Patents by Inventor Takashi Tsuruta
Takashi Tsuruta 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: 8541321Abstract: A copolymerized polyether polyamide resin for coating on or for impregnation to a woven or knitted fabric, wherein elongation and elastic modulus of the copolymerized polyether polyamide resin are not less than 1000% and not more than 15 MPa, respectively. The copolymerized polyether polyamide resin has a constitution wherein said copolymerized polyether polyamide resin is such that a soft segment comprising a polyether polyamide constituted from a polyether diamine compound and a dicarboxylic acid compound is bonded to a hard segment comprising a polyamide constituted from an aminocarboxylic acid compound and/or a lactam compound.Type: GrantFiled: October 16, 2008Date of Patent: September 24, 2013Assignee: Toyo Boseki Kabushiki KaishaInventors: Hiroaki Hagiwara, Kenichiro Kano, Gaku Maruyama, Takahiro Hattori, Takashi Tsuruta
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Publication number: 20120286810Abstract: An object of the present invention is to accurately detect concentrations of mixtures in a fluid. An internal electrode 23 is disposed on the inner side of an external electrode 22 coaxially with the external electrode 22, and a plurality of points in the length direction of the internal electrode 23 are supported by a casing 21 via supporting members 28a and 28b. The state of a fluid S passing through a passage 26 between the external electrode 22 and the internal electrode 23 is detected based on electrostatic capacitance between the external electrode 22 and the internal electrode 23.Type: ApplicationFiled: May 8, 2012Publication date: November 15, 2012Applicant: PANASONIC CORPORATIONInventors: Takashi TSURUTA, Kazuhiro NISHIKAWA, Koichi KUBOTA, Takuto SHIBAYAMA
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Patent number: 7994076Abstract: A fabric for an airbag includes a synthetic fiber woven fabric in which at least one side thereof is coated with a synthetic resin. A range of 0.1 to 10 g/m2 of the synthetic resin is adhered to the synthetic fiber woven fabric having a cover factor of less than 2000 and a FR value of 55% or more. Air permeability of the fabric under a pressure difference of 100 kPa after adhesion is 0.01 to 1.00 L/cm2/min. The synthetic resin can be a polyamide-based resin having a soft segment comprising a polyol with a number average molecular weight of 100 to 5000.Type: GrantFiled: October 16, 2008Date of Patent: August 9, 2011Assignee: Toyo Boseki Kabushiki KaishaInventors: Kenichiro Kano, Takashi Tsuruta, Hideo Isoda, Hiroaki Hagiwara, Gaku Maruyama, Takahiro Hattori
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Patent number: 7985702Abstract: A woven fabric for an airbag includes a synthetic fiber woven fabric having a cover factor of 2000 to 2500 in which at least one side thereof is coated with a synthetic resin. Air permeability of the woven fabric under a pressure difference of 100 kPa is 0.01 to 1.00 L/cm2/min. A resin film is present at an upper part of a single yarn at a thickness of 2 ?m or less on a central cross section of a weaving yarn part. A resin film is present at an upper part of a single yarn at a thickness of 2 to 30 ?m on a cross section at a border between weaving yarn parts. The synthetic resin can be a polyamide-based resin that includes a polyether compound of a number average molecular weight of 100 to 5000 as a soft segment.Type: GrantFiled: October 16, 2008Date of Patent: July 26, 2011Assignee: Toyo Boseki Kabushiki KaishaInventors: Kenichiro Kano, Takashi Tsuruta, Mamoru Kitamura, Hideo Isoda, Hiroaki Hagiwara, Gaku Maruyama, Takahiro Hattori
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Publication number: 20110097956Abstract: An object of the present invention is to provide a fabric for an airbag which is of low cost, is excellent in accommodability, and has air permeability satisfying the human body initial constraining performance. The present invention provides a fabric for an airbag comprising a synthetic fiber woven fabric in which at least one side thereof is coated with a synthetic resin, characterized in that a range of 0.1 to 10 g/m2 of a synthetic resin is adhered to the synthetic fiber woven fabric having a cover factor represented by the equation 1 of less than 2000 and FR represented by the equation 2 of 55% or more, and air permeability of the fabric under a pressure difference of 100 kPa after adhesion is 0.01 to 1.00 L/cm2/min.Type: ApplicationFiled: December 29, 2010Publication date: April 28, 2011Applicant: Toyo Boseki Kabushiki KaishaInventors: Kenichiro Kano, Takashi Tsuruta, Hideo Isoda, Hiroaki Hagiwara, Gaku Maruyama, Takahiro Hattori
