Patents by Inventor Keisuke Tashima
Keisuke Tashima 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: 20230152272Abstract: A calibration liquid (1) is used for calibrating a water quality measurement device (100). The water quality measurement device (100) includes a plurality of sensors to be brought into contact with a measurement target liquid so as to measure concentrations of a plurality of types of target components contained in the measurement target liquid, and measures the concentrations of the plurality of types of target components. The calibration liquid (1) includes a solution which contains the plurality of types of target components at respective concentrations determined for the target components, and the solution has a pH within a predetermined pH range.Type: ApplicationFiled: January 27, 2021Publication date: May 18, 2023Inventors: Shunsuke KAMEI, Keisuke TASHIMA, Norimasa OSAWA, Kazusei TAMAI, Junji KOJIMA, Yasukazu IWAMOTO, Hiroshi NAGAI
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Publication number: 20230054730Abstract: A water quality measurement device (100) includes a flow channel (130), an ion sensor having a responsive film portion whose surface is disposed in the flow channel (130), a glass-electrode-type sensor having a glass electrode whose surface is disposed in the flow channel (130), a drive section (115), a first opening-closing section, and a second opening-closing section. When a storage condition is satisfied, the water quality measurement device (100) puts the first opening-closing section in a first closed state and puts the second opening-closing section in a second closed state, thereby producing a state in which the surface of the responsive film portion and the surface of the glass electrode are present in a common closed space (135) whereby the closed space (135) is put in a wet state without the surface of the responsive film portion being immersed in the liquid.Type: ApplicationFiled: January 8, 2021Publication date: February 23, 2023Inventors: Shunsuke KAMEI, Keisuke TASHIMA, Norimasa OSAWA
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Publication number: 20220268726Abstract: A water quality measuring system includes a first introduction section for introducing rearing water as a sampling target, and a first adding section which adds an acid to the rearing water introduced by the first introduction section, and a nitrous acid sensor whose measurement target is nitrous acid and which measures the measurement target concentration of the rearing water to which the acid has been added by the first adding section. The water quality measuring system includes a second adding section which adds a base to the rearing water introduced by the first introduction section, and an ammonia sensor whose measurement target is ammonia and which measures the measurement target concentration of the rearing water to which the base has been added by the second adding section.Type: ApplicationFiled: July 14, 2020Publication date: August 25, 2022Inventors: Yoji TAKEHIRO, Kazusei TAMAI, Gray Lawrence Sirosi PUTRA, Keisuke TASHIMA, Shunsuke KAMEI, Junji KOJIMA, Yasukazu IWAMOTO, Hiroshi NAGAI
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Patent number: 10996196Abstract: A particulate sensor (10) to be attached to a gas flow pipe EP through which a gas to be measured EG containing particulates S flows. The particulate sensor (10) includes a gas introduction discharge pipe (31); a discharge element (60) including a discharge electrode member (62) maintained at a discharge potential DV and which electrifies particulates contained in the gas under measurement, and a sealed portion (60C) located on a proximal end side GK of an element distal end portion and in which the discharge electrode member is disposed and insulated from the outer surface (60CS) thereof; a surrounding member (38, 39) maintained at a first potential SGND; and an electrically conductive glass seal (37) which establishes electrical communication between the surrounding member and the pipe (31), and is in close contact with the outer surface of the sealed portion of the discharge element to provide gastight sealing.Type: GrantFiled: August 21, 2018Date of Patent: May 4, 2021Assignee: NGK SPARK PLUG CO., LTD.Inventors: Norimasa Osawa, Masayuki Motomura, Keisuke Tashima
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Patent number: 10509746Abstract: An information processing apparatus includes a processor; and a management controller coupled to the processor and configured to prohibit interruption from a slot to the processor when an input/output (IO) device is mounted in the slot by exchange or expansion; performs setting of the IO device while the interruption from the slot to the processor is prohibited; and permit the interruption from the slot to the processor when the setting of the IO device is completed.Type: GrantFiled: April 30, 2018Date of Patent: December 17, 2019Assignee: FUJITSU LIMITEDInventor: Keisuke Tashima
