Patents by Inventor Shigeki Ishii
Shigeki Ishii 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: 12176112Abstract: An image processing apparatus includes at least one memory configured to store instructions, and at least one processor configured to execute the instructions to process an image of a target region, and thereby compute a proximity index being an index relating to a proximity state of a plurality of persons captured in the image, and cause a predetermined apparatus to execute predetermined control, when the proximity index satisfies a criterion.Type: GrantFiled: April 15, 2021Date of Patent: December 24, 2024Assignee: NEC CORPORATIONInventors: Gaku Nakano, Shoji Nishimura, Yoshitaka Higeta, Youtarou Noda, Shigeki Shinoda, Yuzo Senda, Shin Tominaga, Masumi Ishikawa, Daisuke Ikefuji, Kana Takizawa, Kenichi Ishii, Yoshiyuki Satou, Eishi Arita, Shota Yamamoto, Shinya Yamasaki, Narumitsu Notomi, Aki Nakamura
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Patent number: 12110662Abstract: A work machine includes: an informing device that informs an operator; an input device for inputting predetermined information; a notification device that gives a notification to a worker around the work machine; a controller; and a communication device that communicates with a mobile terminal carried by the worker.Type: GrantFiled: May 26, 2021Date of Patent: October 8, 2024Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Kazushige Kurokami, Takaaki Ishii, Shigeki Tokita, Hiroshi Sakamoto, Yoshiyuki Tsuchie
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Patent number: 12053878Abstract: Provided is a sensing device to be applied to an actuator including a shaft that is movable in an axial direction, the shaft including a hollow part formed on at least a tip side of the shaft such that an interior of the shaft is hollow, the actuator being configured to generate a negative pressure in the hollow part to suction a workpiece to a tip of the shaft, thereby picking up the workpiece. The sensing device includes a flow sensor provided in a middle of an air passage to detect a flow rate of air flowing through the air passage, the air passage being a passage through which air sucked out from the hollow part flows when the negative pressure is applied to the hollow part, and a pressure sensor provided in a middle of the air passage, to detect a pressure in the air passage.Type: GrantFiled: August 1, 2019Date of Patent: August 6, 2024Assignee: THK CO., LTD.Inventors: Katsuya Fukushima, Masashi Ishii, Hiroki Niwa, Shigeki Hayashi, Akira Suzuki, Kazuto Oga, Shogo Wakuta, Satoshi Hara, Tomofumi Mizuno
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Patent number: 12036666Abstract: The present invention reduces tact time for a pick-and-place operation by an actuator. In a housing of the actuator, an air passage being a passage of air when sucking air from a hollow part of a shaft is provided. Furthermore, a sucking valve that sucks air from the hollow part of the shaft through the air passage and a suction detecting sensor to detect that a workpiece is suctioned onto a tip of the shaft are provided in the air passage. Then, in the housing, the air passage is disposed at a position on a side opposite to a linear motion motor that moves the shaft in an axial direction of the shaft, via the shaft.Type: GrantFiled: August 1, 2019Date of Patent: July 16, 2024Assignee: THK CO., LTD.Inventors: Katsuya Fukushima, Masashi Ishii, Hiroki Niwa, Shigeki Hayashi, Akira Suzuki, Kazuto Oga, Shogo Wakuta, Satoshi Hara, Tomofumi Mizuno, Satoru Nagai
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Publication number: 20240070535Abstract: A cause estimation system includes a training data acquisition unit that acquires training data in which sensing data is used as an explanatory variable and a flame failure detection cause is used as an objective variable, the sensing data being sensed by a combustion system during a predetermined time period preceding a time when a flame failure is detected based on a flame voltage indicating a main burner's flame state. The cause estimation system further includes a machine learning unit that performs machine learning based on the training data acquired and that constructs an estimation model in which a learning result is reflected, and a cause estimation unit that inputs sensing data sensed by the combustion system during a predetermined time period preceding a new flame failure detection timing into the estimation model and that acquires a new flame failure detection cause output from the estimation model.Type: ApplicationFiled: June 30, 2023Publication date: February 29, 2024Applicant: Azbil CorporationInventors: Daisuke OKUMURA, Shigeki ISHII
