Patents by Inventor Hiroshi Kitayama
Hiroshi Kitayama 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: 11891279Abstract: This expansion device is an expansion device that expands and contracts an boom, the expansion device including: a first hydraulic source that discharges a first working fluid; an expandable cylinder that has a fixed part and a movable part and is operated by the first working fluid; a second hydraulic source that is provided to the movable part, discharges the second working fluid, and is a separate hydraulic source from the first hydraulic source; a first connecting mechanism that is operated by the second working fluid and switches between a connected state and a disconnected state of the first boom element and the movable part; and a second connecting mechanism that is operated by the second working fluid and switches between a connected state and a disconnected state of the first boom element and the second boom element.Type: GrantFiled: March 14, 2019Date of Patent: February 6, 2024Assignee: TADANO LTD.Inventors: Naoto Kawabuchi, Hiroshi Kitayama, Naotaka Masuda, Hisanori Wada, Takashi Kawano
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Publication number: 20220227608Abstract: This expansion device is an expansion device that expands and contracts an boom, the expansion device including: a first hydraulic source that discharges a first working fluid; an expandable cylinder that has a fixed part and a movable part and is operated by the first working fluid; a second hydraulic source that is provided to the movable part, discharges the second working fluid, and is a separate hydraulic source from the first hydraulic source; a first connecting mechanism that is operated by the second working fluid and switches between a connected state and a disconnected state of the first boom element and the movable part; and a second connecting mechanism that is operated by the second working fluid and switches between a connected state and a disconnected state of the first boom element and the second boom element.Type: ApplicationFiled: March 14, 2019Publication date: July 21, 2022Applicant: TADANO LTD.Inventors: Naoto KAWABUCHI, Hiroshi KITAYAMA, Naotaka MASUDA, Hisanori WADA, Takashi KAWANO
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Patent number: 11112760Abstract: A control device (70) of a plant which controls operation amounts of a plurality of types of equipment constituting the plant, the control device includes a prediction model deriving unit (71) that derives a prediction model from which a monitoring target value is output, an adjustment amount calculating unit (72) that calculates adjustment amounts of operation amounts in the case where the monitoring target value becomes a desired value and calculates differences between the operation amounts of existing control and the calculated operation amounts as first adjustment amounts, a constraint condition setting unit (73) that sets constraint conditions based on a measurement value and operation conditions of the plant 1, and an operation amount calculating unit (74) that calculates second adjustment amounts to which the constraint conditions are applied and calculates a plurality of the adjusted operation amounts based on each of the calculated second adjustment amounts.Type: GrantFiled: April 17, 2019Date of Patent: September 7, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kazunari Ide, Takaharu Hiroe, Ryo Sase, Yoshikatsu Ikawa, Toshio Ishiwaki, Tomohiro Doi, Hiroshi Kitayama
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Patent number: 10899589Abstract: A device executes an actuation control process of causing the actuator to execute actuation corresponding to an operation signal in response to an output of the operation signal, a stopping process of stopping the actuation of the actuator in response to an output of a first over-winding signal or a second over-winding signal during the actuation control process, and a notification process of notifying whether or not the identification signal has already been output from an over-winding sensor in response to the first output of the operation signal corresponding to specific actuation of reducing a suspension length.Type: GrantFiled: September 29, 2016Date of Patent: January 26, 2021Assignee: TADANO LTD.Inventor: Hiroshi Kitayama
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Publication number: 20190324414Abstract: A control device (70) of a plant which controls operation amounts of a plurality of types of equipment constituting the plant, the control device includes a prediction model deriving unit (71) that derives a prediction model from which a monitoring target value is output, an adjustment amount calculating unit (72) that calculates adjustment amounts of operation amounts in the case where the monitoring target value becomes a desired value and calculates differences between the operation amounts of existing control and the calculated operation amounts as first adjustment amounts, a constraint condition setting unit (73) that sets constraint conditions based on a measurement value and operation conditions of the plant 1, and an operation amount calculating unit (74) that calculates second adjustment amounts to which the constraint conditions are applied and calculates a plurality of the adjusted operation amounts based on each of the calculated second adjustment amounts.Type: ApplicationFiled: April 17, 2019Publication date: October 24, 2019Inventors: Kazunari IDE, Takaharu HIROE, Ryo SASE, Yoshikatsu IKAWA, Toshio ISHIWAKI, Tomohiro DOl, Hiroshi KITAYAMA
