Patents by Inventor Shinya Kawahara
Shinya Kawahara 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: 20240018703Abstract: To provide a woven/knitted fabric having excellent fabric/skin separation, a woven/knitted fabric is provided that includes C-shaped cross-section fibers, wherein an average standard deviation Sq of surface roughness of at least one surface of the woven/knitted fabric is 5 ?m or more and 100 ?m or less, and a ratio (Sqs/Sq) of an average standard deviation Sqs of surface roughness of the one surface when the woven/knitted fabric is elongated by 10% to the average standard deviation Sq, is 0.85 or more and 2.00 or less.Type: ApplicationFiled: November 5, 2021Publication date: January 18, 2024Applicant: Toray Industries, Inc.Inventors: Shinya Kawahara, Kojiro Inada, Tomohiko Matsuura, Masato Masuda
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Publication number: 20230323569Abstract: A composite fiber includes: two or more kinds of polymers that have different dissolution rates in a solvent and are laminated in a direction from a fiber center to a fiber surface in a fiber cross section, in which an innermost layer including the fiber center includes an easily soluble polymer, and two kinds of hardly soluble polymers having different melting points are unevenly distributed in at least one layer other than the innermost layer.Type: ApplicationFiled: August 16, 2021Publication date: October 12, 2023Inventors: Tomohiko Matsuura, Masato Masuda, Shinya Kawahara, Kojiro Inada
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Patent number: 11485635Abstract: A hydrogen generator having a reforming catalyst that causes hydrocarbon gas and steam to carry out a reforming reaction and reform into a hydrogen rich reformed gas, a reformer that is filled with said reforming catalyst and in which said reforming reaction is carried out, and a combustion chamber for combusting a fuel gas and obtaining reaction heat that is applied to said reforming reaction. At least the reforming region carrying out the reforming reaction is disposed inside the combustion chamber. A steam generator that introduces steam into the reformer is provided outside the combustion chamber.Type: GrantFiled: October 26, 2018Date of Patent: November 1, 2022Assignee: Air Water Inc.Inventors: Tatsuya Kawamoto, Masako Tanaka, Yoshiro Nitta, Shinya Kawahara
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Publication number: 20220341060Abstract: A sheath-core composite fiber is composed of two or more polymers, wherein a core component having a multifoliate shape with three or more projections is completely covered by a sheath component in a fiber cross-section of the sheath-core composite fiber, while having a ratio of the maximum thickness Smax of the sheath component to the minimum thickness Smin of the sheath component, namely Smax/Smin of 5.0 or more. A multifilament is composed of the core component of this sheath-core composite fiber. The sheath-core composite fiber and multifilament are suitable for the achievement of a good textile that is comparable to natural silk.Type: ApplicationFiled: October 2, 2020Publication date: October 27, 2022Inventors: Tomohiko Matsuura, Masato Masuda, Shinya Kawahara, Kazuya Fujita
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Patent number: 10960597Abstract: A biaxially oriented thermoplastic resin film has at least one surface of which has protrusions each having a height of 1 nm or more and less than 2 nm at a density of 1×107 to 1×109 protrusions per mm2. The thermoplastic resin film is capable of suppressing generation of coarse protrusions and contaminants, and defects in a processing process while having slipperiness.Type: GrantFiled: June 7, 2017Date of Patent: March 30, 2021Assignee: TORAY INDUSTRIES, INC.Inventors: Takuji Higashioji, Shinya Kawahara, Yukari Nakamori, Tadamasa Suzuki
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Publication number: 20210041067Abstract: A liquefied fluid supply system is a liquefied fluid supply system of supplying a nozzle with a liquefied fluid that vaporizes after spraying and includes: a supercooler that cools the liquefied fluid to a temperature lower than a saturation temperature thereof and makes the liquefied fluid into a supercooled liquid; and a booster that boosts in pressure the liquefied fluid made into the supercooled liquid by the supercooler and supplies the liquefied fluid to the nozzle.Type: ApplicationFiled: January 29, 2018Publication date: February 11, 2021Applicants: IHI Corporation, AIR WATER INC.Inventors: Jun MAENO, Akira SADAKI, Leona GOHDA, Shinya KAWAHARA
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Publication number: 20200283294Abstract: A hydrogen generator having a reforming catalyst that causes hydrocarbon gas and steam to carry out a reforming reaction and reform into a hydrogen rich reformed gas, a reformer that is filled with said reforming catalyst and in which said reforming reaction is carried out, and a combustion chamber for combusting a fuel gas and obtaining reaction heat that is applied to said reforming reaction. At least the reforming region carrying out the reforming reaction is disposed inside the combustion chamber. A steam generator that introduces steam into the reformer is provided outside the combustion chamber.Type: ApplicationFiled: October 26, 2018Publication date: September 10, 2020Inventors: Tatsuya KAWAMOTO, Masako TANAKA, Yoshiro NITTA, Shinya KAWAHARA
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Publication number: 20190160728Abstract: A biaxially oriented thermoplastic resin film has at least one surface of which has protrusions each having a height of 1 nm or more and less than 2 nm at a density of 1×107 to 1×109 protrusions per mm2. The thermoplastic resin film is capable of suppressing generation of coarse protrusions and contaminants, and defects in a processing process while having slipperiness.Type: ApplicationFiled: June 7, 2017Publication date: May 30, 2019Applicant: Toray Industries, Inc.Inventors: Takuji HIGASHIOJI, Shinya KAWAHARA, Yukari NAKAMORI, Tadamasa SUZUKI
