Patents by Inventor Syoji Oda
Syoji Oda 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: 9023534Abstract: The present invention provides a fiber having a nano-order fiber diameter, which is produced by without a process of dehydration and cyclization by a heat treatment after fiber spinning and has excellent heat resistance and mechanical strength, and a non-woven fabric composed of the fiber, and discloses the polyamide-imide fiber and the non-woven fabric having an average fiber diameter of from 0.001 ?m to 1 ?m and also discloses the process for producing threrof. The present invention also provides a separator for an electronic component which has a high conductivity and a small separator thickness and is improved in safety during reflow soldering or short-circuiting, and discloses the separator composed of a non-woven fabric obtained by an electro-spinning method.Type: GrantFiled: July 27, 2006Date of Patent: May 5, 2015Assignee: Toyo Boseki Kabushiki KaishaInventors: Masahiko Nakamori, Yasuo Ohta, Hisato Kobayashi, Syoji Oda, Nobuyuki Taniguchi, Daisuke Sakura, Katsuya Shimeno
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Publication number: 20110138516Abstract: The present invention provides a highly functional polyethylene fiber which has excellent heat-retaining property and cut resistance, and is further excellent in productivity and process passability in subsequent processes, a covered elastic yarn, woven/knitted textiles, and gloves using the highly functional polyethylene fiber. A polyethylene fiber of the present invention comprises a polyethylene, wherein a repeating unit of the polyethylene is substantially ethylene, and the polyethylene fiber has a weight average molecular weight (Mw) of 50,000 to 300,000, a ratio (Mw/Mn) of the weight average molecular weight to a number average molecular weight (Mn) of less than or equal to 4.0, and a gel fraction of 100 ppm or more and 10,000 ppm or less, or a zero shear viscosity in a molten state at 190° C. of ranging from 8,000 (Pa·s) to 300,000 (Pa·s).Type: ApplicationFiled: August 20, 2009Publication date: June 16, 2011Applicant: Toyo Boseki Kabushiki KaishaInventors: Yasunori Fukushima, Syoji Oda, Minoru Masuda
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Publication number: 20100151333Abstract: The present invention provides a fiber having a nano-order fiber diameter, which is produced by without a process of dehydration and cyclization by a heat treatment after fiber spinning and has excellent heat resistance and mechanical strength, and a non-woven fabric composed of the fiber, and discloses the polyamide-imide fiber and the non-woven fabric having an average fiber diameter of from 0.001 ?m to 1 ?m and also discloses the process for producing threrof. The present invention also provides a separator for an electronic component which has a high conductivity and a small separator thickness and is improved in safety during reflow soldering or short-circuiting, and discloses the separator composed of a non-woven fabric obtained by an electro-spinning method.Type: ApplicationFiled: July 27, 2006Publication date: June 17, 2010Inventors: Masahiko Nakamori, Yasuo Ohta, Hisato Kobayashi, Syoji Oda, Nobuyuki Taniguchi, Daisuke Sakura, Katsuya Shimeno
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Patent number: 7736564Abstract: A filament having excellent incision resistance includes as a primary component a polyethylene filament having a weight-average molecular weight of 300,000 or less and a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) of 4.0 or less as determined in the state of a filament as well as a modulus of 500 cN/dtex or more. This filament is useful to produce a fabric excellent in incision resistance, a fibrous material for reinforcing mortar or concrete, and a rope, each of which comprises the filament. The filament can be produced by drawing a non-drawn polyolefin filament which comprises a polyethylene having a weight-average molecular weight of 60,000-600,000, a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) of 4.5 or less, and a rate of birefringence (?n) of 0.008 or more, at a temperature not higher than the ?-relaxation temperature of the non-drawn filament.Type: GrantFiled: March 20, 2007Date of Patent: June 15, 2010Assignee: Toyo Boseki Kabushiki KaishaInventors: Godo Sakamoto, Syoji Oda, Hiroki Murase