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Publication number: 20180273355Abstract: A device executes an actuation control process of causing the actuator to execute actuation corresponding to an operation signal in response to an output of the operation signal, a stopping process of stopping the actuation of the actuator in response to an output of a first over-winding signal or a second over-winding signal during the actuation control process, and a notification process of notifying whether or not the identification signal has already been output from an over-winding sensor in response to the first output of the operation signal corresponding to specific actuation of reducing a suspension length.Type: ApplicationFiled: September 29, 2016Publication date: September 27, 2018Inventor: Hiroshi KITAYAMA
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Patent number: 7642015Abstract: A nonaqueous electrolyte secondary battery includes an electrode group having a positive electrode and a negative electrode wound flatly by way of an interposed separator, a positive electrode tab electrically connected to the positive electrode, and projecting from a spiral winding surface of the electrode group, a negative electrode tab electrically connected to the negative electrode, and projecting from the spiral winding surface, and a nonaqueous electrolyte, wherein the nonaqueous solvent contains sultone compound including a ring having at least one double bond, and a distance between the positive electrode tab and the negative electrode tab is 6 mm to 18 mm.Type: GrantFiled: August 6, 2007Date of Patent: January 5, 2010Assignee: Kabushiki Kaisha ToshibaInventors: Shusuke Inada, Masahiro Sekino, Akira Yajima, Nao Shimura, Asako Satoh, Masayuki Oguchi, Hiroshi Kitayama
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Patent number: 7501207Abstract: The present invention provides a hydrogen absorbing alloy containing as a principal phase at least one phase selected from the group consisting of a second phase having a rhombohedral crystal structure and a first phase having a crystal structure of a hexagonal system excluding a phase having a CaCu5 type structure, wherein a content of a phase having a crystal structure of AB2 type is not higher than 10% by volume including 0% by volume and the hydrogen absorbing alloy has a composition represented by general formula (1) given below: R1-a-bMgaTbNiZ-X-Y-?M1XM2YMn???(1).Type: GrantFiled: April 25, 2007Date of Patent: March 10, 2009Assignee: Kabushiki Kaisha ToshibaInventors: Isao Sakai, Tatsuoki Kohno, Shirou Takeno, Takamichi Inaba, Hideki Yoshida, Masaaki Yamamoto, Hirotaka Hayashida, Shusuke Inada, Hiroshi Kitayama, Motoya Kanda, Fumiyuki Kawashima, Takao Sawa
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Publication number: 20080176143Abstract: A nonaqueous electrolyte secondary battery includes an electrode group having a positive electrode and a negative electrode wound flatly by way of an interposed separator, a positive electrode tab electrically connected to the positive electrode, and projecting from a spiral winding surface of the electrode group, a negative electrode tab electrically connected to the negative electrode, and projecting from the spiral winding surface, and a nonaqueous electrolyte, wherein the nonaqueous solvent contains sultone compound including a ring having at least one double bond, and a distance between the positive electrode tab and the negative electrode tab is 6 mm to 18 mm.Type: ApplicationFiled: August 6, 2007Publication date: July 24, 2008Inventors: Shusuke INADA, Masahiro Sekino, Akira Yajima, Nao Shimura, Asako Satoh, Masayuki Oguchi, Hiroshi Kitayama
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Patent number: 7300720Abstract: The present invention provides a hydrogen absorbing alloy containing as a principal phase at least one phase selected from the group consisting of a second phase having a rhombohedral crystal structure and a first phase having a crystal structure of a hexagonal system excluding a phase having a CaCu5 type structure, wherein a content of a phase having a crystal structure of AB2 type is not higher than 10% by volume including 0% by volume and the hydrogen absorbing alloy has a composition represented by general formula (1) given below: R1-a-bMgaTbNiZ-X-Y-?M1XM2YMn?.Type: GrantFiled: December 1, 2005Date of Patent: November 27, 2007Assignee: Kabushiki Kaisha ToshibaInventors: Isao Sakai, Tatsuoki Kohno, Shirou Takeno, Takamichi Inaba, Hideki Yoshida, Masaaki Yamamoto, Hirotaka Hayashida, Shusuke Inada, Hiroshi Kitayama, Motoya Kanda, Fumiyuki Kawashima, Takao Sawa
