Patents by Inventor Masashi Sato
Masashi Sato 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: 10001213Abstract: A transmission including a variator capable of continuously changing a speed ratio, a stepped transmission mechanism arranged in series with the variator and in which a gear position is switched and a shilling control unit executing stepped shifting repeatedly performing a shifting suppression phase and an upshift phase when a stepped upshift shifting condition is satisfied is provided, and the shifting control unit completes a change from an n-th gear position of the stepped transmission mechanism to an n+1 gear position if the stepped transmission mechanism is at the n-th gear position before the through speed ratio reaches a Highest speed ratio of the variator when the stepped shifting is performed.Type: GrantFiled: May 20, 2014Date of Patent: June 19, 2018Assignee: JATCO LtdInventors: Masashi Sato, Hideshi Wakayama, Mamiko Inoue, Kousuke Waku, Hyuk Park
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Publication number: 20180123701Abstract: An amplitude adjustment circuit includes a memory that stores correspondence information between frequency distributions of an amplitude and adjustment coefficients, a processor configured to generate a frequency distribution of amplitude of data for which adaptive equalization processing has been executed, acquire the correspondence information between frequency distributions of the amplitude and adjustment coefficients from the memory, select the adjustment coefficient based on a result of comparison between the frequency distributions included in the correspondence information acquired by the acquiring unit and the frequency distribution generated by the generating unit, and adjust a gain of the data based on the adjustment coefficient selected by the selecting unit.Type: ApplicationFiled: October 6, 2017Publication date: May 3, 2018Applicant: FUJITSU LIMITEDInventors: Masashi Sato, KAZUHIKO HATAE, Nobukazu KOIZUMI, Yasuo OHTOMO, Masato OOTA, Daisuke SASAKI, Yuya IMOTO
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Patent number: 9843059Abstract: A fuel cell system for a vehicle with a fuel cell that generates electricity through a supply of anode gas and cathode gas is provided. The fuel cell system includes an idle stop execution unit configured to stop an idling of the fuel cell system according to a vehicle running state, a compressor control unit configured to execute a stop control on a cathode compressor during the idle stop, and an external air introduction control unit configured to restrain an introduction of external air to the fuel cell during the idle stop, wherein the external air introduction control unit is configured to release restraining the introduction of external air according to a voltage in the fuel cell during the idle stop.Type: GrantFiled: April 30, 2014Date of Patent: December 12, 2017Assignee: NISSAN MOTOR CO., LTD.Inventor: Masashi Sato
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Patent number: 9817075Abstract: An impedance measuring device outputs an alternating current of a prescribed frequency to a positive electrode terminal and a negative electrode terminal of the laminated type battery. The impedance measuring device detects an alternating-current potential difference between the positive electrode terminal and an intermediate-point terminal, and an alternating-current potential difference between the negative electrode terminal and the intermediate-point terminal. The impedance measuring device adjusts an amplitude of the alternating current such that the alternating-current potential difference between the positive electrode terminal and the intermediate-point terminal, and the alternating-current potential difference between the negative electrode terminal and the intermediate-point terminal coincide. The impedance measuring device computes an impedance of the laminated type battery on the basis of the alternating current adjusted and the alternating-current potential difference.Type: GrantFiled: February 19, 2014Date of Patent: November 14, 2017Assignee: NISSAN MOTOR CO., LTD.Inventors: Masanobu Sakai, Tetsuya Aoki, Hidetaka Nishimura, Masashi Sato, Michihiko Matsumoto
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Publication number: 20170304640Abstract: An automated external defibrillator includes a first pad at least partially colored in a first color, a second pad at least partially colored in a second color, and a main unit to which the first pad and the second pad are connected. The main unit has a first guidance surface that indicates how to attach of the first pad and the second pad. The first guidance surface has a first marker in the first color at a position corresponding to an attachment position of the first pad and a second marker in the second color at a position corresponding to an attachment position of the second pad.Type: ApplicationFiled: February 4, 2016Publication date: October 26, 2017Applicant: NIHON KOHDEN CORPORATIONInventor: Masashi SATO
