Yusuke Fujiwara 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).
Abstract: A semiconductor device that normally-off drives a first transistor that normally-on drives, the semiconductor device includes a first circuitry, a second circuitry, and a first diode. The first circuitry that is connected with a power supply voltage and a ground voltage, detects the power supply voltage, and outputs a transition state of the power supply voltage. The second circuitry that is connected with the power supply voltage, the ground voltage, the first circuitry, and a second transistor, and outputs a drive voltage of a second transistor connected in series with the first transistor, based on an output of the first circuitry. The first diode having an anode connected with a drive terminal of the first transistor and a cathode connected with an output terminal of the second transistor.
Abstract: The present invention relates to a method for producing a chemically strengthened glass substrate, the method including the following steps (A) to (C): (A) preparing a chemically strengthened glass substrate A having a main surface and an end surface; (B) obtaining a glass substrate by polishing a surface of the chemically strengthened glass substrate A; and (C) performing ion exchange by bringing the glass substrate into contact with an inorganic salt composition including 90% by mass or more of KNO3 and 1.0% by mass or more and 6.0% by mass or less of NaNO3 to obtain a chemically strengthened glass substrate C.
Abstract: A lens mount is configured to enable a lens apparatus that includes a first optical system and a second optical system to be attached to and detached from an image pickup apparatus. The lens mount includes a cover member having a first opening for the first optical system and a second opening for the second optical system, and a filter member movable between a first state in which the filter member retreats from the first opening and the second opening and a second state in which the filter member enters the first opening and the second opening. The filter member becomes in the first state by simultaneously retreating from the first opening and the second opening, and becomes in the second state by simultaneously entering the first opening and the second opening.
Abstract: The present invention relates to a chemically strengthened glass, having a slope of a K2O concentration of ?1.9%/?m or more at a depth of 1 to 3 ?m and ?0.001%/?m or less at a depth of 5 to 10 ?m, in a K2O concentration profile having an abscissa representing the depth (?m) from a surface of the glass and an ordinate representing the K2O concentration (%) by mole percentage in terms of oxides.
Abstract: The present invention relates to a chemically strengthened glass, satisfying in comparison of an estimated stress profile with an effective stress profile, an absolute value of a difference between tensile stress values at a center in a thickness direction is 30 MPa or smaller, and a value obtained by subtracting, at a depth of 15 ?m from a chemically strengthened surface of the glass, a compressive stress value of the effective stress profile from a compressive stress value of the estimated stress profile is 50 MPa or larger.
Abstract: The present invention relates to a chemically strengthened glass, satisfying: a ratio ICS (?400)/ICS being more than 0.13 in a stress profile, the ICS representing an integrated value of compressive stress in a region from a surface of the glass to a depth where the compressive stress becomes 0 in the stress profile, and the ICS (?400) representing an integrated value of compressive stress in a region from a depth of 400 ?m from the surface of the glass to the depth where the compressive stress becomes 0 in the stress profile.
Abstract: An infrared Raman microscope capable of switching to and performing infrared spectroscopic analysis or Raman spectroscopic analysis for a sample on a stage includes an infrared light detection system, a Raman light detection system, a display unit, a display switching processing unit, and storage processing units. The infrared light detection system and the Raman light detection system photographs a visible image at different magnifications. The display unit displays the visible image of the sample in a display area in association with coordinates on the stage. The display switching processing unit switches and displays the visible image in the same image display area. In a case where a measurement position of the infrared spectroscopic analysis or the Raman spectroscopic analysis is designated on the display area, the storage processing units store a point of coordinates on the stage corresponding to the measurement position.
Abstract: An infrared spectrum display processing unit performs processing of displaying an infrared spectrum obtained by infrared spectroscopic analysis in a graph representing a relationship between a wave number and intensity. A data conversion processing unit performs processing of converting a Raman spectrum obtained by Raman spectroscopic analysis into an equal interval Raman spectrum in which data points are plotted by wave numbers at equal intervals. A Raman spectrum display processing unit performs processing of displaying an equal interval Raman spectrum as a graph representing a relationship between a wave number and intensity.
Abstract: An analysis result of an infrared spectrum at each measurement position is mapped and displayed in an infrared map display area as infrared data in association with a point of coordinates of each measurement position. An analysis result of a Raman spectrum at each measurement position is mapped and displayed in a Raman map display area as Raman data in association with a point of coordinates of each measurement position. In a case where an optional measurement position is designated in the infrared map display area and the Raman map display area, an infrared spectrum and a Raman spectrum associated with the designated measurement position are graphically displayed in the same graph display area.
Abstract: A notification system includes: a notifier which notifies an operator of a state of a lifting magnet; a sensor which detects at least one of a voltage, an electric current, and an electric power supplied for exciting the lifting magnet; a determination part which determines, based on detection data from the sensor, whether an attraction quantity of the lifting magnet reaches a maximum attraction quantity after excitation of the lifting magnet is started; and a notification control part which causes the notifier to notify that the attraction quantity reaches the maximum attraction quantity when the determination part determines that the attraction quantity reaches the maximum attraction quantity.
January 19, 2021
July 13, 2023
KOBELCO CONSTRUCTION MACHINERY CO., LTD.
