Patents by Inventor Takuya Sasaki
Takuya Sasaki 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: 10307885Abstract: A method for raising a polishing pad for polishing a silicon wafer, wherein a polishing pad made of foamed urethane resin is attached to a polishing machine, after dressing is performed, dummy polishing is performed, after processing to remove the polishing residues that have built up in the polishing pad by the dummy polishing is then performed, an amount of polishing residues in the polishing pad is measured, and a rise of the polishing pad subjected to the dummy polishing is judged based on the measured amount of polishing residues. As a result, a method for raising a polishing pad can improve the particle level in the polishing pad life early stage.Type: GrantFiled: January 5, 2016Date of Patent: June 4, 2019Assignee: SHIN-ETSU HANDOTAI CO., LTD.Inventors: Takuya Sasaki, Yuki Tanaka
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Patent number: 10292685Abstract: An ultrasonic diagnostic apparatus according to an embodiment acquires a tomogram of a subject and displays the tomogram, based on a reception signal which is obtained by transmitting/receiving ultrasonic waves to/from the subject. The apparatus comprises maximum value memory circuitry, select circuitry, and an ultrasonic output controller. The maximum value memory circuitry stores a maximum value of an index value relating to an ultrasonic output, with respect to each of scan regions of the subject. The ultrasonic output controller acquires, from the maximum value memory circuitry, the maximum value of the index value corresponding to the scan region selected by the select circuitry, and controls the ultrasonic output such that the ultrasonic output does not exceed the maximum value of the index value.Type: GrantFiled: December 1, 2015Date of Patent: May 21, 2019Assignee: Toshiba Medical Systems CorporationInventors: Mio Azegami, Chihiro Shibata, Takuya Sasaki, Shigemitsu Nakaya, Masao Takimoto
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Publication number: 20190001143Abstract: An object is to provide a defibrillation catheter that is insertable along a guide wire into a target site in the inside of a cardiac cavity and that can assuredly prevent a short circuit between a first lead wire group and a second lead wire group. The defibrillation catheter of the present invention comprises a multi-lumen tube 10, a first DC electrode group 31G, a second DC electrode group 32G, a first lead wire group 41G made up of lead wires 41 connected to each of constituent electrodes 31 of the first DC electrode group 31G, and a second lead wire group 42G made up of lead wires 42 connected to each of constituent electrodes 32 of the second DC electrode group 32G; and applies voltages between the first DC electrode group 31G and the second DC electrode group 32G. The multi-lumen tube 10 has a center lumen 10L through which the guide wire is insertable, and a sub-lumen 11L and a sub-lumen 12L disposed so as to face each other with the center lumen 10L interposed therebetween.Type: ApplicationFiled: August 22, 2018Publication date: January 3, 2019Inventor: Takuya Sasaki
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Publication number: 20180360333Abstract: An object is to provide an electrode catheter excellent in terms of torque transmission compared with a hitherto publicly known electrode catheter. An electrode catheter of the present invention comprises a catheter shaft 10; ring-shaped electrodes 201 to 210; and leads 301 to 310 of the ring-shaped electrodes 201 to 210, in which the catheter shaft 10 is constituted by an inside tube 11 that has a guide-wire lumen 11L and an outside tube 13 that forms a lumen 12L into which the leads 301 to 310 are inserted, the outside tube 13 being configured by a braided tube reinforced by a braid 135 made of a resin throughout the entire length thereof; in which side holes 15 are formed in the tube wall of the outside tube 13 at the distal end part 101 of the catheter shaft 10 in correspondence to the attachment positions of the ring-shaped electrodes 201 to 210; and in which the leads 301 to 310 enter the lumen 12L through the side holes 15 and extend in said lumen 12L.Type: ApplicationFiled: August 22, 2018Publication date: December 20, 2018Inventors: Takuya Masuda, Takuya Sasaki
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Patent number: 10157639Abstract: A medical image diagnosis apparatus including an image collection system that collects first dynamic images extending over a first period and a display control circuit that uses the first dynamic images and time information related to an image corresponding to a first predetermined time phase in the first period to simultaneously display the first dynamic images, the first predetermined time phase, and a relationship of the image currently displayed with a time phase in the first period at least in a predetermined period going back from the predetermined time phase in a monitor.Type: GrantFiled: August 15, 2016Date of Patent: December 18, 2018Assignee: Toshiba Medical Systems CorporationInventors: Takuya Sasaki, Kuramitsu Nishihara, Mio Azegami
