Patents by Inventor Nobuaki Tanaka
Nobuaki Tanaka 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: 11235317Abstract: A collection pipette that collects a microscopic object includes a first tube part, a second tube part connected to an end of the first tube part, and a third tube part connected to the other end of the first tube part. The longitudinal direction of the third tube part intersects with the longitudinal direction of the first tube part, and is parallel to the longitudinal direction of the second tube part. For example, the length in the longitudinal direction of the third tube part is shorter than the length in the longitudinal direction of the first tube part.Type: GrantFiled: February 5, 2018Date of Patent: February 1, 2022Assignee: NSK LTD.Inventors: Nobuaki Tanaka, Sumio Sugita, Richard House
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Patent number: 11212608Abstract: A microphone array (3) having microphones (2) observing sound and a noise elimination processing unit (5) obtaining a sound of interest by eliminating noise from the observed sound signal are provided. The two microphones (2) which are adjacent to each other from among the plurality of microphones (2) have a positional relationship in such a manner that, in a plane (12) including the two microphones (2), a sound-of-interest source (A) generating a sound of interest, and a noise source (B) generating noise, the perpendicular bisector (13) of a first line segment (10) connecting the two microphones (2) coincides with the bisector of the angle ? between a second line segment (14) connecting the sound-of-interest source (A) and the midpoint (11) of the first line segment (10) and a third line segment (15) connecting the noise source (B) and the midpoint (11) of the first line segment (10).Type: GrantFiled: August 10, 2017Date of Patent: December 28, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Nobuaki Tanaka
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Publication number: 20210354234Abstract: A processing state detecting device for detecting a processing state of a workpiece processed by laser processing includes: a sound collecting unit that measures sound while the workpiece is being processed by laser processing; an installation position evaluating unit that determines whether an installation position of the sound collecting unit needs to be changed, on the basis of the sound measured by the sound collecting unit; and an evaluation result informing unit that provides information on a result of evaluation of the installation position evaluating unit.Type: ApplicationFiled: January 21, 2019Publication date: November 18, 2021Applicant: Mitsubishi Electric CorporationInventors: Nobuaki TANAKA, Teruaki FUKUOKA
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Publication number: 20210322650Abstract: A cylindrical body for an implant is capable of maintaining a high patency rate by achieving a good antithrombogenicity, a low swelling property and a low Young's modulus. A cylindrical body for an implant includes: a cylindrical substrate having an elongation rate in the longitudinal direction, as measured under a tensile load of 20 N, of from 5 to 100%; and a block copolymer composed of a polyalkylene glycol block(s) and a polyhydroxyalkanoic acid block(s); wherein the ratio of the mass of the polyalkylene glycol with respect to the total mass of the block copolymer is 5 to 25%; and a film composed of the block copolymer has a Young's modulus of 200 MPa or less.Type: ApplicationFiled: August 30, 2019Publication date: October 21, 2021Inventors: Taisuke Kogawa, Masaki Fujita, Kazuhiro Tanahashi, Satoshi Yamada, Nobuaki Tanaka, Hiroshi Tsuchikura
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Publication number: 20210291288Abstract: This welding control device which controls a welding condition when arc welding is performed on a groove having a root gap, comprises: a first detection means for detecting, from a captured image of a fused section formed in the groove, the position of the tip of the fused section with respect to a direction in which the welding progresses; a second detection means for detecting the position of an end of a to-be-welded object for defining the root gap; a determination means for determining the relationship between the position of the end and the position of the tip of the fused section; and a control means for controlling the welding condition according to the determination result.Type: ApplicationFiled: August 7, 2019Publication date: September 23, 2021Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Nobuaki TANAKA, Akira OKAMOTO
