Patents by Inventor Tatsuya Aizawa
Tatsuya Aizawa 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: 20240391041Abstract: A machine tool (1) includes a spindle (2) for detachably attaching a tool (T2) thereto, a tool stocker (8) storing the tool (T2) to be attached to the spindle (2), a tool conveyance mechanism (50) having a tool holding unit (59) for detachably holding the tool (T2) and moving the tool holding unit (59) along a predetermined path, and a conveyance control unit controlling driving of the tool conveyance mechanism (50). The tool conveyance mechanism (50) is configured to be able to move the tool holding unit (59) at least to a tool change position, a stocker position, and a position for work.Type: ApplicationFiled: December 23, 2022Publication date: November 28, 2024Applicant: DMG MORI CO., LTD.Inventors: Susumu NAKAMURA, Tadaharu MORIMOTO, Tatsuya AIZAWA
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Publication number: 20240198467Abstract: A machine tool includes a bed, a column which is provided on the bed so as to be erected therefrom, a saddle which is a moving body supported by the column, and a tool spindle which is supported by the saddle and rotates a tool around a rotation center axis extending in a Z-axis direction parallel to a horizontal direction. The saddle has a frame portion which is provided so as to surround the tool spindle. The thickness of the frame portion in the Z-axis direction changes along a Y-axis direction parallel to a vertical direction, and becomes maximum at a first position-(Pa) closer to an upper end portion of the frame portion than a lower end portion of the frame portion.Type: ApplicationFiled: April 15, 2021Publication date: June 20, 2024Applicant: DMG MORI CO., LTD.Inventors: Masahiko MORI, Mitsuru TAGA, Tadaharu MORIMOTO, Yoshinori YAMAMOTO, Tatsuya AIZAWA, Yusuke IKEDA, Naruhiro IRINO, Yosuke HIGUCHI, Hideki HARA
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Publication number: 20240189953Abstract: A machine tool includes a table, a first guide portion and a second guide portion that guide the table in the Z-axis direction and are arranged apart from each other in an X-axis direction, and a bed that includes a first guide mounting portion and a second guide mounting portion on which the first guide portion and the second guide portion are mounted respectively, and is provided with an opening portion which is located between the first guide mounting portion and the second guide mounting portion and penetrates in a Y-axis direction. The first guide mounting portion and the second guide mounting portion are respectively provided with a first facing surface and a second facing surface which face each other across the opening portion. The bed further includes a rib portion which is located in the opening portion and connected to the first facing surface and the second facing surface.Type: ApplicationFiled: April 15, 2021Publication date: June 13, 2024Applicant: DMG MORI CO., LTD.Inventors: Masahiko MORI, Mitsuru TAGA, Tadaharu MORIMOTO, Yoshinori YAMAMOTO, Tatsuya AIZAWA, Yusuke IKEDA, Naruhiro IRINO, Yosuke HIGUCHI, Hideki HARA
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Publication number: 20240189954Abstract: A machine tool includes a bed, and a table that is provided on the bed and movable in a Z-axis direction. The table includes a workpiece holder, a table base including a first support portion and a second support portion for turnably supporting the workpiece holder at positions spaced from each other in an X-axis direction, the workpiece holder being mounted on the table base, and a turning device that is provided in the first support portion, and turns the workpiece holder around a turning center axis extending in the X-axis direction. The machine tool further includes a first feeding device and a second feeding device that are provided on the bed and are connected to the first support portion and the second support portion respectively to drive the table in the Z-axis direction.Type: ApplicationFiled: April 15, 2021Publication date: June 13, 2024Applicant: DMG MORI CO., LTD.Inventors: Mitsuru TAGA, Tadaharu MORIMOTO, Yoshinori YAMAMOTO, Tatsuya AIZAWA, Yusuke IKEDA, Ryohei KUSAMA
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Patent number: 10868921Abstract: An information processing device 30 configured to transmit a file stored in a memory medium 120 to a terminal. The information processing device includes: a specifying information creating unit 34 configured to create specifying information for specifying files stored in the memory medium, by using a file name and information about the memory medium; a transmitting unit 35 configured to transmit the specifying information to the terminal; and a file transmitting unit 37 configured to transmit to the terminal one of the files specified by the terminal in accordance with the specifying information.Type: GrantFiled: June 2, 2017Date of Patent: December 15, 2020Assignee: Ricoh Company, Ltd.Inventors: Tatsuya Aizawa, Nobuyoshi Hattori