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Publication number: 20240035658Abstract: To detect a sign of a flame failure that cannot be detected by monitoring a flame voltage and a flame current, a flame monitoring device is provided that includes an information acquisition unit that sequentially acquires a flame level indicating frequency of discharge of a flame detector caused by a flame of a main burner, and a flame level monitoring unit that monitors the flame level sequentially acquired by the information acquisition unit. The flame level monitoring unit detects a sign of a flame failure of the flame by detecting an occurrence of a specific period during which a state in which the flame level is less than a predetermined threshold value continues for a length of time equal to or more than a predetermined period and less than a flame response period.Type: ApplicationFiled: June 29, 2023Publication date: February 1, 2024Applicant: Azbil CorporationInventors: Shigeki ISHII, Takeshi NISHIYAMA, Daisuke OKUMURA, Kayo SUZUKI
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Publication number: 20230393086Abstract: A user is allowed to appropriately recognize a malfunction in a combustion device by a combustion monitoring device, which includes an information acquisition unit that acquires a plurality of sets each including an amount of fuel supplied to a main burner of a combustion device and an average value and a variation degree of flame levels when the amount of fuel is supplied to the main burner. The combustion monitoring device further includes information processing unit that executes a process of displaying, on a display, a graph indicating a relation between the amount of fuel and the average value of the flame levels, and a graph indicating a relation between the amount of fuel and the variation degree of the flame levels, based on the plurality of sets acquired by the information acquisition unit.Type: ApplicationFiled: May 13, 2023Publication date: December 7, 2023Applicant: Azbil CorporationInventors: Shigeki ISHII, Takeshi NISHIYAMA, Daisuke OKUMURA, Kenichi YAMAGATA
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Publication number: 20230235880Abstract: To grasp a state of a combustion apparatus based on a flame state of a burner, a discharge number measurement unit measures the number of discharges of a flame sensor per unit time. A light emission information generation unit generates, as light emission information, information obtained based on a value obtained by dividing a total (accumulation) of the number of discharges per unit time measured by the discharge number measurement unit by a total measurement time. A determination unit determines the state of the combustion apparatus to be inspected based on the light emission information generated by the light emission information generation unit as described above.Type: ApplicationFiled: December 15, 2022Publication date: July 27, 2023Applicant: Azbil CorporationInventors: Shigeki ISHII, Kayo SUZUKI, Kenichi YAMAGATA
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Publication number: 20230235883Abstract: To grasp a state of a combustion apparatus based on a flame state of a burner, a discharge number measurement unit measures the number of discharges of a flame sensor per unit time, and a light emission information generation unit generates, as light emission information, information obtained based on a value obtained by dividing a total (accumulation) of the number of discharges per unit time measured by the discharge number measurement unit by a total measurement time, and a display unit displays the light emission information generated by the light emission information generation unit. Since the light emission information corresponds to a combustion amount, a change in a combustion state is capable of being grasped more finely by confirming a change in the light emission information displayed on the display unit, and a fine abnormality in a combustion apparatus is capable of being detected.Type: ApplicationFiled: December 15, 2022Publication date: July 27, 2023Applicant: Azbil CorporationInventors: Shigeki ISHII, Daisuke OKUMURA, Takeshi NISHIYAMA
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Patent number: 11293978Abstract: A voltage application device of a tester includes a voltage setting controller that sets a number of transient steps, step time, and step voltage as transient voltage setting parameters; and a device power supply (DPS) configured to supply power to the plurality of devices under test formed on a substrate. The voltage application device outputs an output voltage having a step-like transient voltage waveform based on the transient voltage setting parameters set by the voltage setting controller. The voltage application device is a high-order lag system of a second-order or higher in which an overshoot occurs in a response with respect to a set voltage. An end point of a step time of each of the transient steps set in the voltage setting controller is set to be a time between an end point of a rising time and an overshoot time.Type: GrantFiled: July 25, 2018Date of Patent: April 5, 2022Assignee: TOKYO ELECTRON LIMITEDInventors: Shigeki Ishii, Katsuaki Sugiyama, Kenichi Narikawa, Koji Shinagawa, Takumi Nagura
