Patents by Inventor Naohisa Miyakawa
Naohisa Miyakawa 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: 11141897Abstract: A method for producing an extrusion molded product, wherein the method uses a holder (6) for feeding a core material (11), the holder (6) being provided with cutting guide holes (7) through which cutting blades (2) go to form grooves (12) in the core material (11); when rotary bodies (3) provided with the cutting blades (2) start rotating, the core material (11) and the holder (6) stand by at a predetermined standby position that does not enable the cutting blades (2) to cut the core material (11); and when the rotation speeds of the rotary bodies (3) reach predetermined rotation speeds, the holder (6) is or the rotary bodies (3) are moved so that the cutting blades (2) can start cutting the core material (11) proceeding through the holder (6), and then the cutting blades (2) form a plurality of grooves (12) in the core material (11).Type: GrantFiled: June 18, 2019Date of Patent: October 12, 2021Assignees: TOKIWA CHEMICAL INDUSTRIES CO., LTD., TOKIWA KEISEI CO., LTD.Inventors: Takashi Hirokawa, Naohisa Miyakawa
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Publication number: 20210275696Abstract: The purpose of the present invention is to provide a technique for imaging the brain of a live animal and application of the technique. A radiolabeled dibenzoazepine derivative, which shows excellent brain parmeability, high receptor selectivity and high quantitativity, is used for imaging a live animal body. A dibenzoazepine derivative is used for treating a disease in which hM4D receptor or hM3D receptor participates. Further, a radiolabeled dibenzoazepine derivative is used for imaging an axonal end which is innervated by a nerve cell.Type: ApplicationFiled: June 21, 2019Publication date: September 9, 2021Applicant: National Institutes for Quantum and Radiological Science and TechnologyInventors: Takafumi MINAMIMOTO, Yuji NAGAI, Bin JI, Naohisa MIYAKAWA, Makoto HIGUCHI, Tetsuya SUHARA
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Publication number: 20200282618Abstract: A method for producing an extrusion molded product, wherein the method uses a holder (6) for feeding a core material (11), the holder (6) being provided with cutting guide holes (7) through which cutting blades (2) go to form grooves (12) in the core material (11); when rotary bodies (3) provided with the cutting blades (2) start rotating, the core material (11) and the holder (6) stand by at a predetermined standby position that does not enable the cutting blades (2) to cut the core material (11); and when the rotation speeds of the rotary bodies (3) reach predetermined rotation speeds, the holder (6) is or the rotary bodies (3) are moved so that the cutting blades (2) can start cutting the core material (11) proceeding through the holder (6), and then the cutting blades (2) form a plurality of grooves (12) in the core material (11).Type: ApplicationFiled: June 18, 2019Publication date: September 10, 2020Applicant: Tokiwa Chemical Industries Co., Ltd.Inventors: Takashi HIROKAWA, Naohisa MIYAKAWA
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Patent number: 8479451Abstract: An extrusion molded product having a core material for mounting thereof on a flange around the periphery of an opening of an automobile body, such as a door, a trunk, a back door, and a slide door includes a pressure receiving member including a soft thermoplastic elastomer composition connected to opposed side portions of a core material having a generally U-shaped cross section in the longitudinal direction, a hollow chamber formed in the upper portion of the core material by connecting the pressure receiving member to the opposed side portions of the core material, and a sealing portion having a thickness thinner than a thickness of the pressure receiving member formed in a part of the pressure receiving member.Type: GrantFiled: January 5, 2011Date of Patent: July 9, 2013Assignees: Tokiwa Chemical Industries, Co., Ltd., System Technical Co., Ltd.Inventors: Naohisa Miyakawa, Katsuhisa Kato
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Publication number: 20110219699Abstract: An extrusion molded product having a core material for mounting thereof on a flange around the periphery of an opening of an automobile body, such as a door, a trunk, a back door, and a slide door comprises a pressure receiving member 4 comprising a soft thermoplastic elastomer composition connected to opposed side portions of a core material having a generally U-shaped cross section in the longitudinal direction, a hollow chamber 5 formed in the upper portion of the core material by connecting the pressure receiving member to the opposed side portions of the core material, and a sealing portion 9 having a thickness thinner than a thickness of the pressure receiving member 4 formed in a part of the pressure receiving member 4.Type: ApplicationFiled: January 5, 2011Publication date: September 15, 2011Inventors: Naohisa MIYAKAWA, Katsuhisa Kato