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Publication number: 20070259264Abstract: The present invention provides a hydrogen absorbing alloy containing as a principal phase at least one phase selected from the group consisting of a second phase having a rhombohedral crystal structure and a first phase having a crystal structure of a hexagonal system excluding a phase having a CaCu5 type structure, wherein a content of a phase having a crystal structure of AB2 type is not higher than 10% by volume including 0% by volume and the hydrogen absorbing alloy has a composition represented by general formula (1) given below: R1-a-bMgaTbNiZ-X-Y-?M1XM2YMn???(1)Type: ApplicationFiled: April 25, 2007Publication date: November 8, 2007Inventors: Isao Sakai, Tatsuoki Kohno, Shirou Takeno, Takamichi Inaba, Hideki Yoshida, Masaaki Yamamoto, Hirotaka Hayashida, Shusuke Inada, Hiroshi Kitayama, Motoya Kanda, Fumiyuki Kawashima, Takao Sawa
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Patent number: 7261972Abstract: A nonaqueous electrolyte secondary battery includes an electrode group having a positive electrode and a negative electrode wound flatly by way of an interposed separator, a positive electrode tab electrically connected to the positive electrode, and projecting from a spiral winding surface of the electrode group, a negative electrode tab electrically connected to the negative electrode, and projecting from the spiral winding surface, and a nonaqueous electrolyte, wherein the nonaqueous solvent contains sultone compound including a ring having at least one double bond, and a distance between the positive electrode tab and the negative electrode tab is 6 mm to 18 mm.Type: GrantFiled: January 25, 2005Date of Patent: August 28, 2007Assignee: Kabushiki Kaisha ToshibaInventors: Shusuke Inada, Masahiro Sekino, Akira Yajima, Nao Shimura, Masayuki Oguchi, Asako Satoh, Hiroshi Kitayama
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Publication number: 20070190417Abstract: The present invention provides a hydrogen absorbing alloy containing as a principal phase at least one phase selected from the group consisting of a second phase having a rhombohedral crystal structure and a first phase having a crystal structure of a hexagonal system excluding a phase having a CaCu5 type structure, wherein a content of a phase having a crystal structure of AB2 type is not higher than 10% by volume including 0% by volume and the hydrogen absorbing alloy has a composition represented by general formula (1) given below: R1-a-bMgaTbNiZ-X-Y-?M1XM2YMn???(1)Type: ApplicationFiled: April 25, 2007Publication date: August 16, 2007Inventors: Isao Sakai, Tatsuoki Kohno, Shirou Takeno, Takamichi Inaba, Hideki Yoshida, Masaaki Yamamoto, Hirotaka Hayashida, Shusuke Inada, Hiroshi Kitayama, Motoya Kanda, Fumiyuki Kawashima, Takao Sawa
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Publication number: 20060254678Abstract: The present invention provides a hydrogen absorbing alloy containing as a principal phase at least one phase selected from the group consisting of a second phase having a rhombohedral crystal structure and a first phase having a crystal structure of a hexagonal system excluding a phase having a CaCu5 type structure, wherein a content of a phase having a crystal structure of AB2 type is not higher than 10% by volume including 0% by volume and the hydrogen absorbing alloy has a composition represented by general formula (1) given below: R1-a-bMgaTbNiZ-X-Y-?M1XM2YMn???(1)Type: ApplicationFiled: December 1, 2005Publication date: November 16, 2006Inventors: Isao Sakai, Tatsuoki Kohno, Shirou Takeno, Takamichi Inaba, Hideki Yoshida, Masaaki Yamamoto, Hirotaka Hayashida, Shusuke Inada, Hiroshi Kitayama, Motoya Kanda, Fumiyuki Kawashima, Takao Sawa
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Patent number: 7005212Abstract: The present invention provides a hydrogen absorbing alloy containing as a principal phase at least one phase selected from the group consisting of a second phase having a rhombohedral crystal structure and a first phase having a crystal structure of a hexagonal system excluding a phase having a CaCu5 type structure, wherein a content of a phase having a crystal structure of AB2 type is not higher than 10% by volume including 0% by volume and the hydrogen absorbing alloy has a composition represented by general formula (1) given below: R1-a-bMgaTbNiZ-X-Y-?M1XM2YMn?.Type: GrantFiled: June 27, 2002Date of Patent: February 28, 2006Assignee: Kabushiki Kaisha ToshibaInventors: Isao Sakai, Tatsuoki Kohno, Shirou Takeno, Takamichi Inaba, Hideki Yoshida, Masaaki Yamamoto, Hirotaka Hayashida, Shusuke Inada, Hiroshi Kitayama, Motoya Kanda, Fumiyuki Kawashima, Takao Sawa