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Publication number: 20180264618Abstract: A method for conditioning a polishing pad, which is configured to polish a wafer and attached to a rotatable discoid turntable, by using a conditioning head, the method being characterized by: moving the conditioning head in a radial direction of the turntable to perform the conditioning while rotating the polishing pad attached to the turntable by rotation of the turntable; and controlling a rotational speed of the turntable and a moving speed of the conditioning head in the radial direction of the turntable in correspondence with a distance of the conditioning head from a center of the turntable. Consequently, the method for conditioning a polishing pad which enables appropriately conditioning an entire polishing surface of the polishing pad can be provided.Type: ApplicationFiled: August 31, 2016Publication date: September 20, 2018Applicant: SHIN-ETSU HANDOTAI CO., LTD.Inventors: Taichi YASUDA, Masanao SASAKI, Tatsuo ENOMOTO, Takuya SASAKI, Kazumasa ASAI
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Publication number: 20180257851Abstract: An inner molding is stored by retaining at least a curved portion of the inner molding by a retaining member in a state where a shape of at least the curved portion of the inner molding is maintained. The inner molding is retained by fitting at least a curved portion of an attachment portion of the inner molding into an attachment portion groove of the retaining member so that an outer surface of a first horizontal wall of the attachment portion abuts against a first inner wall surface of the attachment portion groove and an outer surface of a second horizontal wall of the attachment portion abuts against a second inner wall surface of the attachment portion groove.Type: ApplicationFiled: April 15, 2016Publication date: September 13, 2018Applicant: TOKAI KOGYO CO., LTD.Inventors: Takuya SASAKI, Satoshi ENOMOTO
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Patent number: 9895138Abstract: According to one embodiment, based on a reception signal, the Doppler signal generation unit generates a first Doppler signal attributed to motion of a living body in a ROI and a second Doppler signal attributed to slower motion. The velocity display scale determination unit determines first and second velocity display scales based on velocity distribution ranges for the first and second Doppler signals, respectively. The image generation unit generates first and second Doppler images based on the first and second Doppler signals, respectively. The display unit displays the first and second Doppler images with the first and second velocity display scales, respectively.Type: GrantFiled: September 10, 2012Date of Patent: February 20, 2018Assignee: Toshiba Medical Systems CorporationInventor: Takuya Sasaki
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Patent number: 9833216Abstract: An ultrasonic diagnosis apparatus according to an embodiment includes a scan controller, an image generator, a detector, an image generation controller, an image combiner and a display controller. The scan controller causes to execute a first scan for performing ultrasound transmission in a first direction and a second scan for performing ultrasound transmission in each of a plurality of directions. The image generator generates first ultrasonic image data through the first scan and generates a second ultrasonic image data group through the second scan. The detector detects a line segment based on the second ultrasonic image data group. The image generation controller controls to generate needle image data based on information about the line segment. The image combiner generates composite image data of the first ultrasonic image data and the needle image data. The display controller controls the composite image data to be displayed.Type: GrantFiled: December 10, 2014Date of Patent: December 5, 2017Assignee: Toshiba Medical Systems CorporationInventors: Hiroyuki Ohuchi, Takuya Sasaki, Yoshitaka Mine, Tokiko Mitobe
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Publication number: 20170341204Abstract: A method for raising a polishing pad for polishing a silicon wafer, wherein a polishing pad made of foamed urethane resin is attached to a polishing machine, after dressing is performed, dummy polishing is performed, after processing to remove the polishing residues that have built up in the polishing pad by the dummy polishing is then performed, an amount of polishing residues in the polishing pad is measured, and a rise of the polishing pad subjected to the dummy polishing is judged based on the measured amount of polishing residues. As a result, a method for raising a polishing pad can improve the particle level in the polishing pad life early stage.Type: ApplicationFiled: January 5, 2016Publication date: November 30, 2017Applicant: SHIN-ETSU HANDOTAI CO., LTD.Inventors: Takuya SASAKI, Yuki TANAKA
