Patents by Inventor Takashi Kitagaki
Takashi Kitagaki 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: 10228397Abstract: A measuring apparatus is provided for electrical signals. The measuring apparatus includes an analog-to-digital (A/D) converter configured to A/D-convert an analog signal to be measured, and an integrator configured to perform integration time processing for a plurality of digital values output from the A/D converter based on an integration time. The integrator is configured to output a plurality of measured values obtained by the integration time processing. A noise level calculation unit is configured to calculate a noise level of the analog signal to be measured from the plurality of measured values obtained by the integration time processing, and a display unit is configured to display noise levels corresponding to a plurality of integration times.Type: GrantFiled: November 20, 2015Date of Patent: March 12, 2019Assignee: Keysight Technologies, Inc.Inventor: Takashi Kitagaki
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Patent number: 9692299Abstract: Disclosed is a voltage-current characteristic generator that includes: a voltage source; a current source; a selector for selecting and outputting the output of either the voltage source or the current source; a sensing portion, connected to an output of the selector, for outputting the output of the selector and for sensing, and feeding back, the voltage and current of the output; and a controller for receiving the voltage and current detected by the sensing portion and for setting the subsequent outputs in the voltage source and the current source, wherein, in addition to setting the subsequent outputs, the controller evaluates an operating mode wherein the subsequent output from the selector is to be from either the voltage source or the current source.Type: GrantFiled: October 1, 2013Date of Patent: June 27, 2017Assignee: Keysight Technologies, Inc.Inventor: Takashi Kitagaki
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Publication number: 20170146573Abstract: A measuring apparatus is provided for electrical signals. The measuring apparatus includes an analog-to-digital (A/D) converter configured to A/D-convert an analog signal to be measured, and an integrator configured to perform integration time processing for a plurality of digital values output from the A/D converter based on an integration time. The integrator is configured to output a plurality of measured values obtained by the integration time processing. A noise level calculation unit is configured to calculate a noise level of the analog signal to be measured from the plurality of measured values obtained by the integration time processing, and a display unit is configured to display noise levels corresponding to a plurality of integration times.Type: ApplicationFiled: November 20, 2015Publication date: May 25, 2017Inventor: Takashi Kitagaki
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Publication number: 20140117970Abstract: Disclosed is a voltage-current characteristic generator that includes: a voltage source; a current source; a selector for selecting and outputting the output of either the voltage source or the current source; a sensing portion, connected to an output of the selector, for outputting the output of the selector and for sensing, and feeding back, the voltage and current of the output; and a controller for receiving the voltage and current detected by the sensing portion and for setting the subsequent outputs in the voltage source and the current source, wherein, in addition to setting the subsequent outputs, the controller evaluates an operating mode wherein the subsequent output from the selector is to be from either the voltage source or the current source.Type: ApplicationFiled: October 1, 2013Publication date: May 1, 2014Applicant: Agilent Technologies, Inc.Inventor: Takashi Kitagaki
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Patent number: 8615034Abstract: A method for analyzing a random telegraph signal according to the present invention includes the steps of: performing band-pass filter processing with respect to signal data; subsequently calculating a histogram; subsequently performing threshold determination processing; further performing, based on a result of the threshold determination, binarization processing with respect to the filtered signal data; and further obtaining, based on a result of the binarization, coefficients ?.Type: GrantFiled: July 30, 2009Date of Patent: December 24, 2013Assignee: Agilent Technologies, Inc.Inventor: Takashi Kitagaki
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Patent number: 7767254Abstract: In a paste for a solar cell light-receiving surface electrode including silver particles, glass frit, resin binder, and thinner, silver particles with a specific surface of 0.20-0.60 m2/g are used as the silver particles. The silver particles are preferably included at 80 mass % or more to the total amount of silver particles being included in the paste.Type: GrantFiled: August 26, 2009Date of Patent: August 3, 2010Assignee: E. I. du Pont de Nemours and CompanyInventors: Takuya Konno, Takashi Kitagaki, Hiroki Kojo