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Publication number: 20110023372Abstract: An extrusion molded product having a core material, such as a weather strip and a trim, for mounting thereof on a flange around the periphery of an opening of an automobile body, such as a door, a trunk, and a back door comprises a molded product body (1) which includes a core material (3) having a generally U-shaped cross section in a longitudinal direction, a coating layer (2) having holding portions (4) formed inside side portions of the core material (3), and a contact layer (6) consisting of a thermoplastic elastomer composition harder than the holding portions (4) and formed integrally with the holding portions (4) on a surface abutting the flange (5).Type: ApplicationFiled: July 28, 2010Publication date: February 3, 2011Inventors: Naohisa MIYAKAWA, Katsuhisa Kato
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Patent number: 7811653Abstract: An extrusion molded article for automobiles, having a body portion (1) and a hollow sealing portion (11), where the body portion (1) comprises a core (2) made of a resin having a U-shaped cross-section extending in a longitudinal direction and a covering layer (3) surrounding and covering the core partly or entirely, and the hollow sealing portion (11) is bonded integrally with an outer surface (4) of the body portion, characterized in that the covering layer (3) is made of a thermoplastic elastomer composition having a tensile elongation at break of at least 350%, as determined according to JIS K6251, and a change in 100% modulus of at most 40%, wherein the change in 100% modulus=[(100% modulus at 23° C.-100% modulus at 80° C.)/100% modulus at 23° C.Type: GrantFiled: April 4, 2007Date of Patent: October 12, 2010Assignee: Riken Technos CorporationInventors: Naohisa Miyakawa, Hiromasa Sanada, Naoyuki Ono, Tomozo Ogawa
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Publication number: 20090313929Abstract: An extrusion-molded product for attaching to a flange of a vehicle body opening, such as an automotive door, trunk and backdoor comprises a core material having a U-shaped cross section along the lengthwise direction of of said core material, a coating layer of thermoplastic elastomer or rubber formed in the outside of the core material and provided with a hollow seal portion, and a pressing member of thermoplastic elastomer or rubber having a hollow portion formed integrally in the inside of the U-shaped cross section of the core material.Type: ApplicationFiled: May 29, 2009Publication date: December 24, 2009Inventors: Naohisa Miyakawa, Katsuhisa Kato
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Publication number: 20080295414Abstract: An automotive weather strip mounted on a flange at the peripheral edge of various openings in a vehicle body such as an automotive door, trunk, and back door includes a weather strip body. The weather strip body includes a coating layer having a hollow seal part, which is made of thermoplastic elastomer, and a core material having a substantially U-shaped cross section, which is made of a hard synthetic resin. A seal pad part made of thermoplastic elastomer is provided on the inner bottom surface of the core material having a substantially U-shaped cross section or on the coating layer provided on the inner bottom surface of the core material having a substantially U-shaped cross section. The seal pad part is formed with a large number of protrusions on the surface thereof facing to a flange.Type: ApplicationFiled: April 1, 2008Publication date: December 4, 2008Inventors: Naohisa Miyakawa, Takashi Hirokawa, Katsuhisa Kato
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Patent number: 7459111Abstract: A method of manufacturing a synthetic resin core material having a substantially U-shaped cross section which is used in are extruded molding product for holding an opening portion of a vehicle body such as a door or a trunk of an automobile comprises the steps of extruding a synthetic resin to form a core material having a substantially U-shaped cross section, moving the U-shaped core material toward a cutting machine, rotating opposed rotors having blade-shaped portions in the cutting machine, and cutting and forming cut portions or cut slot portions on both lateral sides of the U-shaped core material.Type: GrantFiled: May 11, 2006Date of Patent: December 2, 2008Assignees: Tokiwa Chemical Industries Co., Ltd., System Technical Co., Ltd.Inventors: Naohisa Miyakawa, Katsuhisa Kato