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Publication number: 20180072083Abstract: A thermoreversible recording medium including a support, and a thermoreversible recording layer, which is disposed on the support, and contains a leuco dye, and a reversible color developer, wherein an average particle diameter of granules in the thermoreversible recording layer is 0.35 micrometers or smaller.Type: ApplicationFiled: March 15, 2016Publication date: March 15, 2018Inventors: Toshiaki ASAI, Tomomi ISHIMI, Shinya KAWAHARA, Katsuya OHI
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Patent number: 9757956Abstract: Provided is an image processing apparatus configured to perform by itself image erasing and image recording to a thermally reversible recording medium by irradiating it with laser light and heating it, including a laser light emitting unit, a laser light scanning unit, a focal length control unit, and an information setting unit. During image erasing, the focal length control unit performs control to defocus at the position of the thermally reversible recording medium. During image recording, the focal length control unit performs control to be at a focal length from the position of the thermally reversible recording medium. Immediately after image erasing based on image erasing information set by the information setting unit is completed, image recording is performed based on image recording information.Type: GrantFiled: March 13, 2014Date of Patent: September 12, 2017Assignee: RICOH COMPANY, LTD.Inventors: Tomomi Ishimi, Shinya Kawahara, Toshiaki Asai, Katsuya Ohi
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Patent number: 9724951Abstract: Provided is an image erasing method including heating a thermoreversible recording medium with laser beams to erase an image which has been recorded on the thermoreversible recording medium, the thermoreversible recording medium reversibly changing between a colored state and a decolored state depending on a heating temperature and a cooling time; and measuring at least one of a surface temperature of the thermoreversible recording medium and an erasing environmental temperature before a beginning of erasing the image to obtain a measured temperature value and controlling a heating time with the laser beams to be emitted for erasing the image depending on the measured temperature value.Type: GrantFiled: March 19, 2016Date of Patent: August 8, 2017Assignee: RICOH COMPANY, LTD.Inventors: Tomomi Ishimi, Shinya Kawahara, Toshiaki Asai, Katsuya Ohi
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Patent number: 9579918Abstract: Provided is an image processing method, the method including heating a thermoreversible recording medium with laser beams to erase an image which has been recorded on the thermoreversible recording medium, the thermoreversible recording medium reversibly changing between a colored state and a decolored state depending on a heating temperature and a cooling time; heating the thermoreversible recording medium, on which the image has been erased, with the laser beams to record a subsequent image on the thermoreversible recording medium; and measuring at least one of a surface temperature of the thermoreversible recording medium and a recording environmental temperature after a completion of erasing the image but before a beginning of recording the subsequent image to obtain a measured temperature value and controlling a time interval between the completion of erasing the image and the beginning of recording the subsequent image depending on the measured temperature value.Type: GrantFiled: March 19, 2016Date of Patent: February 28, 2017Assignee: RICOH COMPANY, LTD.Inventors: Tomomi Ishimi, Shinya Kawahara, Toshiaki Asai, Katsuya Ohi
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Publication number: 20170017867Abstract: An optical information code reading method, including reading an optical information code image by an optical information code scanner immediately after the optical information code image has been recorded onto an information recording medium, wherein the optical information code scanner includes an amplitude tuning unit configured to correct a detected amplitude level of reflectivity from the information recording medium on which the optical information code image has been recorded and to store the corrected detected amplitude level, and wherein the optical information code scanner reads the optical information code image in a state in which the optical information code scanner has read the information recording medium on which the optical information code image has been recorded, and the amplitude tuning unit has determined and stored a detected amplitude level optimum for reading.Type: ApplicationFiled: March 6, 2015Publication date: January 19, 2017Applicant: Ricoh Company, Ltd.Inventors: Tomomi ISHIMI, Katsuya OHI, Shinya KAWAHARA, Toshiaki ASAI
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Publication number: 20160279968Abstract: Provided is an image processing apparatus configured to perform by itself image erasing and image recording to a thermally reversible recording medium by irradiating it with laser light and heating it, including a laser light emitting unit, a laser light scanning unit, a focal length control unit, and an information setting unit. During image erasing, the focal length control unit performs control to defocus at the position of the thermally reversible recording medium. During image recording, the focal length control unit performs control to be at a focal length from the position of the thermally reversible recording medium. Immediately after image erasing based on image erasing information set by the information setting unit is completed, image recording is performed based on image recording information.Type: ApplicationFiled: March 13, 2014Publication date: September 29, 2016Applicant: RICOH COMPANY, LTD.Inventors: Tomomi ISHIMI, Shinya KAWAHARA, Toshiaki ASAI, Katsuya OHI