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Patent number: 11215362Abstract: A flame detection system includes: a UV sensor that serves as a flame sensor detecting a UV ray generated by a flame; an application voltage generation unit that applies a driving voltage to the UV sensor; a discharge detection unit that detects a discharge in the UV sensor; a discharge count unit that counts the number of detected discharges; a discharge probability calculation unit that calculates a discharge probability on the basis of the number of discharges counted by the discharge count unit and the number of times the driving voltage is applied; a UV intensity determination unit that determines an intensity of the UV ray on the basis of the discharge probability; and a determination result output unit that outputs the intensity of the UV ray determined by the UV intensity determination unit via display or communication.Type: GrantFiled: March 20, 2020Date of Patent: January 4, 2022Assignee: AZBIL CORPORATIONInventors: Takashi Watanabe, Shigeki Ishii, Yuichi Kumazawa, Kayo Suzuki, Satoru Yamagishi
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Publication number: 20200309372Abstract: A flame detection system includes: a UV sensor that serves as a flame sensor detecting a UV ray generated by a flame; an application voltage generation unit that applies a driving voltage to the UV sensor; a discharge detection unit that detects a discharge in the UV sensor; a discharge count unit that counts the number of detected discharges; a discharge probability calculation unit that calculates a discharge probability on the basis of the number of discharges counted by the discharge count unit and the number of times the driving voltage is applied; a UV intensity determination unit that determines an intensity of the UV ray on the basis of the discharge probability; and a determination result output unit that outputs the intensity of the UV ray determined by the UV intensity determination unit via display or communication.Type: ApplicationFiled: March 20, 2020Publication date: October 1, 2020Applicant: AZBIL CORPORATIONInventors: Takashi WATANABE, Shigeki ISHII, Yuichi KUMAZAWA, Kayo SUZUKI, Satoru YAMAGISHI
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Publication number: 20200278392Abstract: A voltage application device of a tester includes a voltage setting controller that sets a number of transient steps, step time, and step voltage as transient voltage setting parameters; and a device power supply (DPS) configured to supply power to the plurality of devices under test formed on a substrate. The voltage application device outputs an output voltage having a step-like transient voltage waveform based on the transient voltage setting parameters set by the voltage setting controller. The voltage application device is a high-order lag system of a second-order or higher in which an overshoot occurs in a response with respect to a set voltage. An end point of a step time of each of the transient steps set in the voltage setting controller is set to be a time between an end point of a rising time and an overshoot time.Type: ApplicationFiled: July 25, 2018Publication date: September 3, 2020Inventors: Shigeki Ishii, Katsuaki Sugiyama, Kenichi Narikawa, Koji Shinagawa, Takumi Nagura
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Patent number: 10502490Abstract: A maintenance management device that integrates point values for each element that exerts thermal stress on a high-temperature furnace, with an operation time of the high-temperature furnace as an integration period, in which the point values are obtained by converting actual values of a thermal stress of each of elements into a reference thermal stress. A point value obtained by converting a limit value of the thermal stress with which the high-temperature furnace can normally operate into the reference thermal stress is set as a lifetime thermal stress, the point value integrated with the operation time of the high-temperature furnace as the integration period is set as an accumulated thermal stress, and a remaining lifetime of the high-temperature furnace equipment is predicted from the result of subtracting the accumulated thermal stress from the lifetime thermal stress.Type: GrantFiled: March 30, 2017Date of Patent: December 10, 2019Assignee: Azbil CorporationInventors: Shigeki Ishii, Yuichi Kumazawa, Satoshi Kadoya, Katsumi Morikawa
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Patent number: 10260747Abstract: A first reset switch is attached to a combustion controlling device. A second reset switch is installed at a remote place distant from the combustion controlling device. A first reset input from the first reset switch is received without any restriction to release the lockout. A reset input from the second reset switch is received with any restriction to release the lockout. Specifically, when the lockout releases are performed for a predetermined number of times or more upon receiving the reset input before a predetermined time elapses after the lockout has been released upon receiving the initial reset input, the release of the lockout upon receiving the reset input is prohibited until the predetermined time elapses.Type: GrantFiled: March 27, 2017Date of Patent: April 16, 2019Assignee: Azbil CorporationInventors: Kayo Suzuki, Takeshi Nishiyama, Shigeki Ishii