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Patent number: 9757091Abstract: Ultrasound diagnosis apparatus comprises an image generator, a first structural information acquirer, a second structural information acquirer, and a synthesizer. The image generator generates, based on ultrasound waves transmitted and received in accordance with a plurality of transmission and reception conditions, sets of image data whose images represent at least partially a common area for each of the transmission and reception conditions. The first structural information acquirer acquires tissue-structure information indicative of tissue structures depicted, respectively, in the sets of image data. The second structural information acquirer acquires common structural information indicative of a tissue structure common in the sets of image data, based on the tissue-structure information.Type: GrantFiled: June 26, 2014Date of Patent: September 12, 2017Assignee: Toshiba Medical Systems CorporationInventors: Kuramitsu Nishihara, Tomohisa Imamura, Takuya Sasaki, Yuko Takada
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Patent number: 9743910Abstract: According to one embodiment, an ultrasonic diagnostic apparatus according to one embodiment transmits an ultrasonic wave into a predetermined region including a diagnosis target of an object, receives a reflected wave from the predetermined region, and acquires ultrasonic image data based on the reflected wave and comprises a correction unit which executes tone correction of the ultrasonic image data, and in the tone correction, the correction unit calculates a histogram associated with brightness of the image data and calculates a brightness distribution range corresponding to the diagnosis target and a tone correction function using the histogram.Type: GrantFiled: April 26, 2013Date of Patent: August 29, 2017Assignee: Toshiba Medical Systems CorporationInventor: Takuya Sasaki
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Patent number: 9691433Abstract: A medical image diagnosis apparatus including an image collection system that collects first dynamic images extending over a first period and a display control circuit that uses the first dynamic images and time information related to an image corresponding to a first predetermined time phase in the first period to simultaneously display the first dynamic images, the first predetermined time phase, and a relationship of the image currently displayed with a time phase in the first period at least in a predetermined period going back from the predetermined time phase in a monitor.Type: GrantFiled: April 17, 2015Date of Patent: June 27, 2017Assignee: Toshiba Medical Systems CorporationInventors: Takuya Sasaki, Kuramitsu Nishihara, Mio Azegami
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Patent number: 9606227Abstract: A spatial position x? of each ultrasonic transducer is accurately obtained for each probe in consideration of each edge transducer gap, and a delay time T(x?(n)) and a weighting coefficient W(x?(n)) are calculated on the basis of the position of each ultrasonic transducer. A control unit executes ultrasonic transmission/reception by using the calculated delay times and weighting coefficients to realize a suitable acoustic field with high deflection angle accuracy, small sidelobes, and the like as compared with the prior art.Type: GrantFiled: June 15, 2006Date of Patent: March 28, 2017Assignee: Toshiba Medical Systems CorporationInventors: Tatsuro Baba, Takuya Sasaki, Satoru Tezuka, Yasuo Miyajima
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Publication number: 20160351230Abstract: A medical image diagnosis apparatus including an image collection system that collects first dynamic images extending over a first period and a display control circuit that uses the first dynamic images and time information related to an image corresponding to a first predetermined time phase in the first period to simultaneously display the first dynamic images, the first predetermined time phase, and a relationship of the image currently displayed with a time phase in the first period at least in a predetermined period going back from the predetermined time phase in a monitor.Type: ApplicationFiled: August 15, 2016Publication date: December 1, 2016Applicant: Toshiba Medical Systems CorporationInventors: Takuya SASAKI, Kuramitsu NISHIHARA, Mio AZEGAMI
