Patents by Inventor Tomohiro Hayakawa
Tomohiro Hayakawa 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: 20190017811Abstract: [Object] To analyze a strain of a biological sample more accurately. [Solution] Provided is an information processing device including: a setting unit configured to set at least one region of interest from one captured image constituting a dynamic image for a biological sample; an analysis object specifying unit configured to specify an analysis object for the at least one region of interest; a detection unit configured to detect a motion of the analysis object in the dynamic image; and an analysis unit configured to analyze a strain of the biological sample related to the at least one region of interest on a basis of the detected motion of the analysis object.Type: ApplicationFiled: December 29, 2016Publication date: January 17, 2019Applicant: SONY CORPORATIONInventors: SHINJI WATANABE, TOMOHIRO HAYAKAWA
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Patent number: 10175164Abstract: As a result of acquiring visible absorption spectra of red blood cells and analyses of the spectra, inventors of the present disclosure have discovered the fact that echinocytes show a characteristic spectrum pattern having an absorption peak in a wavelength region of 450 to 490 nm between Soret and Q bands. Then, the present disclosure provides a blood analysis apparatus having an analysis section for detecting the absorption peak of a visible absorption spectrum acquired for blood. In accordance with this blood analysis apparatus, on the basis of the absorption peak, it is possible to detect echinocytes contained in blood.Type: GrantFiled: August 2, 2012Date of Patent: January 8, 2019Assignee: Sony CorporationInventors: Eriko Matsui, Tomohiro Hayakawa, Suguru Dowaki, Hirokazu Tatsuta, Takeshi Kunihiro
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Patent number: 10168314Abstract: Described are methods and structures associated with live cell analysis apparatus. A live cell analysis apparatus may include at least one data processor that is configured to process a sequence of images of live cells to determine motion of one or more live cells. The motion may be in response to applied electrical stimulations. The apparatus and methods may be used to determine a refractory period for cardiomyocytes from the determined motion.Type: GrantFiled: February 13, 2015Date of Patent: January 1, 2019Assignee: SONY CORPORATIONInventors: Kazuya Takahashi, Tomohiro Hayakawa, Hirokazu Tatsuta, Eriko Matsui
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Patent number: 10157459Abstract: The present technology relates to a cell evaluation apparatus and method, and a program that are capable of easily searching for an area to be observed within cardiomyocytes without requiring special preparation.Type: GrantFiled: July 10, 2014Date of Patent: December 18, 2018Assignee: SONY CORPORATIONInventors: Takeshi Kunihiro, Tomohiro Hayakawa, Eriko Matsui, Seiji Kobayashi
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Publication number: 20180313037Abstract: Provided is a dispersant for carbon fibers which allows uniform dispersion of relatively long carbon fibers, e.g., carbon fibers with a length of 12.5 mm or more, particularly 10.0-100.0 mm, more particularly 12.5-50.0 mm in an aqueous medium. A dispersant for carbon fibers used by combining: (A) a random copolymer of phenylglycidyl ether and ethylene oxide, or a random copolymer of phenylglycidyl ether, ethylene oxide and propylene oxide; and (B) a polyether-based polyurethane resin based on a bifunctional polyol and hexamethylene diisocyanate, the bifunctional polyol being polyethylene glycol and/or an ethylene oxide-propylene oxide random copolymer.Type: ApplicationFiled: September 27, 2016Publication date: November 1, 2018Applicant: KURARAY CO., LTD.Inventors: Tomohiro HAYAKAWA, Toshimichi KUSUNOKI, Hiroyuki KAWAI, Hideo KIYOYAMA
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Patent number: 10106923Abstract: Provided is an extra-fine fiber sheet including an extra-fine fiber assembly including extra-fine fibers having an average fiber diameter of 500 nm or smaller. The extra-fine fiber sheet includes an extra-fine fiber assembly. The assembly includes a solvent-spinnable polymer (A) having a weight average molecular weight of 5,000 to 100,000 as a main component and a polymer (B) having a weight average molecular weight equal to or more than 10 times as large as that of the polymer (A) as an accessory component; and the assembly includes constituent fibers having an average fiber diameter of 10 to 500 nm. The polymer (A) may be a non-conductive polymer, and the polymer (B) may be a thickening polymer.Type: GrantFiled: March 27, 2014Date of Patent: October 23, 2018Assignee: KURARAY CO., LTD.Inventors: Takayoshi Hosoya, Tomohiro Hayakawa, Hiroyuki Kawai, Hideo Hayashi
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Publication number: 20180269450Abstract: The present invention relates to an alkaline battery separator comprising alkali-resistant fibers, beaten cellulose fibers, and a binder, wherein 1) an overall freeness, in terms of CSF, is at least 700 ml, wherein 2) weight ratios of the alkali-resistant fibers and the beaten cellulose fibers are 28:72 to 72:28, and wherein 3) the beaten cellulose fibers comprise mercerized natural wood fibers having a freeness, in terms of CSF, of at least 150 ml and less than 550 ml.Type: ApplicationFiled: September 14, 2016Publication date: September 20, 2018Applicant: KURARAY CO., LTD.Inventors: Tomohiro HAYAKAWA, Toshimichi KUSUNOKI, Hiroyuki KAWAI, Koichi KAMBE