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Patent number: 10330579Abstract: A particulate amount determination section of a particulate measurement system corrects a measurement signal or the amount of particulates determined from the measurement signal based on one or a plurality of three operating condition parameters selected from speed of the vehicle, rotational speed of the internal combustion engine and torque of the internal combustion engine.Type: GrantFiled: October 16, 2014Date of Patent: June 25, 2019Assignee: NGK SPARK PLUG CO., LTD.Inventors: Takeshi Sugiyama, Masayuki Motomura, Toshiya Matsuoka, Keisuke Tashima
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Publication number: 20190064112Abstract: A particulate sensor (10) to be attached to a gas flow pipe EP through which a gas to be measured EG containing particulates S flows. The particulate sensor (10) includes a gas introduction discharge pipe (31); a discharge element (60) including a discharge electrode member (62) maintained at a discharge potential DV and which electrifies particulates contained in the gas under measurement, and a sealed portion (60C) located on a proximal end side GK of an element distal end portion and in which the discharge electrode member is disposed and insulated from the outer surface (60CS) thereof; a surrounding member (38, 39) maintained at a first potential SGND; and an electrically conductive glass seal (37) which establishes electrical communication between the surrounding member and the pipe (31), and is in close contact with the outer surface of the sealed portion of the discharge element to provide gastight sealing.Type: ApplicationFiled: August 21, 2018Publication date: February 28, 2019Applicant: NGK SPARK PLUG CO., LTD.Inventors: Norimasa OSAWA, Masayuki MOTOMURA, Keisuke TASHIMA
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Patent number: 10209173Abstract: A particulate sensor includes: an inner metallic member which is maintained at a first potential and which has a gas introduction pipe into which a target gas is introduced; a tubular outer metallic member which surrounds the radially outer circumference of the inner metallic member and which is attached to a gas flow pipe to thereby be maintained at a ground potential; and an insulating spacer which is interposed between the inner metallic member and the outer metallic member so as to electrically insulate them from each other and which has a tubular gas contact portion which is exposed to the interior of the gas flow pipe and comes into contact with the gas under measurement. The insulating spacer has a heater for heating the gas contact portion. The heater includes a heat generation resistor embedded in the insulating spacer.Type: GrantFiled: August 21, 2015Date of Patent: February 19, 2019Assignee: NGK SPARK PLUG CO., LTD.Inventors: Takeshi Sugiyama, Masayuki Motomura, Norimasa Osawa, Keisuke Tashima, Toshiya Matsuoka
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Publication number: 20180329840Abstract: An information processing apparatus includes a processor; and a management controller coupled to the processor and configured to prohibit interruption from a slot to the processor when an input/output (IO) device is mounted in the slot by exchange or expansion; performs setting of the IO device while the interruption from the slot to the processor is prohibited; and permit the interruption from the slot to the processor when the setting of the IO device is completed.Type: ApplicationFiled: April 30, 2018Publication date: November 15, 2018Applicant: Fujitsu LimitedInventor: Keisuke TASHIMA
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Patent number: 10006883Abstract: A particulate sensor (1) includes an ion source (15) and a reference potential member (45). The particulate sensor (1) detects particulates S contained in a gas under measurement EG by means of ions CP. The ion source (15) includes a ceramic structure (100) having a ceramic laminate (101) and a discharge electrode member (110). The discharge electrode member (110) has an inter-layer portion (112A, 111) embedded between the layers of the ceramic laminate (101) and an exposed portion (112B) extending from the inter-layer portion (112A, 111) to a position outside the ceramic laminate (101). The discharge electrode member (110) generates the gaseous discharge between the reference potential member (45) and the exposed portion (112B) including one or more needle-shaped distal end portions (1125) upon application of a constant DC discharge potential PV2.Type: GrantFiled: January 7, 2015Date of Patent: June 26, 2018Assignee: NGK SPARK PLUG CO., LTD.Inventors: Takeshi Sugiyama, Masayuki Motomura, Norimasa Osawa, Keisuke Tashima, Hirokazu Murase, Toshiya Matsuoka
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Patent number: 9915587Abstract: A particulate sensor (1) which detects particulates S contained in a gas under measurement (EG) flowing within a gas flow pipe (EP) has a space forming portion (12) and an ion source (15). The space forming portion (12) projects into the gas flow pipe EP and forms an internal space MX. The space forming portion (12) has an introduction port (43I) and a discharge port (48O) for discharging from the internal space MX the gas EGI introduced through the introduction port (43I). The source (15) produces ions CP by gaseous discharge. The space forming portion (12) is configured such that the introduced gas EGI is discharged from the internal space MX through the discharge port (48O), the gas under measurement EG is introduced into the internal space MX through the introduction port (43I), and the introduced gas EGI is mixed with the ions CP produced by the ion source (15).Type: GrantFiled: September 10, 2013Date of Patent: March 13, 2018Assignee: NGK SPARK PLUG CO., LTD.Inventors: Takeshi Sugiyama, Masayuki Motomura, Keisuke Tashima, Toshiya Matsuoka