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Patent number: 9496130Abstract: The invention provides a reclaiming processing method for a delaminated wafer, by which the delaminated wafer obtained as a by-produce at the time of producing a bonded wafer is subjected to reclaiming polishing and is again available as a bond wafer or a base wafer, wherein, in the reclaiming polishing, the delaminate wafer is polished with use of a double-side polisher in a state that oxide film is not formed on a delaminated surface of the delaminated wafer and oxide film is formed on a back side which is the opposite side of the delaminated surface. As a result, the reclaiming processing method for a delaminated wafer, by which the delaminated wafer obtained as a by-product at the time of manufacturing a bonded wafer based on an ion implantation delamination method is subjected to the reclaiming polishing, which enables sufficiently improving quality.Type: GrantFiled: August 29, 2012Date of Patent: November 15, 2016Assignee: SHIN-ETSU HANDOTAI CO., LTD.Inventors: Toru Ishizuka, Yuji Okubo, Takuya Sasaki, Akira Araki, Nobuhiko Noto
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Patent number: 9433399Abstract: An ultrasound diagnosis apparatus according to an embodiment includes a decomposing unit, a diffusion filter unit, an adjusting unit, and a reconstructing unit. The decomposing unit decomposes ultrasound image data into low-frequency and high-frequency decomposed image data at each of a predetermined number of levels, by a multi-resolution analysis. The diffusion filter unit applies a diffusion filter to the low-frequency and high-frequency decomposed image data at the lowest level and applies, at each of the levels other than the lowest, a diffusion filter to data output from the level immediately underneath and to the high-frequency decomposed image data, and also generates edge information for each of the levels. The adjusting unit adjusts a signal level of the high-frequency decomposed image data for each of the levels, based on the edge information. The reconstructing unit obtains corrected data of the ultrasound image data by performing a multi-resolution synthesis.Type: GrantFiled: November 13, 2013Date of Patent: September 6, 2016Assignee: Toshiba Medical Systems CorporationInventors: Takuya Sasaki, Ryota Osumi
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Patent number: 9425056Abstract: The present invention provides a method for producing a silicon wafer including a step of, after growing the oxide film on one surface of a raw material silicon wafer by chemical-vapor deposition, performing double-side polishing of the raw material silicon wafer in such a manner that a suede polishing pad or a velour polishing pad with an asker-C rubber hardness of 50° or more but less than 90° is used for the oxide-film surface.Type: GrantFiled: February 9, 2012Date of Patent: August 23, 2016Assignee: SHIN-ETSU HANDOTAI CO., LTD.Inventors: Takuya Sasaki, Hiromasa Hashimoto, Kazuya Sato, Ayumu Sato
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Publication number: 20160081667Abstract: An ultrasonic diagnostic apparatus according to an embodiment acquires a tomogram of a subject and displays the tomogram, based on a reception signal which is obtained by transmitting/receiving ultrasonic waves to/from the subject. The apparatus comprises maximum value memory circuitry, select circuitry, and an ultrasonic output controller. The maximum value memory circuitry stores a maximum value of an index value relating to an ultrasonic output, with respect to each of scan regions of the subject. The ultrasonic output controller acquires, from the maximum value memory circuitry, the maximum value of the index value corresponding to the scan region selected by the select circuitry, and controls the ultrasonic output such that the ultrasonic output does not exceed the maximum value of the index value.Type: ApplicationFiled: December 1, 2015Publication date: March 24, 2016Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Mio AZEGAMI, Chihiro SHIBATA, Takuya SASAKI, Shigemitsu NAKAYA, Masao TAKIMOTO
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Patent number: 9226728Abstract: An ultrasonic diagnostic apparatus generates volume data by performing three-dimensional scan of a three-dimensional region with an ultrasonic wave. An input unit sets or changes at least one of a plurality of correlated scan conditions for the three-dimensional scan. A determination unit determines the other scan conditions of the plurality of scan conditions on the basis of at least one scan condition that is set or changed. A display unit displays at least one of the set or changed scan condition and the determined scan conditions.Type: GrantFiled: April 21, 2008Date of Patent: January 5, 2016Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems CorporationInventors: Shinichi Hashimoto, Tetsuya Kawagishi, Takuya Sasaki