Patents by Inventor Hitoshi Saito
Hitoshi Saito 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: 11977363Abstract: A machine tool and a control device therefor, wherein vibration cutting of a workpiece is carried out by means of a tool and wherein, after the vibration cutting, finish-cutting is carried out for cutting a finishing allowance of the workpiece by means of the tool, without relative vibration between the workpiece and the tool, by relatively rotating the workpiece and the tool and relatively moving them in the feed direction. According to the invention, before the vibration cutting, a finishing allowance calculation means calculates a finishing allowance remaining on the workpiece after vibration cutting has been completed, and a determination means determines whether or not the finishing allowance as calculated by the finishing allowance calculation means is less than, or equal to a predetermined threshold value.Type: GrantFiled: October 24, 2019Date of Patent: May 7, 2024Assignee: CITIZEN WATCH CO., LTD.Inventors: Kenji Noguchi, Hitoshi Saito
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Patent number: 11957300Abstract: An information processing apparatus (2000) detects an abnormal region (30) from a moving image frame (14). The abnormal region (30) is a region that is estimated to represent an abnormal part inside a body of a subject. The information processing apparatus (2000) generates and outputs output information based on the number of detected abnormal regions (30).Type: GrantFiled: September 6, 2019Date of Patent: April 16, 2024Assignees: NEC CORPORATION, NATIONAL CANCER CENTERInventors: Ikuma Takahashi, Maki Sano, Kimiyasu Takoh, Motoyasu Okutsu, Chiemi Tanaka, Masahiro Saikou, Hitoshi Imaoka, Kenichi Kamijo, Ryuji Hamamoto, Yutaka Saito, Masayoshi Yamada
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Patent number: 11959000Abstract: Provided are a photon up-conversion film, which is capable, of high-efficiency up-conversion even in air and even when low-intensity light is used, and a simple method of producing the film. The photon up-conversion film according to one embodiment of the present invention includes: a matrix including a resin; and a pore portion, wherein the photon up-conversion film includes at least a sensitizing component capable of absorbing light in a first wavelength region ?1, and a light-emitting component capable of radiating light in a second wavelength region ?2 including wavelengths shorter than those of the first wavelength region ?1, and wherein the sensitizing component and the light-emitting component are present at an interface between the matrix and the pore portion.Type: GrantFiled: June 15, 2022Date of Patent: April 16, 2024Assignees: WAKAYAMA PREFECTURE, NITTO DENKO CORPORATIONInventors: Takeshi Mori, Tomohiro Mori, Akane Saito, Tsuyoshi Masuda, Hitoshi Saomoto, Mami Kawaguchi, Minoru Miyatake, Shoichi Matsuda, Masato Katsuda
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Publication number: 20240114225Abstract: An inspection apparatus of an embodiment includes a rotor image-pickup unit for picking up an image of a rotor using a rotor image-pickup device in the air gap between the rotor and a stator. The rotor image-pickup device includes: a carriage casing; a camera; an image-pickup position changing part; and an image-pickup direction changing part. The camera is installed in the carriage casing, and picks up an image of a ventilation hole of the rotor in the air gap. The image-pickup position changing part is installed in the carriage casing, and changes an image-pickup position of the camera by moving the carriage casing in a circumferential direction of the rotor in the air gap. The image-pickup direction changing part is installed in the carriage casing, and changes an image-pickup direction of the camera to an inclined angle to a radial direction of the rotor in the air gap.Type: ApplicationFiled: July 24, 2023Publication date: April 4, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Mitsunori YUMINAMOCHI, Akihiro MATSUZAKI, Masaoki SAITO, Hitoshi KATAYAMA, Fumio SATO, Dai NOZAKI
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Patent number: 11939955Abstract: A condition monitoring system includes a monitoring terminal, an acceleration sensor, and a data processor. The data processor calculates a diagnostic parameter from data measured by the acceleration sensor, determines a degree of damage to a bearing or a gear included in a wind turbine generator based on the diagnostic parameter, and controls the monitoring terminal to show information indicating a degree of suppression of electric power generated by the wind turbine generator in accordance with the degree of damage to the bearing or the gear.Type: GrantFiled: March 6, 2020Date of Patent: March 26, 2024Assignee: NTN CORPORATIONInventors: Hitoshi Saito, Takashi Haseba