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Publication number: 20160271991Abstract: Provided is an image erasing method including heating a thermoreversible recording medium with laser beams to erase an image which has been recorded on the thermoreversible recording medium, the thermoreversible recording medium reversibly changing between a colored state and a decolored state depending on a heating temperature and a cooling time; and measuring at least one of a surface temperature of the thermoreversible recording medium and an erasing environmental temperature before a beginning of erasing the image to obtain a measured temperature value and controlling a heating time with the laser beams to be emitted for erasing the image depending on the measured temperature value.Type: ApplicationFiled: March 19, 2016Publication date: September 22, 2016Applicant: RICOH COMPANY, LTD.Inventors: Tomomi ISHIMI, Shinya KAWAHARA, Toshiaki ASAI, Katsuya OHI
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Publication number: 20160271990Abstract: Provided is an image processing method, the method including heating a thermoreversible recording medium with laser beams to erase an image which has been recorded on the thermoreversible recording medium, the thermoreversible recording medium reversibly changing between a colored state and a decolored state depending on a heating temperature and a cooling time; heating the thermoreversible recording medium, on which the image has been erased, with the laser beams to record a subsequent image on the thermoreversible recording medium; and measuring at least one of a surface temperature of the thermoreversible recording medium and a recording environmental temperature after a completion of erasing the image but before a beginning of recording the subsequent image to obtain a measured temperature value and controlling a time interval between the completion of erasing the image and the beginning of recording the subsequent image depending on the measured temperature value.Type: ApplicationFiled: March 19, 2016Publication date: September 22, 2016Applicant: RICOH COMPANY, LTD.Inventors: Tomomi ISHIMI, Shinya KAWAHARA, Toshiaki ASAI, Katsuya OHi
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Patent number: 9370955Abstract: The present invention provides an image processing method which includes any one of recording an image on a thermally reversible recording medium that can reversibly change any one of its transparency and color tone depending on temperature by irradiating and heating the thermally reversible recording medium with a laser beam, and erasing the image recorded on the thermally reversible recording medium by heating the thermally reversible recording medium, wherein in any one of the image recording and the image erasing, the thermally reversible recording medium is located at a position farther than a focal position of the laser beam, and at least any one of the image recording and the image erasing is performed.Type: GrantFiled: December 10, 2013Date of Patent: June 21, 2016Assignee: RICOH COMPANY, LTD.Inventors: Shinya Kawahara, Yoshihiko Hotta, Tomomi Ishimi
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Patent number: 9302524Abstract: A disclosed marking control device controls a marking device to mark a target image on a thermoreversible recording medium by applying a laser beam includes a marking position determination unit dividing the image into plural marking lines, and determining their marking positions; a marking order determination unit determining a marking order to mark the marking lines in mutually opposite directions; an adjusting unit adjusting a distance between a first ending point and a second starting point to be longer than a distance between a first starting point and a second ending point, or adjusting laser power applied to a second starting point side of the second marking line to be lower than the laser power applied to a second ending point side of the second marking line; and a marking instruction generator unit generating marking instructions including the marking positions of the marking lines and the marking order thereof.Type: GrantFiled: November 24, 2014Date of Patent: April 5, 2016Assignee: RICOH COMPANY, LTD.Inventors: Kazutaka Yamamoto, Tomomi Ishimi, Shinya Kawahara, Toshiaki Asai, Yoshihiko Hotta
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Patent number: 9162480Abstract: A method for uniformly erasing an image recorded on a thermo-reversible recording medium. The image erasing apparatus includes an LD array, which emits a laser light whose cross section has a line shape; optics which include at least one cylindrical lens which converts, into a converging light which converges in a width direction, a line-shaped laser light which is emitted from the LD array and emits the converging light; and a mono-axial galvano mirror which deflects the laser light emitted from the optics in the width direction to scan the deflected laser light onto the thermo-reversible recording medium.Type: GrantFiled: November 28, 2012Date of Patent: October 20, 2015Assignee: Ricoh Company, Ltd.Inventors: Tomomi Ishimi, Shinya Kawahara, Toshiaki Asai, Yoshihiko Hotta
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Publication number: 20150080214Abstract: A disclosed marking control device controls a marking device to mark a target image on a thermoreversible recording medium by applying a laser beam includes a marking position determination unit dividing the image into plural marking lines, and determining their marking positions; a marking order determination unit determining a marking order to mark the marking lines in mutually opposite directions; an adjusting unit adjusting a distance between a first ending point and a second starting point to be longer than a distance between a first starting point and a second ending point, or adjusting laser power applied to a second starting point side of the second marking line to be lower than the laser power applied to a second ending point side of the second marking line; and a marking instruction generator unit generating marking instructions including the marking positions of the marking lines and the marking order thereof.Type: ApplicationFiled: November 24, 2014Publication date: March 19, 2015Inventors: Kazutaka YAMAMOTO, Tomomi ISHIMI, Shinya KAWAHARA, Toshiaki ASAI, Yoshihiko HOTTA