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Patent number: 9791518Abstract: An impedance measuring device outputs an alternating current of a prescribed frequency to each of a positive electrode terminal and a negative electrode terminal of a laminated type battery and detects an alternating-current potential difference between the positive electrode terminal and an intermediate-point terminal and an alternating-current potential difference between the negative electrode terminal and the intermediate-point terminal. The impedance measuring device adjusts an amplitude of the alternating current such that the alternating-current potential difference between the positive electrode terminal and the intermediate-point terminal and the alternating-current potential difference between the negative electrode terminal and the intermediate-point terminal coincide, and computes an impedance on the basis of the adjusted alternating current and alternating-current potential differences.Type: GrantFiled: January 7, 2015Date of Patent: October 17, 2017Assignee: NISSAN MOTOR CO., LTD.Inventors: Tetsuya Aoki, Masanobu Sakai, Michihiko Matsumoto, Hidetaka Nishimura, Masashi Sato
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Patent number: 9789393Abstract: An object-motion detection method includes extracting, from each of a first image representing a detection-target object and generated by an imaging unit and a second image representing the detection-target object and generated after the first image by the imaging unit, an object area including the detection-target object, obtaining, for each of the first image and the second image, a reference point indicating a boundary between a moving part of the detection-target object and a fixed part of the detection-target object, the moving part moving when the detection-target object performs a certain motion, the fixed part not moving compared to the moving part when the detection-target object performs the certain motion, and obtaining, for each of the first image and the second image, a position of the moving part of the object area in a first area locating on a side including the moving part with respect to the reference point.Type: GrantFiled: June 14, 2013Date of Patent: October 17, 2017Assignee: OMRON CorporationInventors: Tatsuya Adachi, Masashi Sato, Mitsunori Sugiura
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Publication number: 20170214068Abstract: An apparatus for measuring an impedance of a fuel cell is configured to: output an AC current to a fuel cell; and adjust an impedance so that an impedance between the fuel cell and a load device becomes higher than an impedance between a secondary battery and the load device at a frequency of the AC current outputted to the fuel cell.Type: ApplicationFiled: July 11, 2014Publication date: July 27, 2017Applicant: NISSAN MOTOR CO., LTD.Inventors: Michihiko MATSUMOTO, Kotaro AKASHI, Yohei KANEKO, Masashi SATO
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Publication number: 20170185025Abstract: A sheet feeding device, which is included in an image forming apparatus, includes a sheet container to accommodate a recording medium, a sheet feeding body to press a surface of the recording medium in the sheet container and feed the recording medium in a sheet conveying direction, a pair of sheet position regulators to regulate a position of the recording medium in a sheet width direction perpendicular to the sheet conveying direction, and a load applier to contact the surface of the recording medium and apply a load to the recording medium at the surface. The recording medium is brought to move toward one of the pair of sheet position regulators while the recording medium is being fed. A lower face position in a standby state of the sheet feeding body is lower than a lower face position in a standby state of the load applier.Type: ApplicationFiled: December 21, 2016Publication date: June 29, 2017Applicant: Ricoh Company, Ltd.Inventors: YU WAKABAYASHI, Kaoru Shoji, Masashi Sato, Shohei Shinkawa, Tetsutaro Oishi, Rie Ohtsuka
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Patent number: 9680667Abstract: A circuit includes a calculation circuit configured to calculate a noise power of a predetermined-training-sequence pattern repeatedly included in a first signal input into an adaptive equalizer, based on a second signal obtained by compensating the first signal by a compensation circuit, a channel-estimation value based on the second signal, and the predetermined-training-sequence pattern; and an average circuit configured to obtain an average value of estimation values of frequency offsets based on the predetermined-training-sequence pattern having the noise power equal to or smaller than a predetermined power, among estimation values of frequency offsets based on the predetermined-training-sequence pattern, wherein the compensation circuit is configured to compensate a frequency offset of the predetermined-training sequence pattern based on the average value and thereby obtain the second signal, and the adaptive equalizer is configured to perform adaptive-equalization processing of the first signal with aType: GrantFiled: July 6, 2016Date of Patent: June 13, 2017Assignee: FUJITSU LIMITEDInventors: Daisuke Sasaki, Kazuhiko Hatae, Tomoki Katou, Nobukazu Koizumi, Masato Oota, Yasuo Ohtomo, Manabu Yamazaki, Masashi Sato