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Patent number: 11926931Abstract: A resin powder for solid freeform fabrication includes a particle having a pillar-like form, wherein the ratio of the height of the particle to the diameter or the long side of the bottom of the particle is 0.5 to 2.0, the particle has a 50 percent cumulative volume particle diameter of from 5 to 200 ?m, and the ratio (Mv/Mn) of the volume average particle diameter (Mv) to the number average particle diameter (Mn) of the particle is 2.00 or less.Type: GrantFiled: June 14, 2021Date of Patent: March 12, 2024Assignee: Ricoh Company, Ltd.Inventors: Akira Saito, Shigenori Yaguchi, Yasuyuki Yamashita, Kiichi Kamoda, Yasuo Suzuki, Nozomu Tamoto, Hitoshi Iwatsuki, Shinzo Higuchi, Sohichiroh Iida
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Patent number: 11928881Abstract: A detection device includes a sensor unit, a detector configured to receive an output from a sensor, a detection controller configured to drive and control the sensor unit and the detector, and a processor configured to perform processing in accordance with an output from the detector. The detection controller drives the sensor unit and the detector and determines a touch detection duration in which a coordinate of a finger contacting or nearby the sensor unit is detected, and a fingerprint detection duration in which a fingerprint image of the finger is detected.Type: GrantFiled: January 25, 2023Date of Patent: March 12, 2024Assignee: Japan Display Inc.Inventor: Hitoshi Saito
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Patent number: 11850674Abstract: Provided is a spot welding method by which welding can be performed successfully while inhibiting occurrence of expulsion. First to third metal plates W1 to W3 were welded in which a ratio of a total thickness to a thickness of the first metal plate W1 is 7. In Example 1, a peak current value A1 is 14.6 kA, an effective current value A2 is 7.8 kA, a peak duration T1 is 0.1 ms, and a no-peak duration T2 is 5.9 ms. As a result, a lower limit current value A3 is 6.9 kA, an upper limit current value A4 is 8.42 kA, a difference A5 between A4 and A3 is 1.52 kA, T2/T1 is 59.0, A2/A1 is 0.53, and rising time T3/falling time T4 is 0.53, furthermore, no expulsion occurs, and a welding result was determined to be OK.Type: GrantFiled: March 23, 2018Date of Patent: December 26, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Shinya Watanabe, Hitoshi Saito, Xihao Tan, Shinyu Hirayama
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Publication number: 20230384597Abstract: A head-up display includes: display panels, and a light guide configured to direct light from the display panels such that projection positions of images from display regions of the display panels join on the projection target. At least one of time division control and multiple display control is applied to the display panels. The time division control is operation control of the display panels such that the display panels project images at different timings. The multiple display control is operation control of the display panels in which partial regions are set in each display region such that the number of the partial regions corresponds to the number of the display panels, an image is output in one of the partial regions in the display region of each display panel such that the positions of the images projected by the display panels on the projection target differ from one another.Type: ApplicationFiled: August 14, 2023Publication date: November 30, 2023Inventors: Masashi TAKAHATA, Hitoshi SAITO
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Patent number: 11815799Abstract: Provided are an information processing apparatus and an information processing method, an imaging apparatus, a mobile device, and a computer program that performs processing for controlling exposure of an in-vehicle camera. The information processing apparatus includes: a recognition unit that recognizes an image after an output signal of an image sensor is processed by a processing unit; and a control unit that controls at least one of imaging operation of the image sensor or processing operation in the processing unit on the basis of a recognition result of the recognition unit. The image sensor is mounted on a vehicle and used, and the recognition unit image-recognizes at least a surrounding vehicle or a road surface. Then, the control unit controls detection or development processing of the region of the surrounding vehicle or the road surface in the image.Type: GrantFiled: July 31, 2019Date of Patent: November 14, 2023Assignee: Sony Semiconductor Solutions CorporationInventors: Hitoshi Saito, Yoshimitsu Takagi, Toshiki Ono, Masafumi Zama