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Publication number: 20070237922Abstract: An extrusion molded article for automobiles, having a body portion (1) and a hollow sealing portion (11), where the body portion (1) comprises a core (2) made of a resin having a U-shaped cross-section extending in a longitudinal direction and a covering layer (3) surrounding and covering the core partly or entirely, and the hollow sealing portion (11) is bonded integrally with an outer surface (4) of the body portion, characterized in that the covering layer (3) is made of a thermoplastic elastomer composition having a tensile elongation at break of at least 350%, as determined according to JIS K6251, and a change in 100% modulus of at most 40%, wherein the change in 100% modulus=[(100% modulus at 23° C.?100% modulus at 80° C.)/100% modulus at 23° C.Type: ApplicationFiled: April 4, 2007Publication date: October 11, 2007Applicant: RIKEN TECHNOS CORPORATIONInventors: Naohisa Miyakawa, Hiromasa Sanada, Naoyuki Ono, Tomozo Ogawa
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Publication number: 20060267362Abstract: A method of manufacturing a synthetic resin core material having a substantially U-shaped cross section which is used in are extruded molding product for holding an opening portion of a vehicle body such as a door or a trunk of an automobile comprises the steps of extruding a synthetic resin to form a core material having a substantially U-shaped cross section, moving the U-shaped core material toward a cutting machine, rotating opposed rotors having blade-shaped portions in the cutting machine, and cutting and forming cut portions or cut slot portions on both lateral sides of the U-shaped core material.Type: ApplicationFiled: May 11, 2006Publication date: November 30, 2006Inventors: Naohisa Miyakawa, Katsuhisa Kato
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Patent number: 7044525Abstract: An automotive extrusion-molded product includes a core material (2) having a U-shaped cross section which is made of a hard synthetic resin. The core material has cut portions (7, 8) with various shapes extending in the lengthwise direction. A coating body (3) made of a soft synthetic resin is adhered to the core material so as to cover the core material. The coating body (3) is provided with a pushed-in portion (5) formed integrally with the coating body and extending downward beyond the end portion (4, 4) of the core material so as to be pushed in toward an inner peripheral surface (14) having a U-shape cross section of the core material.Type: GrantFiled: October 20, 2003Date of Patent: May 16, 2006Assignees: Tokiwa Chemical Industries Co., Ltd., System Technical Co., Ltd.Inventors: Naohisa Miyakawa, Katsuhisa Kato
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Publication number: 20050233110Abstract: An extrusion molded product such as a trim, weather strip, and window molding which is used in a vehicle body opening such as a door, trunk and window of an automobile comprises a core material made of a hard synthetic resin and having a substantially U-shaped cross section, and an inner and outer peripheral coating bodies made of a soft synthetic resin and coating the core material. The inner peripheral coating body or outer peripheral coating body is provided with a pushed-in portion extending downward beyond the lower end of the core material so as to be capable of being pushed toward the inside of the core material. The pushed-in portion is provided with holding elements the outer periphery thereof. The inner peripheral coating body is melting adhered to the whole of a part of the inner periphery of the core material, and the outer peripheral coating body is melting adhered to the whole or a part of the outer periphery of the core material.Type: ApplicationFiled: April 15, 2005Publication date: October 20, 2005Inventors: Naohisa Miyakawa, Katsuhisa Kato