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Patent number: 9581069Abstract: A particulate detection system (1) for detecting the amount of particulates S in a gas under measurement EG includes a detection section (10), a drive circuit (210, 240), and a drive control section (225). The detection section includes a first potential member (31, 12, 13) maintained at a first potential PV1, a second potential member (14, 51, 53) maintained at a second potential PVE, PV3, and an insulating member (121, 77, 76) disposed between the first and second potential members. The system includes insulation test means (215, S3, 245, S5) for testing the degree of insulation between the first and second potential members. The drive control section includes drive permission/prohibition determination means S4, S6 for determining, on the basis of the degree of insulation tested by the insulation test means, whether to permit the drive of the detection section by the drive circuit.Type: GrantFiled: March 8, 2013Date of Patent: February 28, 2017Assignee: NGK SPARK PLUG CO., LTD.Inventors: Masayuki Motomura, Takeshi Sugiyama, Keisuke Tashima, Toshiya Matsuoka, Hitoshi Yokoi
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Publication number: 20170045435Abstract: A particulate sensor includes: an inner metallic member which is maintained at a first potential and which has a gas introduction pipe into which a target gas is introduced; a tubular outer metallic member which surrounds the radially outer circumference of the inner metallic member and which is attached to a gas flow pipe to thereby be maintained at a ground potential; and an insulating spacer which is interposed between the inner metallic member and the outer metallic member so as to electrically insulate them from each other and which has a tubular gas contact portion which is exposed to the interior of the gas flow pipe and comes into contact with the gas under measurement. The insulating spacer has a heater for heating the gas contact portion. The heater includes a heat generation resistor embedded in the insulating spacer.Type: ApplicationFiled: August 21, 2015Publication date: February 16, 2017Applicant: NGK SPARK PLUG CO., LTD.Inventors: Takeshi SUGIYAMA, Masayuki MOTOMURA, Norimasa OSAWA, Keisuke TASHIMA, Toshiya MATSUOKA
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Patent number: 9476807Abstract: A particulate sensor including a sensor unit (300) having an ion generation section (611, 361, 322); an electric charge section (612) for electrically charging at least portion of particulates S using ions PI; a capture section (616, 617, 316, 326, 362) for trapping at least portion of the ions PI not used for electrically charging the particulates S; and a sensor ground section (340, 310v, 330v3) connected to the capture section and having a first floating potential corresponding to the amount of the ions PI trapped by the capture section. The sensor unit can detect the amount of the particulates S in the gas on the basis of the electric potential of the sensor ground section. The sensor ground section is covered with insulating ceramic at that outer portion of the sensor unit which comes into contact with the gas.Type: GrantFiled: February 13, 2013Date of Patent: October 25, 2016Assignee: NGK SPARK PLUG CO., LTD.Inventors: Masayuki Motomura, Takeshi Sugiyama, Keisuke Tashima, Norimasa Osawa, Toshiya Matsuoka, Hitoshi Yokoi
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Patent number: 9395273Abstract: A particulate detection system (1) includes detection section (10), compressed air source (300) which includes compressor (301) for producing compressed air AK, compressor drive circuit (320) and control means (100). The detection section includes a gas jetting source (11). A drive condition for jetting air AR from jetting hole (31N) at a first flow rate Q1 is defined as a first drive condition JK1, and a drive condition for jetting the air AR at a second flow rate Q2 smaller than the first flow rate Q1 is defined as a second drive condition JK2. The control means includes first instruction means S5 for driving the compressor under the first drive condition JK1 when the quantity of the particulates S is detected, and second instruction means S6 for driving the compressor under the second drive condition JK2 when the quantity of the particulates S is not detected.Type: GrantFiled: November 22, 2012Date of Patent: July 19, 2016Assignee: NGK SPARK PLUG CO., LTD.Inventors: Masayuki Motomura, Takeshi Sugiyama, Keisuke Tashima, Toshiya Matsuoka, Hitoshi Yokoi