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Publication number: 20230311236Abstract: A spot welding method using a welding apparatus includes supplying a pulse-shaped welding current to a workpiece, the pulse-shaped welding current being generated when a welding power circuit alternately repeats power distribution control and a power distribution pause over a plurality of cycles, and maintaining, under the power distribution control, the welding current within a set peak current range in a peak holding section. A spatter detection method includes: a step of acquiring an average value of voltage detection values Vpv detected by a voltage sensor in the peak holding section for each of the cycles; and a step of determining whether or not the spatter occurs, based on a difference value between an average value of the voltage detection values Vpv in the peak holding section for an N-th cycle and an average value of the voltage detection values Vpv in the peak holding section for an (N?1)-th cycle.Type: ApplicationFiled: March 9, 2023Publication date: October 5, 2023Inventors: Xihao TAN, Hitoshi SAITO, Shinya WATANABE
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Publication number: 20230311234Abstract: A spot welding method includes supplying a welding current having a pulse-shaped waveform to a workpiece by alternately executing a step of maintaining the welding current within a set peak current range and a step of decreasing the welding current from the peak current range toward a bottom current and then increasing the welding current toward the peak current range when an effective value of the welding current reaches a set target range for a plurality of cycles. The spatter detection method includes measuring a pulse width IW(1), IW(2), . . . in each cycle of the pulse-shaped waveform and detecting the occurrence of spatter when a pulse width difference D(M)=IW(M)?IW(M?1) between a pulse width IW(M) in a target cycle (M-th cycle) and a pulse width IW(M?1) in a cycle immediately before the target cycle exceeds a width threshold value Dth.Type: ApplicationFiled: March 9, 2023Publication date: October 5, 2023Inventors: Hiroki TOYODA, Xihao TAN, Hitoshi SAITO, Shinya WATANABE
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Publication number: 20230108338Abstract: An optical fiber ribbon manufacturing device comprising: a tape die 20 for coating a plurality of single-core coated optical fibers 2 with a photocurable resin; a split die 30 for forming a split portion in the photocurable resin present between the single-core coated optical fibers; and a light irradiation device 40 for irradiating the photocurable resin with light to cure the photocurable resin, wherein both the tape die 20 and the split die 30 are temperature-controlled or only the split die 30 is temperature-controlled, a temperature of the tape die 20 is higher than a temperature of the split die 20, and the temperature of the split die 20 is lower than the temperature of the tape die 30.Type: ApplicationFiled: November 29, 2022Publication date: April 6, 2023Inventors: Kengo TANABE, Hitoshi SAITO, Takeshiro NAGAI
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Publication number: 20230092470Abstract: An oil supply structure of a clutch device includes a pressure plate facing a clutch center fixed to a shaft member on an inner side of a clutch outer relatively rotatable with respect to the shaft member, a clutch plate alternately fitted and inserted between the pressure plate and the clutch center, a clutch spring that biases the pressure plate toward the clutch center side, and a clutch lifter member provided to be relatively rotatable with respect to the pressure plate and including an insertion portion inserted into the shaft member, where a supply oil passage in which an opening area changes due to axial movement of the clutch lifter member accompanying switching of clutch connection/disconnection is formed in the clutch lifter member 60. The oil supply structure enables the supply of oil to the clutch device to be adjusted only according to the clutch operation.Type: ApplicationFiled: September 12, 2022Publication date: March 23, 2023Inventors: Hitoshi SAITO, Koichi TANIGUCHI
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Publication number: 20230011192Abstract: A detection device includes an annular substrate, optical sensors annularly arranged along the substrate, and a plurality of light sources annularly arranged correspondingly to the arrangement of the optical sensors.Type: ApplicationFiled: June 30, 2022Publication date: January 12, 2023Inventor: Hitoshi SAITO