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Publication number: 20210237268Abstract: Provided are a manipulation system and a driving method of the manipulation system capable of performing manipulation efficiently and suitably while suppressing damage to a minute object at the time of manipulation regardless of the degree of skill and technique of an operator. A sample stage configured such that a minute object is placed thereon, a first manipulator including a first pipette for holding the minute object, a second manipulator including a second pipette for operating the minute object that is held on the first pipette, an imaging unit for imaging the minute object, and a controller that controls the sample stage, the first pipette, the second pipette, and the imaging unit are provided.Type: ApplicationFiled: May 27, 2019Publication date: August 5, 2021Applicant: NSK LTD.Inventors: Hiroki UEDA, Manabu KISHIDA, Nobuaki TANAKA
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Publication number: 20210238774Abstract: Provided is a tubular fabric that has a homogeneous structure along its outer circumference and excellent shape-stability and that is useful as hoses for transferring a fluid or powder or for protecting linear materials such as a wire, a cable, and a conduit, tubular filters, and medical base materials such as an artificial blood vessel. The tubular fabric includes a wall part that is woven by interlacing a warp yarn and a weft yarn and that has a double weave structure, a weft yarn in an outer layer and a weft yarn in an inner layer being not intersected with each other. The tubular fabric preferably has a circularity c of 0.8 or more and 1.2 or less, the circularity c being represented by the following equation of an outer diameter b perpendicular to an outer diameter a with respect to the outer diameter a, the outer diameter a being obtained by measuring a location corresponding to a fabric width A in weaving of the tubular fabric.Type: ApplicationFiled: April 12, 2019Publication date: August 5, 2021Applicant: Toray Industries, Inc.Inventors: Nobuaki Tanaka, Satoshi Yamada
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Publication number: 20210162544Abstract: A laser processing apparatus includes a laser oscillator; a processing head; a driver that controls a relative positional relationship between a workpiece and the processing head; control circuitry that controls the laser oscillator and the driver in order for the laser beam to scan a processing path on the workpiece; detection circuitry that observes a state of the workpiece being processed and outputs a result of observation as a time series signal; processed state observation circuitry that obtains evaluation information including a determination result that indicates whether a processed state of the workpiece is satisfactory or defective by evaluating the processed state of the workpiece on the basis of the time series signal for each of a plurality of sections obtained by dividing the processing path; and estimation circuitry that estimates a cause of a defect on the basis of the evaluation information of two or more of the sections.Type: ApplicationFiled: April 26, 2019Publication date: June 3, 2021Applicant: Mitsubishi Electric CorporationInventors: Kenta FUJII, Motoaki NISHIWAKI, Nobuaki TANAKA, Masaki SEGUCHI, Kyohei ISHIKAWA
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Publication number: 20210168490Abstract: A microphone array (3) having microphones (2) observing sound and a noise elimination processing unit (5) obtaining a sound of interest by eliminating noise from the observed sound signal are provided. The two microphones (2) which are adjacent to each other from among the plurality of microphones (2) have a positional relationship in such a manner that, in a plane (12) including the two microphones (2), a sound-of-interest source (A) generating a sound of interest, and a noise source (B) generating noise, the perpendicular bisector (13) of a first line segment (10) connecting the two microphones (2) coincides with the bisector of the angle ? between a second line segment (14) connecting the sound-of-interest source (A) and the midpoint (11) of the first line segment (10) and a third line segment (15) connecting the noise source (B) and the midpoint (11) of the first line segment (10).Type: ApplicationFiled: August 10, 2017Publication date: June 3, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Nobuaki TANAKA
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Patent number: 10975895Abstract: A piston structure body includes: a piston that includes a through hole, an inner circumferential portion, and an outer circumferential portion, the through hole being a hole that is formed to penetrate the piston axially through a center of a first face that is an end face on one end side in an axial direction, the inner circumferential portion defining the through hole and connected to the first face, the outer circumferential portion disposed to surround the inner circumferential portion and connected to the first face; and a piston rod that is inserted through the through hole. A first end face that is an end face of the inner circumferential portion on a back face side of the first face is positioned more closely to the first face than a second end face that is an end face of the outer circumferential portion on the back face side.Type: GrantFiled: September 13, 2019Date of Patent: April 13, 2021Assignee: Showa CorporationInventors: Hayato Tsutsui, Nobuaki Tanaka