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Patent number: 9660733Abstract: A signal processing apparatus includes: a filter; and a filter control circuit, wherein the filter control circuit is configured to: detect a power of signals output from the filter; determine one of a plurality of numerical ranges to which the power belongs; update a filter coefficient of the filter according to a determination result; count a number of the signals having the power of a first value or more; set an invalid area which becomes a target not to be determined for each of one or more boundaries between the plurality of numerical ranges when the number of the signals becomes a second value or more; and control a width of the invalid area based on the number of signals.Type: GrantFiled: September 1, 2015Date of Patent: May 23, 2017Assignee: FUJITSU LIMITEDInventors: Masashi Sato, Kazuhiko Hatae, Tomoki Katou, Nobukazu Koizumi, Masato Oota, Yasuo Ohtomo, Manabu Yamazaki, Daisuke Sasaki
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Patent number: 9656196Abstract: A filter media for an air filter having a PF value higher than ever, and an air filter provided with the same. The filter media for an air filter is composed of wet-laid nonwoven fabric containing a glass fiber having an average fiber diameter of less than 1 and a binder fiber, and wherein the wet-laid nonwoven fabric contains a fluorine resin and a surfactant, and does not contain a resin binder or contains a binder resin in an amount of 50% by mass or less based on the fluorine resin.Type: GrantFiled: January 30, 2014Date of Patent: May 23, 2017Assignee: HOKUETSU KISHU PAPER CO., LTD.Inventors: Masashi Sato, Hiroyuki Yamamoto, Eiko Meguro, Junji Nemoto, Toshihiko Soyama
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Publication number: 20170141420Abstract: A cell system includes a laminated battery, a plurality of battery cells being laminated in the laminated battery, a first switch connected to a positive electrode of the laminated battery and configured to switch connection to the positive electrode to a shut-off state, and a second switch connected to a negative electrode of the laminated battery and configured to switch connection to the negative electrode to a shut-off state. Furthermore, the cell system includes a circuit to be connected at least either between the positive electrode and the first switch or between the negative electrode and the second switch; and a controller configured to shift control timings of the first switch and the second switch from the shut-off state to a connected state according to an electrical capacitance generated between the positive electrode and the negative electrode.Type: ApplicationFiled: July 8, 2014Publication date: May 18, 2017Applicant: NISSAN MOTOR CO., LTD.Inventors: Masashi SATO, Kotaro AKASHI, Masanobu SAKAI, Hidetaka NISHIMURA, Kenji KOBAYASHI, Keita TSUJI
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Publication number: 20170045588Abstract: An impedance measuring device outputs an alternating current of a prescribed frequency to each of a positive electrode terminal and a negative electrode terminal of a laminated type battery and detects an alternating-current potential difference between the positive electrode terminal and an intermediate-point terminal and an alternating-current potential difference between the negative electrode terminal and the intermediate-point terminal. The impedance measuring device adjusts an amplitude of the alternating current such that the alternating-current potential difference between the positive electrode terminal and the intermediate-point terminal and the alternating-current potential difference between the negative electrode terminal and the intermediate-point terminal coincide, and computes an impedance on the basis of the adjusted alternating current and alternating-current potential differences.Type: ApplicationFiled: January 7, 2015Publication date: February 16, 2017Applicant: NISSAN MOTOR CO., LTD.Inventors: Tetsuya AOKI, Masanobu SAKAI, Michihiko MATSUMOTO, Hidetaka NISHIMURA, Masashi SATO
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Publication number: 20170047602Abstract: A fuel cell system for a vehicle with a fuel cell that generates electricity through a supply of anode gas and cathode gas is provided. The fuel cell system includes an idle stop execution unit configured to stop an idling of the fuel cell system according to a vehicle running state, a compressor control unit configured to execute a stop control on a cathode compressor during the idle stop, and an external air introduction control unit configured to restrain an introduction of external air to the fuel cell during the idle stop, wherein the external air introduction control unit is configured to release restraining the introduction of external air according to a voltage in the fuel cell during the idle stop.Type: ApplicationFiled: April 30, 2014Publication date: February 16, 2017Applicant: NISSAN MOTOR CO., LTD.Inventor: Masashi SATO