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Publication number: 20220324151Abstract: There is disclosed a production device for a loose tube-type optical cable in which an optical fiber bundle is housed in a tube. The production device includes: a resin extruder configured to extrude and coat a resin onto the optical fiber bundle; and a water tank configured to store cooling water for cooling the resin to form the tube, wherein: the resin extruder includes: an extruder die having an extrusion port for the resin; a pipe penetrating the extruder die; and an air pump mechanism configured to pump air to the pipe; and the water tank includes: a sizing die having an inlet, a passage port, and a suction port for the cooling water; and a cooling water suction mechanism configured to suck the cooling water from the sizing die.Type: ApplicationFiled: June 24, 2022Publication date: October 13, 2022Inventors: Kengo TANABE, Junya HASUNUMA, Yuki OTA, Hitoshi SAITO
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Publication number: 20220288718Abstract: Provided is a spot welding method capable of reliably welding a metal sheet laminate while suppressing occurrence of expulsion. In the spot welding method, a pulse current is applied in a first current application step and a second current application step by a DC chopping control method. In the DC chopping control method, a pulse waveform of the pulse current is generated by switching between current application and current application stop to a pair of electrodes 12 and 22 by a current switch 28, a peak current value of the pulse current in the first current application step is set to a value A1 equal to that of the pulse current in the second current application step, and a power of the pulse current in the first current application step is set to a value larger than that of the pulse current in the second current application step.Type: ApplicationFiled: April 13, 2020Publication date: September 15, 2022Inventors: Shinya Watanabe, Hitoshi Saito, Xihao Tan
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Publication number: 20220170446Abstract: A condition monitoring system includes a monitoring terminal, an acceleration sensor, and a data processor. The data processor calculates a diagnostic parameter from data measured by the acceleration sensor, determines a degree of damage to a bearing or a gear included in a wind turbine generator based on the diagnostic parameter, and controls the monitoring terminal to show information indicating a degree of suppression of electric power generated by the wind turbine generator in accordance with the degree of damage to the bearing or the gear.Type: ApplicationFiled: March 6, 2020Publication date: June 2, 2022Inventors: Hitoshi Saito, Takashi HASEBA
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Publication number: 20220097164Abstract: Provided is a spot welding method by which welding can be successfully performed while inhibiting occurrence of expulsion. First to third metal plates W1 to W3 were welded in which ratio of total thickness to thickness of the first metal plate W1 is 7. In Example 1, peak current value A1 is 14.6 kA, effective current value A2 is 7.8 kA, peak duration T1 is 0 ms, and no-peak duration T2 is 5.9 ms. As a result, in Example 1, lower limit current value A3 is 6.9 kA, upper limit current value A4 is 8.42 kA, difference A5 between upper limit current value A4 and lower limit current value A3 is 1.52 kA, peak duration T1/no-peak duration T2 is 0, effective current value A2/peak current value A1 is 0.53, and rising time T3/falling time T4 is 0.79, furthermore, no expulsion occurs, and welding result was determined to be OK.Type: ApplicationFiled: August 29, 2019Publication date: March 31, 2022Inventors: Shinya Watanabe, Hitoshi Saito, Xihao Tan
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Publication number: 20210389747Abstract: A machine tool and a control device therefor, wherein vibration cutting of a workpiece is carried out by means of a tool and wherein, after the vibration cutting, finish-cutting is carried out for cutting a finishing allowance of the workpiece by means of the tool, without relative vibration between the workpiece and the tool, by relatively rotating the workpiece and the tool and relatively moving them in the feed direction. According to the invention, before the vibration cutting, a finishing allowance calculation means calculates a finishing allowance remaining on the workpiece after vibration cutting has been completed, and a determination means determines whether or not the finishing allowance as calculated by the finishing allowance calculation means is less than, or equal to a predetermined threshold value.Type: ApplicationFiled: October 24, 2019Publication date: December 16, 2021Applicant: CITIZEN WATCH CO., LTD.Inventors: Kenji NOGUCHI, Hitoshi SAITO