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Patent number: 10020124Abstract: A separator for electric double layer capacitor comprising a fiber sheet containing 10% by mass (relative to 100% by mass of fiber sheet) of polyvinyl alcohol fibers (fibers A) having a hot water-dissolving temperature of lower than 100° C. and higher than 85° C., the separator having a density within a range of 0.25 to 0.7 g/cm3, and a thickness within a range of not less than 5 ?m and less than 40 ?m.Type: GrantFiled: June 25, 2015Date of Patent: July 10, 2018Assignee: KURARAY CO., LTD.Inventors: Tomohiro Hayakawa, Hiroyuki Kawai, Hideo Hayashi
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Publication number: 20180189961Abstract: An image processing device includes a processor to detect motion of objects in an observation area on the basis of a captured image. The processor also calculates amounts of each detected motion, and calculates a propagation speed, a propagation direction, or both, of the motion for pulsations of the objects.Type: ApplicationFiled: March 1, 2018Publication date: July 5, 2018Applicant: SONY CORPORATIONInventors: Takeshi KUNIHIRO, Tomohiro HAYAKAWA, Eriko MATSUI, Seiji KOBAYASHI
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Publication number: 20180179669Abstract: A polyvinyl alcohol fiber that can easily be fibrillated at a low manufacture cost is provided. The readily fibrillative polyvinyl alcohol fiber contains a polyalkylene oxide in addition to a polyvinyl alcohol. A mass ratio of the polyalkylene oxide ranges from 3 to 40% relative to the total mass of the polyvinyl alcohol and the polyalkylene oxide. A method for manufacturing the polyvinyl alcohol fiber is also provided.Type: ApplicationFiled: June 22, 2016Publication date: June 28, 2018Applicant: KURARAY CO., LTDInventors: Masami KAWAKAMI, Toshiaki KOBAYASHI, Hiroyuki KAWAI, Shinichi TAKEMOTO, Tomohiro HAYAKAWA
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Patent number: 9972097Abstract: An image processing device includes a processor to detect motion of objects in an observation area on the basis of a captured image. The processor also calculates amounts of each detected motion, and calculates a propagation speed, a propagation direction, or both, of the motion for pulsations of the objects.Type: GrantFiled: July 9, 2014Date of Patent: May 15, 2018Assignee: SONY CORPORATIONInventors: Takeshi Kunihiro, Tomohiro Hayakawa, Eriko Matsui, Seiji Kobayashi
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Patent number: 9930241Abstract: [Object] To provide an image processing apparatus, an image processing program, and an image processing method capable of obtaining three-dimensional information of an observation target object. [Solving Means] An image processing apparatus includes a difference calculation unit and a difference distribution generation unit. The difference calculation unit calculates, for each of pixels that constitute a pickup image in each of a plurality of pickup images taken at different focal depths, a difference of a luminance value from an adjacent pixel. A difference image generation unit generates, on the basis of the difference and the focal depth at which the pickup image including the pixel whose difference is calculated is taken, a distribution of the difference with respect to the focal depth.Type: GrantFiled: May 17, 2013Date of Patent: March 27, 2018Assignee: Sony CorporationInventors: Shiori Oshima, Eriko Matsui, Suguru Dowaki, Tomohiro Hayakawa
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Publication number: 20180014740Abstract: To provide a biological signal measuring equipment that can perform the measurement in the same manner as the case of measuring a wave motion of a short period, even in the case of measuring the wave motion of a long period generated in a head portion. A biological signal measuring equipment used in the measurement of the biological signal in a head portion, has a jaw contact portion that comes into contact with a forehead; an occiput contact portion that comes into contact with the occiput; and a supporter that is interposed in a front and rear direction of the head portion and is supported by the head portion by using the jaw contact portion and the occiput contact portion as ends.Type: ApplicationFiled: September 26, 2017Publication date: January 18, 2018Inventors: TOMOHIRO HAYAKAWA, HARUHIKO SOMA, SEIJI WADA, FAN WANG, NATSUKI KIMURA, MITSUHIRO NAKAMURA, SHIKO YAMASHITA, YUSAKU NAKASHIMA, TAKURO YAMAMOTO
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Publication number: 20170337697Abstract: The present disclosure relates to a data processing apparatus and a data processing method capable of generating evaluation index data for performing accurate and detailed evaluation of cultured cardiomyocytes. A motion detecting unit divides frame image data obtained by photographing the cultured cardiomyocytes for a predetermined time into blocks and obtains motion detection data in units of blocks per each frame period. A feature amount calculating unit calculates a feature amount for each block at the same position in a frame image using the motion detection data. A classification processing unit classifies each of the blocks into any one of a plurality of classification categories using the calculated feature amount. On the basis of the classification result, evaluation index data made of individual classification result data that represent correspondences between the blocks and the classification categories is generated.Type: ApplicationFiled: August 4, 2017Publication date: November 23, 2017Applicant: Sony CorporationInventors: Takeshi Kunihiro, Masashi Uchida, Eriko Matsui, Tomohiro Hayakawa
