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1.发明申请公开(公告)号：US20200014067A1
公开(公告)日：2020-01-09
申请号：US16484669
申请日：2018-02-19
Applicant: Hitachi, Ltd.
Inventor： Suguru UEDA , Jun KAWAJI , Atsushi IIJIMA , Atsushi UNEMOTO , Akihide TANAKA
IPC: H01M10/0569 , H01M4/13 , H01M4/62 , H01M10/0525
Abstract: Aiming at improvement in the life and rate characteristic of the secondary battery, the semisolid electrolytic solution, the semisolid electrolyte layer, the electrode, and the secondary battery are provided. The semisolid electrolytic solution contains a solvation electrolyte salt, an ethereal solvent for forming a solvation ion liquid together with the solvation electrolyte salt, and a low-viscosity solvent. The mixture molar ratio of the ethereal solvent to the solvation electrolyte salt is in the range from ≥0.5 to ≤1.5. The mixture molar ratio of the low-viscosity solvent to the solvation electrolyte salt is in the range from ≥4 to ≤16.
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公开(公告)号：US20220283035A1
公开(公告)日：2022-09-08
申请号：US17637168
申请日：2020-08-28
Applicant: Hitachi, Ltd. , Daikin Industries, Ltd.
Inventor： Akihide TANAKA , Hiroshi YOSHIKAWA , Shinya KANEKO , Isamu TAKAHASHI , Naoya OKIZAKI , Xudong ZHANG , Yasunori HAMA
Abstract: A burner work measurement system configured to measure work using a burner is provided. The burner work measurement system includes one or more cameras configured to capture the work and a control unit configured to perform computing processing on images captured by the cameras, the control unit is configured to create work data obtained by calculating, based on the images captured by the cameras, at least one of a positional relation between a work object and the burner or flame, a positional relation between the work object and a brazing filler metal, and a positional relation between the burner or the flame and the brazing filler metal.
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公开(公告)号：US20220234146A1
公开(公告)日：2022-07-28
申请号：US17596163
申请日：2020-02-26
Applicant: Hitachi, Ltd.
Inventor： Akihide TANAKA , Xudong ZHANG , Naoya OKIZAKI , lsamu TAKAHASHl
Abstract: A welding work measurement system enables accurate measurement of a positional relation between respective parts. Therefore, a welding work measurement system includes a photodetection unit that detects light generated by a plurality of markers attached to a torch for welding a welding object or light reflected by the plurality of markers, a marker position acquisition unit that acquires marker position data that is three-dimensional coordinate data on the markers on the basis of the light detected by the photodetection unit, and a torch position acquisition unit that acquires torch position data that is three-dimensional coordinate data on the torch on the basis of the marker position data.
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公开(公告)号：US20230041258A1
公开(公告)日：2023-02-09
申请号：US17789085
申请日：2020-10-14
Applicant: Hitachi, Ltd.
Inventor： Naoya OKIZAKI , Akihide TANAKA , Kazutoshi SUGIE , Naoki MORIHIRA , Isamu TAKAHASHI , Xudong ZHANG , Seunghwan PARK
Abstract: A master unit includes a welding DB in which prescribed motion data associated with an object to be welded is stored, a state sensor which measures, as welding state data, a situation of welding by a robot which executes welding in a real environment according to the prescribed motion data, a simulated environment which imitates the real environment and notifies a worker of the welding state data, and a motion control unit which receives, as an input, worker motion data indicating a motion of welding by the worker from the simulated environment, operates the robot in the real environment by using the worker motion data instead of the prescribed motion data, and records, as new prescribed motion data, the input worker motion data in the welding DB.
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Patent Agency Ranking
公开(公告)号：US20210142693A1
公开(公告)日：2021-05-13
申请号：US17258301
申请日：2019-03-04
Applicant: HITACHI, LTD.
Inventor： Masanori MIYAGI , Akihide TANAKA
Abstract: A control device includes a storage unit that stores motion assessment index information for mapping a normal range for doing work motion to associated knowledge about the normal range, a motion information detection unit that detects motion information which is the result of measuring motion of a trainee, a motion determination unit that determines whether or not the motion information detected by the motion information detection unit deviates from the normal range stored in the storage unit, and a notification unit that acquires from the storage unit the associated knowledge mapped to the normal range from which the motion determination unit determines that the motion information deviates, and gives notice of the associated knowledge.
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6.发明申请NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, AND MANUFACTURING METHOD THEREOF 审中-公开负极电极材料，锂离子二次电池负极，锂离子二次电池及其制造方法公开(公告)号：US20150349341A1
公开(公告)日：2015-12-03
申请号：US14410610
申请日：2013-06-12
Applicant: Hitachi, Ltd.