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Publication number: 20040081796Abstract: An automotive extrusion-molded product such as a trim, weather strip, and window molding which is used at a vehicle body opening such as an automotive door, trunk, and window of an automobile comprises a core material (2) having a U shape in the cross section which is made of a hard synthetic resin, said core material having cut portions (7, 8) with various shapes and extending in the lengthwise direction and a coating body (3) made of a soft synthetic resin, which is adhered to the core material so as to cover the core material. The coating body (3) is provided with a pushed-in portion (5) which is formed integrally with the coating body and extends downward beyond the end portion (4, 4) of the core material so as to be able to be pushed in toward an inner peripheral surface (14) having a U shape in the cross section of the core material.Type: ApplicationFiled: October 20, 2003Publication date: April 29, 2004Inventors: Naohisa Miyakawa, Katsuhisa Kato
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Publication number: 20020079127Abstract: A coil for erecting cable comprises a coil body (1) formed of a metal wire (2) and of a coated layer (3) of synthetic resin mixed with inorganic powder disposed on the outer circumference of said metal wire (2), wherein said coil body (1) is provided at the outer circumference with spiral torsion portion (6) formed by applying torsion along the longitudinal direction to the cable body (1).Type: ApplicationFiled: December 21, 2001Publication date: June 27, 2002Inventors: Naohisa Miyakawa, Katsuhisa Kato
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Patent number: 6273983Abstract: A molding for a vehicle and its manufacturing method, wherein a molding body excellent in rigidity is formed by a mixture of a hard olefin based resin and powders such as mica, talc, glass fibre, etc., and is coated with a protective film layer of an olefin based resin, excellent in resistance to scuffing and chemicals, on the exposed surface. An intermediate adhesive layer having a thermofusion bond property, which is an olefin based thermoplastic elastomer resin composition, or a styrene based thermoplastic elastomer resin composition, can be sandwiched between the hard olefin based resin of the molding body and olefin based resin of the protective film layer. The molding body, the intermediate adhesive layer if present, and the protective film layer are integrally molded by several extruders and firmly laminated as a whole.Type: GrantFiled: January 13, 1999Date of Patent: August 14, 2001Assignees: Tokiwa Chemical Industries Co., Ltd., System Technical Co., Ltd.Inventors: Naohisa Miyakawa, Katsuhisa Kato
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Patent number: 6217807Abstract: A molding for automobile includes a molding body (1, 25) comprising a vertical supporting portion (2, 26) made of a synthetic resin, a decorative portion (3, 27) made from synthetic resin and integrally connected to the vertical supporting portion (2, 26), and a metal piece (5, 28) embedded in the vertical supporting portion (2, 26) and decorative portion (3, 27), wherein the metal piece (5, 28) is rigidly and integrally joined to the molding body (1, 25) via an adhesive resin layer (6, 29) of a polar group containing thermoplastic resin composition.Type: GrantFiled: March 2, 1999Date of Patent: April 17, 2001Assignees: Tokiwa Chemical Industries, Co., Ltd, System Technical Co., Ltd.Inventors: Naohisa Miyakawa, Katsuhisa Kato
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Patent number: 6218623Abstract: A protective tubular member for an automotive control wire includes a hollow tubular member made of a synthetic resin and a protective film layer joined integrally to the hollow tubular member. The protective film layer is provided with a rough surface portion having irregularities on the exposed surface of the protective film layer.Type: GrantFiled: February 24, 1999Date of Patent: April 17, 2001Assignees: Tokiwa Chemical Industries Co., Ltd., System Technical Co., Ltd.Inventors: Naohisa Miyakawa, Katsuhisa Kato
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Patent number: 5447671Abstract: An edging member for a window glass of an automobile door is provided with a plurality of contacting surfaces against which window glass is contacted. Each contacting surface is provided with a rough contacting layer respectively including a synthetic resin prepared by mixing large and small particles or grains of materials having different melting points, such as nylon, urethane, fluoro-resin and polyolefin resin, polystyrene resin and the like. The rough contacting layer is extruded simultaneously with the extrusion molding of the edging member.Type: GrantFiled: October 28, 1993Date of Patent: September 5, 1995Assignees: Tokiwa Chemical Industries & Co., Ltd., Masuzawa Chemical Sales, Co., Ltd., System Technical Co., Ltd.Inventors: Katsuhisa Kato, Naohisa Miyakawa, Minoru Masuzawa