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Publication number: 20180266682Abstract: A pseudo flame detecting portion detects a presence of a pseudo flame due to disturbance light when a sensor output of a flame sensor is equal to or greater than a pseudo flame threshold value and detects an absence of pseudo flame when the sensor output is equal to or less than another pseudo flame threshold value. The combustion controlling portion monitors the pseudo flame detection result from the pseudo flame detecting portion before an ignition attempt in the combustion equipment and, when the pseudo flame detection result continuously indicates presence of pseudo flame for a first monitoring time, cancels the ignition attempt in the combustion equipment.Type: ApplicationFiled: March 15, 2018Publication date: September 20, 2018Applicant: Azbil CorporationInventors: Takeshi NISHIYAMA, Yuichi KUMAZAWA, Shigeki ISHII, Akira YAMADA, Satoru YAMAGISHI, Tomoya NAKATA, Kayo SUZUKI
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Publication number: 20180266683Abstract: A flame detection adjusting portion adjusts a preset reference threshold value based on a sensor output indicating disturbance light obtained from a flame sensor before an ignition attempt in combustion equipment and outputs an obtained adjusted threshold value, and a combustion flame detecting portion detects a presence or an absence of a combustion flame in the combustion equipment based on the sensor output obtained from the flame sensor during combustion in the combustion equipment and an adjusted threshold value.Type: ApplicationFiled: March 15, 2018Publication date: September 20, 2018Applicant: Azbil CorporationInventors: Takeshi NISHIYAMA, Yuichi KUMAZAWA, Shigeki ISHII, Akira YAMADA, Satoru YAMAGISHI, Tomoya NAKATA, Kayo SUZUKI
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Publication number: 20170284740Abstract: Point values for each element that exert thermal stress on a high-temperature furnace are integrated with an operation time of the high-temperature furnace as an integration period, in which the point values are obtained by converting actual values of a thermal stress of each of elements into a reference thermal stress (reference value of the thermal stress received by the high-temperature furnace per the unit time). A point value obtained by converting a limit value of the thermal stress with which the high-temperature furnace can normally operate into the reference thermal stress is set as a lifetime thermal stress, the point value integrated with the operation time of the high-temperature furnace as the integration period is set as an accumulated thermal stress, and a remaining lifetime of the high-temperature furnace equipment is predicted from the result of subtracting the accumulated thermal stress from the lifetime thermal stress.Type: ApplicationFiled: March 30, 2017Publication date: October 5, 2017Applicant: Azbil CorporationInventors: Shigeki ISHII, Yuichi KUMAZAWA, Satoshi KADOYA, Katsumi MORIKAWA
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Publication number: 20170276352Abstract: A first reset switch is attached to a combustion controlling device. A second reset switch is installed at a remote place distant from the combustion controlling device. A first reset input from the first reset switch is received without any restriction to release the lockout. A reset input from the second reset switch is received with any restriction to release the lockout. Specifically, when the lockout releases are performed for a predetermined number of times or more upon receiving the reset input before a predetermined time elapses after the lockout has been released upon receiving the initial reset input, the release of the lockout upon receiving the reset input is prohibited until the predetermined time elapses.Type: ApplicationFiled: March 27, 2017Publication date: September 28, 2017Applicant: Azbil CorporationInventors: Kayo SUZUKI, Takeshi NISHIYAMA, Shigeki ISHII
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Patent number: 9453778Abstract: A valve leak detecting method includes a pressure setting step before closing valves individually to set a pressure in a pipe, a first threshold value evaluating step for closing the valves after the pressure has been set to no less than the threshold value, and evaluating whether the pressure, after a specific time interval has elapsed, is at least threshold value, a second valve normalcy evaluating step for evaluating that one of the valves is operating properly or faultily if the pressure is at least or less than the threshold value, respectively, a second threshold value evaluating step for closing the valves and evaluating whether the pressure is less than the threshold value after a specific time interval has elapsed, and a first valve normalcy evaluating step for evaluating whether the valve is operating properly or faultily depending on the pressure being less or no less than the threshold value.Type: GrantFiled: November 27, 2013Date of Patent: September 27, 2016Assignee: AZBIL CORPORATIONInventors: Shigeki Ishii, Satoru Yamagishi, Yuuichi Kumazawa