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Publication number: 20170012803Abstract: A circuit includes a calculation circuit configured to calculate a noise power of a predetermined-training-sequence pattern repeatedly included in a first signal input into an adaptive equalizer, based on a second signal obtained by compensating the first signal by a compensation circuit, a channel-estimation value based on the second signal, and the predetermined-training-sequence pattern; and an average circuit configured to obtain an average value of estimation values of frequency offsets based on the predetermined-training-sequence pattern having the noise power equal to or smaller than a predetermined power, among estimation values of frequency offsets based on the predetermined-training-sequence pattern, wherein the compensation circuit is configured to compensate a frequency offset of the predetermined-training sequence pattern based on the average value and thereby obtain the second signal, and the adaptive equalizer is configured to perform adaptive-equalization processing of the first signal with aType: ApplicationFiled: July 6, 2016Publication date: January 12, 2017Applicant: FUJITSU LIMITEDInventors: Daisuke SASAKI, KAZUHIKO HATAE, TOMOKI KATOU, Nobukazu KOIZUMI, Masato OOTA, Yasuo OHTOMO, MANABU YAMAZAKI, Masashi Sato
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Patent number: 9543603Abstract: In a fuel cell system that includes a fuel cell that generates power in response to an electrochemical reaction between hydrogen and oxygen contained in air, and a compressor that supplies air to the fuel cell, in which an idle stop is executed to stop power generation by the fuel cell when a required load falls to or below a predetermined value, and during the idle stop, air is supplied in accordance with a voltage condition between a cathode and a anode of the fuel cell, regardless of the required load, air is supplied during the idle stop while detecting an air supply amount, and when the air supply amount reaches a predetermined value, the air supply is stopped.Type: GrantFiled: November 1, 2012Date of Patent: January 10, 2017Assignee: NISSAN MOTOR CO., LTD.Inventors: Masashi Sato, Mitsunori Kumada, Shinichi Makino
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Publication number: 20160356858Abstract: An impedance measuring device outputs an alternating current of a prescribed frequency to a positive electrode terminal and a negative electrode terminal of the laminated type battery. The impedance measuring device detects an alternating-current potential difference between the positive electrode terminal and an intermediate-point terminal, and an alternating-current potential difference between the negative electrode terminal and the intermediate-point terminal. The impedance measuring device adjusts an amplitude of the alternating current such that the alternating-current potential difference between the positive electrode terminal and the intermediate-point terminal, and the alternating-current potential difference between the negative electrode terminal and the intermediate-point terminal coincide. The impedance measuring device computes an impedance of the laminated type battery on the basis of the alternating current adjusted and the alternating-current potential difference.Type: ApplicationFiled: February 19, 2014Publication date: December 8, 2016Applicant: NISSAN MOTOR CO., LTD.Inventors: Masanobu SAKAI, Tetsuya AOKI, Hidetaka NISHIMURA, Masashi SATO, Michihiko MATSUMOTO
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Patent number: 9496966Abstract: A receiving device that converts, to a digital signal, a signal in which signal light from an optical transmission path and local oscillation light are mixed, so as to perform digital signal processing, the optical communication receiving device comprising: a frequency offset compensation unit configured to calculate a frequency offset of the digital signal and to, based on the frequency offset, compensate for a phase of the digital signal; a carrier phase recovery unit configured to calculate a carrier phase of the digital signal whose phase is compensated for in the frequency offset compensation unit; and a residual frequency offset detection unit configured to calculate an average of differences in the carrier phase, and to output the average as a residual frequency offset, wherein the frequency offset compensation unit is configured to correct the frequency offset using the residual frequency offset output by the residual frequency offset detection unit.Type: GrantFiled: September 24, 2014Date of Patent: November 15, 2016Assignee: FUJITSU LIMITEDInventors: Kazuhiko Hatae, Nobukazu Koizumi, Koji Nakamuta, Manabu Yamazaki, Tomoki Katou, Masashi Sato, Hisao Nakashima
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Patent number: 9484126Abstract: A covering material for electric wire, and an insulated electric wire and a wiring harness including the same, wherein the wire including the covering material has a reduced diameter, is inserted into a connector. The covering material containing a polyvinyl chloride having, with respect to 100 parts by mass of the polyvinyl chloride, 10 to 20 parts by mass of a plasticizer, 1 to 6 parts by mass of a chlorinated polyethylene, and 1 to 6 parts by mass of an MBS resin, and a total amount of the chlorinated polyethylene and the MBS resin is 2 to 7 parts by mass. The wire has an external diameter of smaller than 1.1 mm, and has a conductor 1 and an insulator 2 that covers the conductor 1. The insulator 2 is made of the covering material, and has a thickness of 0.25 mm or smaller.Type: GrantFiled: November 8, 2013Date of Patent: November 1, 2016Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Toyoki Furukawa, Masashi Sato, Masahiro Nakamura