Inventor： Kento HOSHI , Akihide TANAKA , Etsuko NISHIMURA
IPC: H01M4/587 , H01M10/0525
CPC classification number: H01M4/133 , H01M4/587 , H01M10/0525 , H01M2004/021 , H01M2004/027
Abstract: A reduction in irreversible capacity is attained without degrading other battery characteristics. A negative electrode material, a negative electrode for lithium ion secondary battery, a lithium ion secondary battery, and a manufacturing method thereof, the negative electrode material containing a carbonaceous material, in which the interplanar spacing (d002) between (002) planes of the carbonaceous material determined by an X-ray wide-angle diffraction method is smaller than or equal to 0.338 nm, the integrated pore volume of the carbonaceous material in pore diameters of 2 nm or more to 3.5 nm or less determined from a gas adsorption method is 3.0×10−2 cc/g or less, and, for example, a water-soluble polymer is contained in the carbonaceous material.
Abstract translation: 实现不可逆容量的降低而不降低其他电池特性。 负极材料，锂离子二次电池用负极，锂离子二次电池及其制造方法，含有碳质材料的负极材料，其中（002）面之间的面间距（d002） 通过X射线广角衍射法确定的碳质材料小于或等于0.338nm，从气体吸附法测定的孔径在2nm以上至3.5nm以下的碳质材料的一体孔容为 3.0×10-2cc / g以下，例如含碳质物质中含有水溶性聚合物。
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7.发明申请公开(公告)号：US20220339728A1
公开(公告)日：2022-10-27
申请号：US17627279
申请日：2020-02-26
Applicant: HITACHI, LTD.
Inventor： Naoya OKIZAKI , Akihide TANAKA , Isamu TAKAHASHI , Xudong ZHANG
Abstract: An object of the present invention is to appropriately perform a welding quality control. Therefore, a welding work data accumulation device (100) includes: a measurement unit (4, 5, 7, 9, 11, and 16) that measures a welding motion and a welding phenomenon when a welding operator (1) grips a welding torch (2) and performs welding on a welded body (3); a data analysis unit (14) that extracts an appropriate combination of a welding motion feature amount (Tw, Ht, and Sp) and a welding phenomenon feature amount (Iw, S, and Ssym) in correction with time or coordinates based on data acquired by the measurement unit (4, 5, 7, 9, 11, and 16); and a data accumulation unit (15) that creates a database (70) based on an extraction result of the data analysis unit (14).
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公开(公告)号：US20210264813A1
公开(公告)日：2021-08-26
申请号：US17053818
申请日：2019-03-04
Applicant: HITACHI, LTD.
Inventor： Akihide TANAKA , Masanori MIYAGI , Kazumichi HOSOYA , Hiroki MURAKAMI , Masao SHIMIZU
Abstract: A control device is provided with: a posture information storage unit that stores posture associated information associated with workability being an evaluation criterion at a time of a posture for each piece of posture information of an operator; a posture information detection unit that acquires posture information of the operator during work as current posture information; a posture information calculation unit that obtains, from the posture associated information, ideal posture information for making improvement on workability of the current posture information, obtained by referring to the posture associated information in the storage unit from the current posture information; and a posture information notification unit that notifies the ideal posture information obtained by the calculation unit as an improvement proposal.
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9.发明申请NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, AND LITHIUM SECONDARY BATTERY 审中-公开用于锂二次电池的负极电极活性材料和锂二次电池公开(公告)号：US20150357632A1
公开(公告)日：2015-12-10
申请号：US14763320
申请日：2013-02-07
Applicant: HITACHI, LTD.
Inventor： Etsuko NISHIMURA , Akihide TANAKA , Katsunori NISHIMURA , Shuichi SUZUKI , Makoto OKAI , Masao SHIMIZU
IPC: H01M4/36 , H01M4/38 , H01M10/0525 , H01M4/587
CPC classification number: H01M4/364 , H01M4/13 , H01M4/133 , H01M4/134 , H01M4/366 , H01M4/38 , H01M4/381 , H01M4/587 , H01M10/052 , H01M10/0525 , H01M2004/027 , Y02T10/7011
Abstract: An object of the present invention is to provide a lithium secondary battery having a negative electrode having a novel structure in which the metal content is increased as compared to the past and the capacity density of the negative electrode is increased, and the lithium occlusion capacity of the metal is not decreased by repeated charge and discharge. In order to achieve this object, the negative electrode active material for a lithium secondary battery is characterized by being composed of a mixture of graphite particles capable of occluding and emitting lithium ions and particles containing metal, wherein the average particle diameter of the particles containing metal during discharge is 1/2000 to 1/10 of that of the graphite particles, the graphite particles have an average particle diameter during discharge of 2 μm to 20 μm, and addition ratio by weight of the particles containing metal is 10% to 50%.
Abstract translation: 本发明的目的是提供一种锂二次电池，其具有负极，其具有与过去相比金属含量增加的新结构，并且负极的容量密度增加，并且锂的闭塞能力 金属不会因反复充放电而降低。 为了达到上述目的，锂二次电池用负极活性物质的特征在于，由能够吸留锂离子的石墨粒子和含有金属的粒子的混合物构成，其中含有金属的粒子的平均粒径 在排出时为石墨颗粒的1/2000〜1/10，石墨粒子的放电平均粒径为2μm〜20μm，含金属的添加重量比为10〜50％ 。
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