Abstract: A power conversion device is provided between a power supply and a load, and converts power from the power supply and supplies the converted power to the load. The power conversion device includes a plurality of switching elements composed of semiconductor elements, and a control device which generates drive signals for controlling the plurality of switching elements. Voltages are respectively applied to the plurality of semiconductor elements, on the basis of the drive signals generated by the control device. The plurality of semiconductor elements have equivalent failure probabilities due to neutron beams. Thus, a failure of the power conversion device due to neutron beams is prevented, and size increase thereof is suppressed.
Abstract: Provided is a compaction management system capable of accurately managing the compaction state of a compaction target ground. The compaction management system includes a compaction-pressing-record production unit, a storage device, and a final-compaction-pressing-record selection unit. The compaction pressing record production unit produces a plurality of compaction pressing records, each of which includes the pressing compaction position and the compaction pressing force which are associated with each other. The storage device stores the plurality of compaction pressing records.
May 17, 2021
June 15, 2023
KOBELCO CONSTRUCTION MACHINERY CO., LTD.
Abstract: A device or the like capable of improving continuity of a moving image outputted to an image output device of a remote operation device even in circumstances where an inter-frame difference of the moving image becomes large. When it is predicted that a data amount of a captured image is to exceed a threshold in consideration of a detection result of a moving mode of a working machine, high frequency components exceeding a specified frequency in a second specified image area excluding a first specified image area of the captured image are eliminated Thus, the data amount of the captured image is reduced so that the data amount becomes equal to or smaller than the threshold. Then, not only inter-frame continuity of the first specified image area of an environment image outputted to an image output device of a remote operation device but also visibility by an operator is improved.
April 28, 2021
June 8, 2023
Ryota HAMA, Yusuke FUJIWARA, Yoichiro YAMAZAKI, Seiji SAIKI
Abstract: The purpose of the present invention is to provide a chemically-strengthened glass exhibiting both surface strength and abrasion-resistant anti-fingerprint (AFP) properties. The present invention relates to a plate-shaped chemically-strengthened glass which has a compressive stress layer provided to a glass surface layer, a glass surface hydrogen concentration profile in a specific range, and a surface strength and abrasion-resistant anti-fingerprint (AFP) properties which are in specific ranges.
Abstract: There is provided a device or the like capable of causing a result of an operator, remotely operating a working machine, perceiving a motion aspect of the working machine to approximate to a result of the operator perceiving a motion aspect of the working machine when the operator gets on the working machine. When there is represented a relative motion of a first component (lower traveling body 410, upper revolving body 420) and a second component (upper revolving body 420, bucket 445 (working unit)) that constitute working machine 40, based on a result of detecting an operation aspect of a remote operation device 20, control is performed on individual sound output aspects of a plurality of sound output devices 2220, 2221 and 2222, each arranged at different locations in a remote operation space for the operator who operates the remote operation device 20.
Abstract: The purpose of the present invention is to provide a chemically strengthened glass in which reduction in glass surface strength is effectively suppressed even without performing a polishing treatment after a prolonged chemical strengthening treatment has been conducted at a high temperature. The present invention relates to a chemically strengthened glass having a specific glass composition, wherein: the surface roughness (Ra) is a specific value or greater; the compressive stress layer depth of a surface layer is a specific value or greater; by setting the hydrogen concentration in the glass surface layer to be within a specific range, the surface strength of the glass is dramatically improved even without performing an etching treatment using hydrofluoric acid or polishing the glass surface after a prolonged chemical strengthening treatment has been conducted at a high temperature.
Abstract: The present invention relates to a chemically strengthened glass having a thickness of t [mm], and having a profile of a stress value CSx [MPa,] at a depth x [µm] from a surface of the glass, the stress value being measured by a scattered-light photoelastic stress meter, in which a second-order differential value CSx" of the stress value CSx in the profile satisfies the following expression within a range of CSx?0: 0<CSx"?0.050.
Abstract: The present invention relates to a chemically strengthened glass article including: a first surface; a second surface facing the first surface; and an end portion in contact with the first surface and the second surface, in which the first surface has a compressive stress value of 400 MPa to 1000 MPa, in which, when a compressive stress value of an inside of the glass is expressed with a depth from the first surface as a variable, a depth m [?m] at which the compressive stress value is maximum is larger than 0 ?m, and a value of CSm?CS0 [MPa] is 30 MPa or more, and in which a depth DOL at which the compressive stress value is 0 is 50 ?m to 150 ?m.
Abstract: A display mode of a picked-up image in a central image output device 2210 (specified image output device) is variably controlled so as to display all of respective specified portions PPL and PPR of a pair of pillars 4240L and 4240R configuring a cab 424 in the central image output device 2210 (specified image output device). The specified portions PPL and PPR are part of the pillars 4240L and 4240R overlapping a specified image region R that extends in a belt shape between left and right bezels 2210L and 2210R.
Abstract: The present invention relates to a chemically strengthened glass having a thickness of t [mm], and having a profile of a stress value CSx [MPa] at a depth x [?m] from a surface of the glass, the stress value being measured by a scattered-light photoelastic stress meter, in which a second-order differential value CSx? of the stress value CSx in the profile satisfies the following expression within a range of CSx?0: 0<CSx??0.050.