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Publication number: 20210098014Abstract: It is provided with: a target sound vector selecting unit for selecting, from steering vectors acquired in advance and indicating arrival directions of sound with respect to a microphone array including two or more acoustic sensors, a target sound steering vector indicating an arrival direction of target sound; an interference sound vector selecting unit for selecting, from the steering vectors acquired in advance, an interference sound steering vector indicating an arrival direction of interference sound other than the target sound; and a signal processing unit for acquiring, on the basis of two or more observation signals obtained from the microphone array, the target sound steering vector, and the interference sound steering vector, a signal obtained by eliminating the interference sound from the observation signals.Type: ApplicationFiled: September 7, 2017Publication date: April 1, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Nobuaki TANAKA
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Publication number: 20210081438Abstract: An information processing device (100) includes a memory and processing circuitry. The memory stores a data set (DG) including multiple items of digital data (DD) and a label set (RG) including multiple labels. Each of the multiple labels are added to each of the multiple items of digital data (DD). The processing circuitry generates a feature vector set (BG) by extracting a predetermined feature from each of the multiple items of digital data (DD) and generating feature vectors indicating the extracted features. The feature vector set includes the feature vectors. The processing circuitry determines homogeneity of the data set (DG) by performing a trial of supervised clustering on the feature vector set (BG) by using the label set (RG) and determining the possibility of the clustering.Type: ApplicationFiled: November 24, 2020Publication date: March 18, 2021Applicant: Mitsubishi Electric CorporationInventor: Nobuaki TANAKA
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Patent number: 10939198Abstract: A noise eliminating device including: an acoustic sensor array including a first acoustic sensor at a vertex forming a vertex angle of an isosceles triangle, and second and third acoustic sensors at the other vertexes of the isosceles triangle, the first sensor being arranged on a bisector between two boundaries between a direction range in which a target sound source can exist and a direction range in which a noise source can exist; and the second and third sensors being arranged so that the boundaries coincide with a direction of a perpendicular bisector of a line segment connecting the first and second sensors, and a direction of a perpendicular bisector of a line segment connecting the first and third sensors; and a processor to use signals output from the sensors to output a signal obtained by enhancing sound from the target sound source and eliminating noise from the noise source.Type: GrantFiled: July 21, 2016Date of Patent: March 2, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Nobuaki Tanaka
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Publication number: 20210038364Abstract: There is provided a plain-weave fabric excellent in low air permeability and waterproofness. Further, there is provided a stent graft excellent in low water permeability mechanical properties and catheter storage capacity, including the plain-weave fabric as a graft substrate. A plain-weave fabric woven by interlacing weaving yarns in warp and weft, in which weaving yarns YA and YB arranged in the same direction have different crimp ratios A and B, respectively, a relationship thereof satisfies Formula 1, and the crimp ratio B is 4% or more, and the plain-weave fabric is preferably used for a stent graft; A?B×1.2.Type: ApplicationFiled: January 15, 2019Publication date: February 11, 2021Applicant: Toray Industries, Inc.Inventors: Nobuaki Tanaka, Hiroshi Tsuchikura, So Kakiyama, Kazuhiro Tanahashi
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Publication number: 20210007838Abstract: A tubular woven fabric is useful as a transport hose for a fluid or a powder, as a protective hose for linear bodies such as wires, cables and conduits, as a tubular filter, or as a base material of a vascular prosthesis. The tubular woven fabric includes warp yarns and weft yarns interwoven with each other, the tubular woven fabric having an outer diameter with a variation of within 10% along the warp direction and satisfying the formula: (L2?L1)/L1?0.1.Type: ApplicationFiled: September 29, 2017Publication date: January 14, 2021Inventors: Nobuaki Tanaka, Hiroshi Tsuchikura, Satoshi Yamada, Yuichi Koyamatsu, Taisuke Kogawa, Yuka Sakaguchi, Kazuhiro Tanahashi