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Publication number: 20070190321Abstract: A filament having excellent incision resistance includes as a primary component a polyethylene filament having a weight-average molecular weight of 300,000 or less and a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) of 4.0 or less as determined in the state of a filament as well as a modulus of 500 cN/dtex or more. This filament is useful to produce a fabric excellent in incision resistance, a fibrous material for reinforcing mortar or concrete, and a rope, each of which comprises the filament. The filament can be produced by drawing a non-drawn polyolefin filament which comprises a polyethylene having a weight-average molecular weight of 60,000-600,000, a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) of 4.5 or less, and a rate of birefringence (?n) of 0.008 or more, at a temperature not higher than the ?-relaxation temperature of the non-drawn filament.Type: ApplicationFiled: March 20, 2007Publication date: August 16, 2007Applicant: Toyo Boseki Kabushiki KaishaInventors: Godo Sakamoto, Syoji Oda, Hiroki Murase
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Patent number: 7247372Abstract: The invention relates to a filament excellent in incision resistance comprising as a primary component a polyethylene filament having a weight-average molecular weight of 300,000 or less and a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) of 4.0 or less as determined in the state of a filament as well as a modulus of 500 cN/dtex or more, and to a fabric excellent in incision resistance, a fibrous material for reinforcing cement mortar or concrete, and a rope, each of which comprises the filament. The filament can be produced by drawing a non-drawn polyolefin filament which comprises a polyethylene having a weight-average molecular weight of 60,000-600,000, a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) of 4.5 or less, and a rate of birefringence (?n) of 0.008 or more, at a temperature not higher than the ?-relaxation temperature of said non-drawn filament.Type: GrantFiled: April 4, 2003Date of Patent: July 24, 2007Assignee: Toyo Boseki Kabushiki KaishaInventors: Godo Sakamoto, Syoji Oda, Hiroki Murase
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Patent number: 7141301Abstract: A high strength polyethylene filament, wherein said filament has a fineness of 1.5 dtex or less as a monofilament, a tensile strength of 15 cN/dtex or more and a tensile elastic modulus of 300 cN/dtex or more, and, the rate of dispersion-defective fibers cut from the filament is 2% or less, is disclosed, and a high strength polyethylene filament, wherein said filament has a tensile strength of 15 cN/dtex or more and a tensile elastic modulus of 300 cN/dtex or more, and, a long period structure of 100 ? or less is observed in an X-ray small angle scattering pattern is disclosed.Type: GrantFiled: April 15, 2005Date of Patent: November 28, 2006Assignee: Toyo Boseki Kabushiki KaishaInventors: Godo Sakamoto, Tooru Kitagawa, Syoji Oda, Yasuo Ohta
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Patent number: 7056579Abstract: A high strength polyethylene filament having tenacity of at least 15 cN/dTex, which comprises a polyethylene having a weight-average molecular weight of 300,000 or less and a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) of 4.0 or less as determined in a state of the filament, and containing 0.01 to 3.0 branched chains per 1,000 backbone carbon atoms. When cut fibers are obtained by cutting the polyethylene filament, a rate of dispersion-defective fibers is 2.0% or less.Type: GrantFiled: August 2, 2002Date of Patent: June 6, 2006Assignee: Toyo Boseki Kabushiki KaishaInventors: Godo Sakamoto, Syoji Oda, Yoshihiko Teramoto
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Publication number: 20050238875Abstract: A high strength polyethylene filament, wherein said filament has a fineness of 1.5 dtex or less as a monofilament, a tensile strength of 15 cN/dtex or more and a tensile elastic modulus of 300 cN/dtex or more, and, the rate of dispersion-defective fibers cut from the filament is 2% or less, is disclosed, and a high strength polyethylene filament, wherein said filament has a tensile strength of 15 cN/dtex or more and a tensile elastic modulus of 300 cN/dtex or more, and, a long period structure of 100 ? or less is observed in an X-ray small angle scattering pattern is disclosed.Type: ApplicationFiled: April 15, 2005Publication date: October 27, 2005Applicant: Toyo Boseki Kabushiki KaishaInventors: Godo Sakamoto, Tooru Kitagawa, Syoji Oda, Yasuo Ohta