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Publication number: 20050130035Abstract: A nonaqueous electrolyte secondary battery includes an electrode group having a positive electrode and a negative electrode wound flatly by way of an interposed separator, a positive electrode tab electrically connected to the positive electrode, and projecting from a spiral winding surface of the electrode group, a negative electrode tab electrically connected to the negative electrode, and projecting from the spiral winding surface, and a nonaqueous electrolyte, wherein the nonaqueous solvent contains sultone compound including a ring having at least one double bond, and a distance between the positive electrode tab and the negative electrode tab is 6 mm to 18 mm.Type: ApplicationFiled: January 25, 2005Publication date: June 16, 2005Inventors: Shusuke Inada, Masahiro Sekino, Akira Yajima, Nao Shimura, Masayuki Oguchi, Asako Satoh, Hiroshi Kitayama
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Patent number: 6703164Abstract: There is provided a hydrogen-absorbing alloy comprising, as a principal phase, at least one kind of phase selected from the group consisting of a first phase having a hexagonal crystal system (excluding a phase having a CaCu5 type crystal structure) and a second phase having a rhombohedral crystal system, the hydrogen-absorbing alloy having a composition represented by the following general formula (1): R1-a-bMgaTbNiZ-X-Y-&agr;M1XM2YMn&agr; (1) wherein R is at least one kind of element selected from rare earth elements (which include Y), T is at least one element selected from the group consisting of Ca, Ti, Zr and Hf, M1 is at least one element selected from the group consisting of Co and Fe, M2 is at least one element selected from the group consisting of Al, Ga, Zn, Sn, Cu, Si, B, Nb, W, Mo, V, Cr, Ta, Li, P and S, and the atomic ratios of a, b, X, Y, &agr; and Z are respectively a number satisfying the conditions of: 0.15≦a≦0.37, 0≦b≦0.3, 0≦X≦1.3, 0≦Y≦0.Type: GrantFiled: June 4, 2001Date of Patent: March 9, 2004Assignee: Kabushiki Kaisha ToshibaInventors: Hirotaka Hayashida, Masaaki Yamamoto, Hiroshi Kitayama, Shusuke Inada, Isao Sakai, Tatsuoki Kono, Hideki Yoshida, Takamichi Inaba, Motoya Kanda
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Publication number: 20030096164Abstract: The present invention provides a hydrogen absorbing alloy containing as a principal phase at least one phase selected from the group consisting of a second phase having a rhombohedral crystal structure and a first phase having a crystal structure of a hexagonal system excluding a phase having a CaCu5 type structure, wherein a content of a phase having a crystal structure of AB2 type is not higher than 10% by volume including 0% by volume and the hydrogen absorbing alloy has a composition represented by general formula (1) given below:Type: ApplicationFiled: June 27, 2002Publication date: May 22, 2003Inventors: Isao Sakai, Tatsuoki Kohno, Shirou Takeno, Takamichi Inaba, Hideki Yoshida, Masaaki Yamamoto, Hirotaka Hayashida, Shusuke Inada, Hiroshi Kitayama, Motoya Kanda, Fumiyuki Kawashima, Takao Sawa
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Patent number: 6399247Abstract: A nickel-metal hydride secondary battery comprising electrode group comprising positive electrode comprised mainly of nickel hydroxide, negative electrode comprised mainly of a hydrogen storage alloy, and separator being disposed between the positive electrode and the negative electrode, wherein the electrode group is sealed in battery casing, together with an alkali electrolyte liquid, wherein, in the battery, a W element and an Na element are present simultaneously. The nickel-metal hydride secondary battery of the present invention is advantageous not only in that it exhibits high utilization of the active material and excellent self-discharge characteristics in a high temperature storage as well as high charging efficiency in a high temperature environment, but also in that it has excellent large current discharge characteristics.Type: GrantFiled: February 25, 2000Date of Patent: June 4, 2002Assignees: Toshiba Battery Co., Ltd., Kabushiki Kaisha ToshibaInventors: Hiroshi Kitayama, Hirotaka Hayashida, Masaaki Yamamoto, Naomi Bando, Kunihiko Miyamoto, Hideharu Suzuki
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Publication number: 20010041292Abstract: There is provided a hydrogen-absorbing alloy comprising, as a principal phase, at least one kind of phase selected from the group consisting of a first phase having a hexagonal crystal system (excluding a phase having a CaCu5 type crystal structure) and a second phase having a rhombohedral crystal system, the hydrogen-absorbing alloy having a composition represented by the following general formula (1):Type: ApplicationFiled: June 4, 2001Publication date: November 15, 2001Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hirotaka Hayashida, Masaaki Yamamoto, Hiroshi Kitayama, Shusuke Inada, Isao Sakai, Tatsuoki Kono, Hideki Yoshida, Takamichi Inaba, Motoya Kanda