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Patent number: 10741826Abstract: A method for manufacturing an electrode plate includes a first application step of applying conductive layer slurry containing fibrous carbon to a surface of a core made of metal foil, a second application step of applying active material mix layer slurry containing an active material to the conductive layer slurry before the conductive layer slurry dries, and a drying step of drying the conductive layer slurry and the active material mix layer slurry. The fibrous carbon contained in the conductive layer slurry has a fiber length-to-diameter ratio of 20:1 to 2,000:1. The amount of the fibrous carbon, contained in the conductive layer slurry applied to the core surface, per unit are of the core is 0.05 g/m2 to 0.20 g/m2 after the first application step.Type: GrantFiled: December 19, 2017Date of Patent: August 11, 2020Assignee: SANYO Electric Co., Ltd.Inventor: Tatsuya Aizawa
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Patent number: 10518374Abstract: A chip conveyor includes: a cover body; a guide plate configured to guide chips, which are conveyed inside the cover body, so as to be directed from a chip receiving position toward a chip discharging position; a case attached to the cover body and having an internal space provided therein; and a float switch configured to detect, based on a coolant flowing from inside the cover body into the internal space, that a liquid level of the coolant inside the cover body is equal to or greater than a prescribed liquid level. The cover body includes a first space and a second space that are partitioned from each other by the guide plate. The cover body is provided with: a first opening allowing communication between the first space and the internal space; and a second opening allowing communication between the second space and the internal space.Type: GrantFiled: March 23, 2018Date of Patent: December 31, 2019Assignee: DMG MORI CO., LTD.Inventors: Tomoyoshi Matsuyama, Yuhei Kitade, Tatsuya Aizawa, Futoshi Yamazaki
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Publication number: 20190149673Abstract: An information processing device 30 configured to transmit a file stored in a memory medium 120 to a terminal. The information processing device includes: a specifying information creating unit 34 configured to create specifying information for specifying files stored in the memory medium, by using a file name and information about the memory medium; a transmitting unit 35 configured to transmit the specifying information to the terminal; and a file transmitting unit 37 configured to transmit to the terminal one of the files specified by the terminal in accordance with the specifying information.Type: ApplicationFiled: June 2, 2017Publication date: May 16, 2019Applicant: Ricoh Company, Ltd.Inventors: Tatsuya AIZAWA, Nobuyoshi HATTORI
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Publication number: 20180272488Abstract: A chip conveyor includes: a cover body; a guide plate configured to guide chips, which are conveyed inside the cover body, so as to be directed from a chip receiving position toward a chip discharging position; a case attached to the cover body and having an internal space provided therein; and a float switch configured to detect, based on a coolant flowing from inside the cover body into the internal space, that a liquid level of the coolant inside the cover body is equal to or greater than a prescribed liquid level. The cover body includes a first space and a second space that are partitioned from each other by the guide plate. The cover body is provided with: a first opening allowing communication between the first space and the internal space; and a second opening allowing communication between the second space and the internal space.Type: ApplicationFiled: March 23, 2018Publication date: September 27, 2018Applicant: DMG MORI CO., LTD.Inventors: Tomoyoshi Matsuyama, Yuhei Kitade, Tatsuya Aizawa, Futoshi Yamazaki
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Publication number: 20180277825Abstract: A method for manufacturing an electrode plate includes a first application step of applying conductive layer slurry containing fibrous carbon to a surface of a core made of metal foil, a second application step of applying active material mix layer slurry containing an active material to the conductive layer slurry before the conductive layer slurry dries, and a drying step of drying the conductive layer slurry and the active material mix layer slurry. The fibrous carbon contained in the conductive layer slurry has a fiber length-to-diameter ratio of 20:1 to 2,000:1. The amount of the fibrous carbon, contained in the conductive layer slurry applied to the core surface, per unit are of the core is 0.05 g/m2 to 0.20 g/m2 after the first application step.Type: ApplicationFiled: December 19, 2017Publication date: September 27, 2018Applicant: SANYO ELECTRIC CO., LTD.Inventor: Tatsuya Aizawa