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Publication number: 20200398474Abstract: A twin-screw extruder is provided in which screws have different rotational speeds depending on the process of treating the raw material and in which degradation of the raw material is less likely to occur. Twin-screw extruder 1 has two screws 3, 5 that extend in parallel to each other. Each screw 3, 5 has cylindrical upstream screw 31 and downstream screw 35, wherein upstream screw 31 has shaft hole 315 that extends in longitudinal direction X and screw flight 316 on an outer circumferential surface thereof, and downstream screw 35 includes large diameter portion 353 having screw flight 357 on an outer circumferential surface thereof and small diameter shaft portion 351 that has a smaller diameter than large diameter portion 353, wherein small diameter shaft portion 351 of downstream screw 35 is inserted into shaft hole 315 of upstream screw 31. Upstream screw 31 and downstream screw 35 can be independently rotated.Type: ApplicationFiled: February 13, 2019Publication date: December 24, 2020Applicants: The Japan Steel Works, Ltd., Tokyo Printing Ink Mfg. Co., Ltd.Inventors: Kazutoshi IZUMIYA, Katsumi SUMIDA, Yoshitaka KIMURA, Masashi TANIMOTO, Hiroyuki OKUMA, Katsuyuki KANEKO, Shizuo UESHIGE, Nobuaki TANAKA, Takahiro NAKAMARU
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Publication number: 20200318261Abstract: It is an object to provide a woven fabric which can stably form a folding shape superior in shape retention and followability and which can be sewn while maintaining the folding structure, and also to provide a method for manufacturing the same. There is provided a woven fabric having pleats, wherein the height of the pleats is 2 to 10 times the average diameter of yarns arranged in the same direction as the pleats.Type: ApplicationFiled: November 8, 2018Publication date: October 8, 2020Applicant: Toray Industries, Inc.Inventors: Satoshi Yamada, Nobuaki Tanaka, Hiroshi Tsuchikura
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Publication number: 20200283111Abstract: A piston structure body includes: a piston that includes a through hole, an inner circumferential portion, and an outer circumferential portion, the through hole being a hole that is formed to penetrate the piston axially through a center of a first face that is an end face on one end side in an axial direction, the inner circumferential portion defining the through hole and connected to the first face, the outer circumferential portion disposed to surround the inner circumferential portion and connected to the first face; and a piston rod that is inserted through the through hole. A first end face that is an end face of the inner circumferential portion on a back face side of the first face is positioned more closely to the first face than a second end face that is an end face of the outer circumferential portion on the back face side.Type: ApplicationFiled: September 13, 2019Publication date: September 10, 2020Applicant: Showa CorporationInventors: Hayato TSUTSUI, Nobuaki TANAKA
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Publication number: 20200245064Abstract: A microphone array includes first and second microphones (Ma, Mb) placed on a first axis (f), a third microphone (Mc) placed on a plane (fg) formed by the first axis and a second axis (g) and at a position other than on the first axis, and a fourth microphone (Md) placed on a third axis (h), and at a position other than on the plane formed by the first and the second axes, and a processing circuit generates signals (Cx, Cy, Cz) having bidirectionality in first, second and third mutually perpendicular directions (x, y, z), and an omnidirectional signal (Cw), based on signals (Ba to Bd) obtained by sound collection by means of the first to fourth microphones. It is possible to generate signals having bidirectionality in mutually perpendicular directions, and an omnidirectional signal, without using special microphones, and without excessive restrictions with regard to the placement of the microphones.Type: ApplicationFiled: November 15, 2017Publication date: July 30, 2020Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tomoharu AWANO, Masaru KIMURA, Satoru FURUTA, Jin HIRANO, Atsuyoshi YANO, Nobuaki TANAKA
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Publication number: 20200049364Abstract: A degradation diagnosis device that diagnoses whether or not a compressor is abnormal includes a current detector configured to detect electric current and output electric-current information being information of a power current supplied to the compressor; a vibration detector configured to detect vibration of the compressor and output vibration information being information of the vibration of the compressor every set measurement period; an arithmetic unit connected with the current detector and the vibration detector and configured to diagnose whether or not the compressor is abnormal using the electric-current information inputted by the current detector and the vibration information inputted by the vibration detector; and a notification unit configured to give notification about a result of diagnosis as to whether or not the compressor is abnormal.Type: ApplicationFiled: April 26, 2017Publication date: February 13, 2020Inventors: Takaharu NAKAMURA, Nobuaki TANAKA