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Patent number: 9788745Abstract: A biological signal measuring equipment used in a measurement of a biological signal in a head portion, has a jaw contact portion that comes into contact with a forehead; an occiput contact portion that comes into contact with an occiput; and a supporter that is interposed in a front and rear direction of the head portion and is supported by the head portion by using the jaw contact portion and the occiput contact portion as ends. The biological signal measuring equipment performs the measurement in the same manner as the case of measuring a wave motion of a short period, even in the case of measuring the wave motion of a long period generated in a head portion.Type: GrantFiled: June 28, 2010Date of Patent: October 17, 2017Assignee: SONY CORPORATIONInventors: Tomohiro Hayakawa, Haruhiko Soma, Seiji Wada, Fan Wang, Natsuki Kimura, Mitsuhiro Nakamura, Shiko Yamashita, Yusaku Nakashima, Takuro Yamamoto
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Patent number: 9786052Abstract: Apparatus and methods for image processing capable of generating evaluation index data for performing accurate and detailed evaluation of cultured cardiomyocytes are described. A motion detecting unit divides frame image data obtained by photographing the cultured cardiomyocytes for a predetermined time into blocks and obtains motion detection data in units of blocks per each frame period. A feature amount calculating unit calculates a feature amount for each block at the same position in a frame image using the motion detection data. A classification processing unit classifies each of the blocks into any one of a plurality of classification categories using the calculated feature amount. On the basis of the classification result, evaluation index data made of individual classification result data that represent correspondences between the blocks and the classification categories is generated.Type: GrantFiled: February 28, 2011Date of Patent: October 10, 2017Assignee: Sony CorporationInventors: Takeshi Kunihiro, Masashi Uchida, Eriko Matsui, Tomohiro Hayakawa
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Patent number: 9748543Abstract: Provided are a separator for a nonaqueous cell that has air permeability and is small in thickness while maintaining strength properties; and a nonaqueous cell having this separator. The separator includes a fiber sheet in which a polyvinyl alcohol fiber is incorporated in a proportion of 30% or more by mass (based on the fiber sheet). The fiber has a fiber breaking temperature in heated water of lower than 100° C. and higher than 85° C.Type: GrantFiled: November 25, 2014Date of Patent: August 29, 2017Assignee: KURARAY CO., LTD.Inventors: Tomohiro Hayakawa, Hiroyuki Kawai, Hideo Hayashi, Koichi Kambe
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Publication number: 20170203245Abstract: The present invention provides a filtering material for filtering water having high collection efficiency and long filtering life, and a water filtering apparatus including the material. The present filtering material includes a laminated sheet in which a nanofiber layer formed from a nanofiber having a single fiber average diameter of 10 to 1000 nm and meeting all the following conditions and a base material including a nonwoven or woven fabric containing a hydrophilic fiber having a single fiber average diameter of not less than 1 ?m. Further, the present water filtering apparatus is configured by including the filtering material for filtering water. (1) The nanofiber layer has a basis weight of 0.1 to 10 g/m2. (2) The nanofiber is a continuous long fiber. (3) The nanofiber contains at least an ethylene-vinyl alcohol copolymer.Type: ApplicationFiled: April 3, 2017Publication date: July 20, 2017Applicant: KURARAY CO., LTD.Inventors: Takayoshi HOSOYA, Hiroyuki KAWAI, Tomohiro HAYAKAWA, Jun ARAMAKI
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Patent number: 9711769Abstract: Provided are a separator for a nonaqueous cell that has air permeability and is small in thickness while maintaining strength properties; and a nonaqueous cell having this separator. The separator includes a fiber sheet in which a polyvinyl alcohol fiber is incorporated in a proportion of 30% or more by mass (based on the fiber sheet). The fiber has a fiber breaking temperature in heated water of lower than 100° C. and higher than 85° C.Type: GrantFiled: November 25, 2014Date of Patent: July 18, 2017Assignee: KURARAY CO., LTD.Inventors: Tomohiro Hayakawa, Hiroyuki Kawai, Hideo Hayashi, Koichi Kambe
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Patent number: 9693705Abstract: A biosignal measurement device is proposed which can improve measurement accuracy without forcing an excessive burden on subjects. A biosignal measurement device used for measurement of a biosignal in a head includes a support that can support the head, and an electrode provided to the support. The electrode has a plurality of teeth each including an annular portion in which a pair of linear members having conductivity are formed in an annular shape, and a rod-like portion in which the pair of linear members are wound in opposite directions and formed in a rod-like shape. The rod-like portion in each of the plurality of teeth is directly or indirectly fixed at one end to the support.Type: GrantFiled: June 28, 2010Date of Patent: July 4, 2017Assignee: SONY CORPORATIONInventors: Tomohiro Hayakawa, Haruhiko Soma, Seiji Wada, Fan Wang, Natsuki Kimura, Mitsuhiro Nakamura, Shiko Yamashita, Yusaku Nakashima, Takuro Yamamoto