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Publication number: 20110223492Abstract: To provide a nonaqueous electrolyte secondary battery with a small increase in internal resistance and less gas generation during high-temperature charged storage, and with a high residual capacity, when using a non-aqueous electrolyte containing a nitrile group-containing compound. The nonaqueous electrolyte secondary battery includes a positive electrode plate containing positive electrode active material, a negative electrode plate containing negative electrode active material, a nonaqueous electrolyte containing a nitrile group-containing compound, and a separator provided between the positive electrode plate and the negative electrode plate, and is also provided with a layer of inorganic particles between the positive electrode plate and the separator or between the negative electrode plate and the separator. It is preferable that the layer of inorganic particles be formed on a surface of the positive electrode plate.Type: ApplicationFiled: March 2, 2011Publication date: September 15, 2011Applicant: SANYO ELECTRIC CO., LTD.Inventors: Nobuhiro SAKITANI, Tatsuya AIZAWA, Satoshi YAMAMOTO
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Patent number: 7952446Abstract: A microcomputer includes: a CPU executing a predetermined calculation process; and a PWM timer generating a PWM pulse. The PWM timer includes a RAM for storing a duty value of the PWM pulse and a PWM controller for generating the PWM pulse. The PWM controller includes a PWM counter for counting up from a predetermined value as an initial value. The PWM pulse has an unit waveform, which is generated based on comparison between the duty value of the RAM and an output value of the PWM counter. The RAM outputs a new duty value at every comparison without functioning the CPU so that the duty value of the PWM pulse is changed in chronological order.Type: GrantFiled: May 21, 2009Date of Patent: May 31, 2011Assignee: Denso CorporationInventors: Tomoharu Hayakawa, Hiroyuki Morita, Hitoshi Ishikawa, Tatsuya Aizawa, Yu Takeuchi
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Patent number: 7830286Abstract: An AD converter includes an input circuit, an operation circuit and a bus interface. The input circuit is provided with a pull-down circuit, which is capable of pulling down an analog signal input side of a sample-hold circuit whether an analog signal is inputted or not. The operation circuit is provided with a reference voltage conversion result storing register, which is capable of storing a conversion result of an analog reference voltage inputted periodically separately from a conversion result of the analog signal inputted through the sample-hold circuit. The operation circuit is further provided with a check register, which is capable of writing in and reading out data for checking operation of a signal transfer system including a bus interface through the bus interface. Thus, it is made possible to confirm normality of an external part and an internal part of the AD converter.Type: GrantFiled: May 18, 2009Date of Patent: November 9, 2010Assignee: Denso CorporationInventors: Hideki Kabune, Nobuhiko Makino, Tomoharu Hayakawa, Hitoshi Ishikawa, Tatsuya Aizawa, Shigeo Uno, Masamitsu Ozeki
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Patent number: 7700237Abstract: The composition of hydrogen storage alloy particles used in a negative plate of an alkaline secondary battery is expressed by a general formula: (Laa Prb Ndc Zd)1-w Mgw Niz-x-y Alx Ty. In the formula, Z is an element selected from the group consisting of Ce and others, and T is an element selected from the group consisting of V and others. Subscripts a, b, c and d fall in ranges of 0?a?0.25, 0<b, 0<c, and 0?d?0.20, respectively, and satisfy the relationship expressed by a+b+c+d=1, where 0.20?b/c?0.35. Subscripts x, y, z and w fall in ranges of 0.15?x ?0.30, 0?y?0.5, 3.3?z?3.8, and 0.05?w?0.15, respectively.Type: GrantFiled: December 18, 2006Date of Patent: April 20, 2010Assignee: Sanyo Electric Co., Ltd.Inventors: Masaru Kihara, Takahiro Endo, Tatsuya Aizawa
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Patent number: 7678502Abstract: An alkaline storage cell has a positive electrode, a negative electrode containing a hydrogen storage alloy, and an alkaline electrolyte. The hydrogen storage alloy has a composition expressed by a general expression: ((PrNd)?Ln1-?)1-?Mg?Ni?-?-?Al?T?, where Ln represents at least one element chosen from a group consisting of La, Ce, etc., T represents at least one element chosen from a group consisting of V, Nb, etc., and subscripts ?, ?, ?, ? and ? represent numerical values which satisfy 0.7<?, 0.05<?<0.15, 3.0???4.2, 0.15???0.30 and 0???0.20.Type: GrantFiled: September 20, 2006Date of Patent: March 16, 2010Assignee: Sanyo Electric Co., Ltd.Inventors: Takahiro Endo, Masaru Kihara, Tatsuya Aizawa