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Publication number: 20050118418Abstract: The invention relates to a filament excellent in incision resistance comprising as a primary component a polyethylene filament having a weight-average molecular weight of 300,000 or less and a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) of 4.0 or less as determined in the state of a filament as well as a modulus of 500 cN/dtex or more, and to a fabric excellent in incision resistance, a fibrous material for reinforcing cement mortar or concrete, and a rope, each of which comprises the filament. The filament can be produced by drawing a non-drawn polyolefin filament which comprises a polyethylene having a weight-average molecular weight of 60,000-600,000, a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) of 4.5 or less, and a rate of birefringence (?n) of 0.008 or more, at a temperature not higher than the ?-relaxation temperature of said non-drawn filament.Type: ApplicationFiled: April 4, 2003Publication date: June 2, 2005Applicant: TOYO BOSEKI KABUSHIKE KAISHAInventors: Godo Sakamoto, Syoji Oda, Hiroki Murase
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Patent number: 6899950Abstract: A high strength polyethylene filament, wherein said filament has a fineness of 1.5 dtex or less as a monofilament, a tensile strength of 15 cN/dtex or more and a tensile elastic modulus of 300 cN/dtex or more, and, the rate of dispersion-defective fibers cut from the filament is 2% or less, is disclosed, and a high strength polyethylene filament, wherein said filament has a tensile strength of 15 cN/dtex or more and a tensile elastic modulus of 300 cN/dtex or more, and, a long period structure of 100 ? or less is observed in an X-ray small angle scattering pattern is disclosed.Type: GrantFiled: December 7, 2001Date of Patent: May 31, 2005Assignee: Toyo Boseki Kabushiki KaishaInventors: Godo Sakamoto, Tooru Kitagawa, Syoji Oda, Yasuo Ohta
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Publication number: 20050003182Abstract: A high strength polyethylene filament having tenacity of at least 15 cN/dTex, which comprises a polyethylene having a weight-average molecular weight of 300,000 or less and a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) of 4.0 or less as determined in a state of the filament, and containing 0.01 to 3.0 branched chains per 1,000 backbone carbon atoms. When cut fibers are obtained by cutting the polyethylene filament, a rate of dispersion-defective fibers is 2.0% or less.Type: ApplicationFiled: August 2, 2002Publication date: January 6, 2005Inventors: Godo Sakamoto, Syoji Oda, Yoshihiko Teramoto
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Publication number: 20040062926Abstract: A high strength polyethylene filament, wherein said filament has a fineness of 1.5 dtex or less as a monofilament, a tensile strength of 15 cN/dtex or more and a tensile elastic modulus of 300 cN/dtex or more, and, the rate of dispersion-defective fibers cut from the filament is 2% or less, is disclosed, and a high strength polyethylene filament, wherein said filament has a tensile strength of 15 cN/dtex or more and a tensile elastic modulus of 300 cN/dtex or more, and, a long period structure of 100 Å or less is observed in an X-ray small angle scattering pattern is disclosed.Type: ApplicationFiled: October 15, 2003Publication date: April 1, 2004Inventors: Godo Sakamoto, Tooru Kitagawa, Syoji Oda, Yasuo Ohta
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Patent number: 6445973Abstract: A screen shifting method in a numerical control apparatus which includes a personal computer, comprising the steps of registering screen display processing libraries DLL; reading out all of the registered screen display processing libraries DLL when starting a screen shift execution program into a memory managed by an OS; managing the location of each of the screen display processing libraries DLL with a screen management table according to a discrete ID code; accepting a screen shift request when the screen shift execution program MMI application main module has been started and selecting a required screen display processing library DLL corresponding to the specified ID code from data in the screen management table; and executing screen shift according to the selected screen display processing library DLL.Type: GrantFiled: September 17, 1999Date of Patent: September 3, 2002Assignee: Mitsubishi Denki Kabushuki KaishaInventors: Masakazu Sagasaki, Syoji Oda