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Patent number: 9206757Abstract: A particulate detection system (1, 2, 3) detects the quantity of particulates S contained in exhaust gas EG discharged from an internal combustion engine ENG and flowing through an exhaust pipe EP. The system (1, 2, 3) includes a detection section (10) attached to the exhaust pipe EP; and a drive processing circuit (201) electrically connected to the detection section (10), driving the detection section (10), and detecting and processing a signal Is from the detection section 10. The drive processing circuit (201) includes drive start delay means (S2, S3, S11, S12, S13, S22, S23) for delaying start of the drive of the detection section (10) until a start condition determined by the drive processing circuit (201) is satisfied after startup of the internal combustion engine ENG.Type: GrantFiled: May 10, 2012Date of Patent: December 8, 2015Assignee: NGK SPARK PLUG CO., LTD.Inventors: Toshiya Matuoka, Masayuki Motomura, Takeshi Sugiyama, Keisuke Tashima, Hitoshi Yokoi
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Publication number: 20150285711Abstract: A particulate detection system (1) includes detection section (10), compressed air source (300) which includes compressor (301) for producing compressed air AK, compressor drive circuit (320) and control means (100). The detection section includes a gas jetting source (11). A drive condition for jetting air AR from jetting hole (31N) at a first flow rate Q1 is defined as a first drive condition JK1, and a drive condition for jetting the air AR at a second flow rate Q2 smaller than the first flow rate Q1 is defined as a second drive condition JK2. The control means includes first instruction means S5 for driving the compressor under the first drive condition JK1 when the quantity of the particulates S is detected, and second instruction means S6 for driving the compressor under the second drive condition JK2 when the quantity of the particulates S is not detected.Type: ApplicationFiled: November 22, 2012Publication date: October 8, 2015Applicant: NGK SPARK PLUG CO., LTD.Inventors: Masayuki Motomura, Takeshi Sugiyama, Keisuke Tashima, Toshiya Matsuoka, Hitoshi Yokoi
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Publication number: 20150204759Abstract: A particulate sensor (1) which detects particulates S contained in a gas under measurement (EG) flowing within a gas flow pipe (EP) has a space forming portion (12) and an ion source (15). The space forming portion (12) projects into the gas flow pipe EP and forms an internal space MX. The space forming portion (12) has an introduction port (43I) and a discharge port (48O) for discharging from the internal space MX the gas EGI introduced through the introduction port (43I). The source (15) produces ions CP by gaseous discharge. The space forming portion (12) is configured such that the introduced gas EGI is discharged from the internal space MX through the discharge port (48O), the gas under measurement EG is introduced into the internal space MX through the introduction port (43I), and the introduced gas EGI is mixed with the ions CP produced by the ion source (15).Type: ApplicationFiled: September 10, 2013Publication date: July 23, 2015Applicant: NGK SPARK PLUG CO., LTD.Inventors: Takeshi Sugiyama, Masayuki Motomura, Keisuke Tashima, Toshiya Matsuoka
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Publication number: 20150192545Abstract: A particulate sensor (1) includes an ion source (15) and a reference potential member (45). The particulate sensor (1) detects particulates S contained in a gas under measurement EG by means of ions CP. The ion source (15) includes a ceramic structure (100) having a ceramic laminate (101) and a discharge electrode member (110). The discharge electrode member (110) has an inter-layer portion (112A, 111) embedded between the layers of the ceramic laminate (101) and an exposed portion (112B) extending from the inter-layer portion (112A, 111) to a position outside the ceramic laminate (101). The discharge electrode member (110) generates the gaseous discharge between the reference potential member (45) and the exposed portion (112B) including one or more needle-shaped distal end portions (1125) upon application of a constant DC discharge potential PV2.Type: ApplicationFiled: January 7, 2015Publication date: July 9, 2015Applicant: NGK SPARK PLUG CO., LTD.Inventors: Takeshi SUGIYAMA, Masayuki MOTOMURA, Norimasa OSAWA, Keisuke TASHIMA, Hirokazu MURASE, Toshiya MATSUOKA
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Publication number: 20150114087Abstract: A particulate measurement system measures the amount of particulates when at least one or a plurality of three operating condition parameters selected from speed of the vehicle, rotational speed of the internal combustion engine and torque of the internal combustion engine fall within previously set respective ranges, and the particulate measurement system does not measure the amount of particulates or invalidates the result of measurement of the amount of particulates when the one or plurality of operating condition parameters do not fall within the previously set respective ranges.Type: ApplicationFiled: October 16, 2014Publication date: April 30, 2015Applicant: NGK SPARK PLUG CO., LTD.Inventors: Takeshi SUGIYAMA, Masayuki MOTOMURA, Toshiya MATSUOKA, Keisuke TASHIMA