventors: Yuji KAWAKAMI, Tatsushi MURASE, Daisuke TANAKA, Hideyuki YOSHIYAMA, Shinitsu KUWABE
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Patent number: 9656987Abstract: A process for preparing 3-[(S)-7-bromo-2-(2-oxo-propylamino)-5-pyridin-2-yl-3H-1,4,-benzodiazepin-3-yl]propionic acid methyl ester at a high conversion rate with good reproducibility by oxidizing 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester in the presence of an oxidation catalyst is provided by defining the ammonium ion content of 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester.Type: GrantFiled: March 3, 2014Date of Patent: May 23, 2017Assignee: PAION UK LIMITEDInventors: Yuji Kawakami, Tatsushi Murase, Daisuke Tanaka, Hideyuki Yoshiyama, Shinitsu Kuwabe
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Patent number: 9333992Abstract: Provided is an upper slewing body comprising: an upper frame, a cab including a bottom frame, a plurality of pillars including an outer pillar, and an entrance; an antivibration mount; a displacement restrainer restraining a cab displacement in a direction of rising away from the upper frame; and a reinforcing member attached to a lower end of the outer pillar for reinforcing a joint between the lower end and the bottom frame. The displacement restrainer includes a penetrating member vertically penetrating the reinforcing member and the bottom frame and secured to the upper frame. The displacement restrainer and the reinforcing member includes respective load transmitting surfaces for transmitting a load to each other above the joint between the bottom frame and the outer pillar when the cab is displaced in the rising direction by a specific amount or more.Type: GrantFiled: July 16, 2015Date of Patent: May 10, 2016Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Akira Kinoshita, Keiji Yamamoto, Yuji Kawakami
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Publication number: 20160031494Abstract: Provided is an upper slewing body comprising: an upper frame, a cab including a bottom frame, a plurality of pillars including an outer pillar, and an entrance; an antivibration mount; a displacement restrainer restraining a cab displacement in a direction of rising away from the upper frame; and a reinforcing member attached to a lower end of the outer pillar for reinforcing a joint between the lower end and the bottom frame. The displacement restrainer includes a penetrating member vertically penetrating the reinforcing member and the bottom frame and secured to the upper frame. The displacement restrainer and the reinforcing member includes respective load transmitting surfaces for transmitting a load to each other above the joint between the bottom frame and the outer pillar when the cab is displaced in the rising direction by a specific amount or more.Type: ApplicationFiled: July 16, 2015Publication date: February 4, 2016Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Akira KINOSHITA, Keiji YAMAMOTO, Yuji KAWAKAMI
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Publication number: 20160009680Abstract: A process for preparing 3-[(S)-7-bromo-2-(2-oxo-propylamino)-5-pyridin-2-yl-3H-1,4,-benzodiazepin-3-yl]propionic acid methyl ester at a high conversion rate with good reproducibility by oxidizing 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester in the presence of an oxidation catalyst is provided by defining the ammonium ion content of 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester.Type: ApplicationFiled: March 3, 2014Publication date: January 14, 2016Applicant: PAION UK LIMITEDInventors: Yuji KAWAKAMI, Tatsushi MURASE, Daisuke TANAKA, Hideyuki YOSHIYAMA, Shinitsu KUWABE
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Publication number: 20160001361Abstract: A silver powder is provided that has thixotropy suitable for utilization as a paste, combines the thixotropy with good dispersibility, is easy to knead, and prevents flake generation. The silver powder has a maximum torque per specific surface area of not less than 2 N·g/m and not more than 5 N·g/m, the maximum torque per specific surface area being obtained by dividing a maximum torque determined in accordance with a method for measuring an absorption amount defined by JIS K6217-4 by a specific surface area determined by the BET method.Type: ApplicationFiled: July 11, 2013Publication date: January 7, 2016Applicant: SUMITOMO METAL MINING CO., LTD.Inventors: Toshiaki TERAO, Yuji KAWAKAMI, Akihiro MURAKAMI
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Publication number: 20150314370Abstract: The present invention provides a silver powder that has an appropriate viscosity range at the time of paste production, can be easily kneaded, and prevents flake occurrence. The silver powder has a dibutyl phthalate absorption amount, measured by a method of JIS-K6217-4, of 7.0 to 9.5 ml/100 g, and has an oil absorption profile at the time of measurement of the absorption amount, having two peaks, or one peak having a half width of not more than 1.5 ml/100 g.Type: ApplicationFiled: October 2, 2013Publication date: November 5, 2015Inventors: Yuji KAWAKAMI, Akihiro MURAKAMI, Toshiaki TERAO, Isao KANEKO
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Publication number: 20150314371Abstract: Provided is a silver powder which has an appropriate viscosity range at the time of paste production, can be easily kneaded, and prevents the occurrence of flakes. The silver powder to be used has a specific surface area ratio SAB/SAS of 0.5 to 0.9, wherein SAB is a specific surface area measured by the BET method, and SAS is a specific surface area calculated from a mean primary-particle diameter DS measured with a scanning electron microscope. Furthermore, the silver powder preferably has a degree of aggregation of 1.5 to 5.0, the degree being obtained in such a manner that a volume median diameter D50 measured by laser diffraction scattering is divided by the foregoing Ds.Type: ApplicationFiled: October 2, 2013Publication date: November 5, 2015Inventors: Toshiaki TERAO, Yuji KAWAKAMI
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Publication number: 20150072745Abstract: A game device for controlling a game in which a function is applied to a movable object by moving an aiming cursor to be superimposed on the movable object, includes a cursor moving unit for moving the aiming cursor according to a user's operation; a specific region setting unit for setting a specific region on a screen, in which the aiming cursor is movable; a cursor within region setting unit for setting a size of the aiming cursor within the specific region so as to change the size of the aiming cursor according to a location within the specific region; and a specific region moving unit for moving the specific region according to a user's operation before a movement of the movable object is started.Type: ApplicationFiled: September 9, 2014Publication date: March 12, 2015Applicant: Konami Digital Entertainment Co., Ltd.Inventors: Daisuke Sogabe, Keiji Matsukita, Yuji Kawakami