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Publication number: 20100098143Abstract: A method for analyzing a random telegraph signal according to the present invention includes the steps of: performing band-pass filter processing with respect to signal data; subsequently calculating a histogram; subsequently performing threshold determination processing; further performing, based on a result of the threshold determination, binarization processing with respect to the filtered signal data; and further obtaining, based on a result of the binarization, coefficients ?.Type: ApplicationFiled: July 30, 2009Publication date: April 22, 2010Applicant: AGILENT TECHNOLOGIES, INC.Inventor: Takashi Kitagaki
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Publication number: 20100078603Abstract: In a paste for a solar cell light-receiving surface electrode including silver particles, glass frit, resin binder, and thinner, silver particles with a specific surface of 0.20-0.60 m2/g are used as the silver particles. The silver particles are preferably included at 80 mass % or more to the total amount of silver particles being included in the paste.Type: ApplicationFiled: December 4, 2009Publication date: April 1, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Takuya Konno, Takashi Kitagaki, Hiroki Kojo
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Patent number: 7648730Abstract: In a paste for a solar cell light-receiving surface electrode including silver particles, glass frit, resin binder, and thinner, silver particles with a specific surface of 0.20-0.60 m2/g are used as the silver particles. The silver particles are preferably included at 80 mass % or more to the total amount of silver particles being included in the paste.Type: GrantFiled: August 1, 2006Date of Patent: January 19, 2010Assignee: E.I. du Pont de Nemours and CompanyInventors: Takuya Konno, Takashi Kitagaki, Hiroki Kojo
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Publication number: 20090317940Abstract: In a paste for a solar cell light-receiving surface electrode including silver particles, glass frit, resin binder, and thinner, silver particles with a specific surface of 0.20-0.60 m2/g are used as the silver particles. The silver particles are preferably included at 80 mass % or more to the total amount of silver particles being included in the paste.Type: ApplicationFiled: August 26, 2009Publication date: December 24, 2009Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Takuya Konno, Takashi Kitagaki, Hiroki Kojo
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Publication number: 20090001328Abstract: In a paste for a solar cell light-receiving surface electrode including silver particles, glass frit, resin binder, and thinner, silver particles with a specific surface of 0.20-0.60 m2/g are used as the silver particles. The silver particles are preferably included at 80 mass % or more to the total amount of silver particles being included in the paste.Type: ApplicationFiled: August 1, 2006Publication date: January 1, 2009Inventors: Takuya Konno, Takashi Kitagaki, Hiroki Kojo
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Patent number: 6289478Abstract: A data processing apparatus for an IC tester that generates data or evaluates data, includes a first memory; a first reconfigurable logic device operative during input and output of data, for converting signals for internal use in the data processing apparatus, an internal configuration of the first reconfigurable logic device being alterable to accomplish such converting; a second reconfigurable logic device for receiving data from the first memory or the first reconfigurable logic device and for processing the data in accordance with an internally configured combination of elements, an internal configuration of the second reconfigurable logic device being alterable to accomplish details of the processing; a third reconfigurable logic device for establishing a specific interface when data is transmitted and received between the second reconfigurable logic device and the first memory, an internal configuration of the third reconfigurable logic device being alterable in accordance with a selected type of interType: GrantFiled: February 20, 1999Date of Patent: September 11, 2001Assignee: Agilent Technologies, Inc.Inventor: Takashi Kitagaki
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Patent number: 4859364Abstract: A conductive paste composition consisting of an admixture of: (a) conductive metal particles having an average particle size of about 0.3 to 1.0 .mu.m; (b) particles uniformly coated with a conductive metal and having an average particle size of not more than 1 .mu.m; and (c) an organic medium, the admixture of particles (a) and (b) being dispersed in the organic medium.Type: GrantFiled: May 25, 1988Date of Patent: August 22, 1989Assignee: E. I. Du Pont de Nemours and CompanyInventors: Yasuo Yamamoto, Akira Inaba, Takashi Kitagaki