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Publication number: 20090292936Abstract: A microcomputer includes: a CPU executing a predetermined calculation process; and a PWM timer generating a PWM pulse. The PWM timer includes a RAM for storing a duty value of the PWM pulse and a PWM controller for generating the PWM pulse. The PWM controller includes a PWM counter for counting up from a predetermined value as an initial value. The PWM pulse has an unit waveform, which is generated based on comparison between the duty value of the RAM and an output value of the PWM counter. The RAM outputs a new duty value at every comparison without functioning the CPU so that the duty value of the PWM pulse is changed in chronological order.Type: ApplicationFiled: May 21, 2009Publication date: November 26, 2009Applicant: DENSO CORPORATIONInventors: Tomoharu Hayakawa, Hiroyuki Morita, Hitoshi Ishikawa, Tatsuya Aizawa, Yu Takeuchi
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Publication number: 20090289822Abstract: An AD converter includes an input circuit, an operation circuit and a bus interface. The input circuit is provided with a pull-down circuit, which is capable of pulling down an analog signal input side of a sample-hold circuit whether an analog signal is inputted or not. The operation circuit is provided with a reference voltage conversion result storing register, which is capable of storing a conversion result of an analog reference voltage inputted periodically separately from a conversion result of the analog signal inputted through the sample-hold circuit. The operation circuit is further provided with a check register, which is capable of writing in and reading out data for checking operation of a signal transfer system including a bus interface through the bus interface. Thus, it is made possible to confirm normality of an external part and an internal part of the AD converter.Type: ApplicationFiled: May 18, 2009Publication date: November 26, 2009Applicant: DENSO CORPORATIONInventors: Hideki Kabune, Nobuhiko Makino, Tomoharu Hayakawa, Hitoshi Ishikawa, Tatsuya Aizawa, Shigeo Uno, Masamitsu Ozeki
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Patent number: 7582381Abstract: An alkaline storage cell has a positive electrode, a negative electrode containing a hydrogen storage alloy, and an alkaline electrolyte. The hydrogen storage alloy has a composition expressed by a general expression: Ln1-?Mg?Ni?-?-?T?Al?, where Ln represents at least one element chosen from a group consisting of La, Ce, etc., T represents at least one element chosen from a group consisting of V, Nb, etc., and subscripts ?, ?, ? and ? represent numerical values which satisfy 0.05<?<0.12, 3.40???3.70, 0.01???0.15 and 0.15???0.35.Type: GrantFiled: September 19, 2006Date of Patent: September 1, 2009Assignee: Sanyo Electric Co., Ltd.Inventors: Masaru Kihara, Takahiro Endo, Tatsuya Aizawa
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Publication number: 20070158001Abstract: The composition of hydrogen storage alloy particles used in a negative plate of an alkaline secondary battery is expressed by a general formula: (Laa Prb Ndc Zd)1-w Mgw Niz-x-y Alx Ty. In the formula, Z is an element selected from the group consisting of Ce and others, and T is an element selected from the group consisting of V and others. Subscripts a, b, c and d fall in ranges of 0?a?0.25, 0<b, 0<c, and 0?d?0.20, respectively, and satisfy the relationship expressed by a+b+c+d=1, where 0.20?b/c?0.35. Subscripts x, y, z and w fall in ranges of 0.15?x?0.30, 0?y?0.5, 3.3—z?3.8, and 0.05?w?0.15, respectively.Type: ApplicationFiled: December 18, 2006Publication date: July 12, 2007Applicant: SANYO ELECTRIC CO., LTD.Inventors: Masaru Kihara, Takahiro Endo, Tatsuya Aizawa
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Publication number: 20070071633Abstract: A hydrogen storage alloy has a composition expressed by a general formula: Ln1??Mg?(Ni1??T?)?. In the formula, Ln is at least one element selected from a group consisting of La, Ce, etc.; T is at least one element selected from a group consisting of V, Nb, etc.; subscripts ?, ? and ? are numeric values that satisfy 0.05<?<0.12, 0.05???0.5, 3.40???3.70, respectively. The hydrogen storage alloy satisfies at least one of three conditions that (1) the proportion of La in Ln is 30 percent by mass or less; (2) the proportion of Ca in Ln is 25 percent by mass or less; and (3) the proportion of Al in the hydrogen storage alloy is 2.5 percent by mass or less.Type: ApplicationFiled: September 19, 2006Publication date: March 29, 2007Applicant: SANYO ELECTRIC CO., LTD.Inventors: Masaru Kihara, Takahiro Endo, Tatsuya Aizawa