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Publication number: 20110097955Abstract: An object of the present invention is to provide a woven fabric for an airbag which is of low cost, is excellent in accommodability, and has air permeability satisfying the human body initial constraining performance. The present invention provides a woven fabric for an airbag comprising a synthetic fiber woven fabric having a cover factor represented by the equation 1 of 2000 to 2500 in which at least one side thereof is coated with a synthetic resin, wherein air permeability of the woven fabric under a pressure difference of 100 kPa is 0.01 to 1.00 L/cm2/min, and a resin film is present at an upper part of a single yarn at a thickness of 2 ?m or less on a central cross section of a weaving yarn part, while a resin film is present at an upper part of a single yarn at a thickness of 2 to 30 ?m on a cross section at a border between weaving yarn parts.Type: ApplicationFiled: December 29, 2010Publication date: April 28, 2011Applicant: Toyo Boseki Kabushiki KaishaInventors: Kenichiro Kano, Takashi Tsuruta, Mamoru Kitamura, Hideo Isoda, Hiroaki Hagiwara, Gaku Maruyama, Takahiro Hattori
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Publication number: 20110014833Abstract: An object of the present invention is to provide a copolymerized polyether polyamide resin for coating on or for impregnation to a woven or knitted fabric, which resin further enhances slippage resistance and tear strength affecting the developing property of an airbag which is one of the automobile safety parts, as compared with those in the prior art. According to the present invention, a copolymerized polyether polyamide resin for coating on or for impregnation to a woven or knitted fabric is provided, characterized in that, elongation and elastic modulus of the copolymerized polyether polyamide resin are not less than 1000% and not more than 15 MPa, respectively.Type: ApplicationFiled: October 16, 2008Publication date: January 20, 2011Applicant: Toyo Boseki Kabushiki KaishaInventors: Hiroaki Hagiwara, Kenichiro Kano, Gaku Maruyama, Takahiro Hattori, Takashi Tsuruta
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Publication number: 20100282358Abstract: An object of the present invention is to provide a fabric for an airbag which is of low cost, is excellent in accommodability, and has air permeability satisfying the human body initial constraining performance. The present invention provides a fabric for an airbag comprising a synthetic fiber woven fabric in which at least one side thereof is coated with a synthetic resin, characterized in that a range of 0.1 to 10 g/m2 of a synthetic resin is adhered to the synthetic fiber woven fabric having a cover factor represented by the equation 1 of less than 2000 and FR represented by the equation 2 of 55% or more, and air permeability of the fabric under a pressure difference of 100 kPa after adhesion is 0.01 to 1.00 L/cm2/min.Type: ApplicationFiled: October 16, 2008Publication date: November 11, 2010Applicant: Toyo Baseki Kabushiki KaishaInventors: Kenichiro Kano, Takashi Tsuruta, Hideo Isoda, Hiroaki Hagiwara, Gaku Maruyama, Takahiro Hattori
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Patent number: 7795161Abstract: A fabric for airbags which comprises a synthetic fiber woven fabric and synthetic thermoplastic resin applied on at least one side of the synthetic fiber woven fabric, characterized in that, by applying the synthetic thermoplastic resin, both edgecomb resistance and tear strength of the synthetic fiber woven fabric become 1.3 times or more as large as respective values of the synthetic fiber woven fabric before applying the synthetic thermoplastic resin. Preferably, the fabric for airbags has low air permeability and self-extinguishing property, and is capable of being repelletized with ease.Type: GrantFiled: June 5, 2007Date of Patent: September 14, 2010Assignee: Toyo Boseki Kabushiki KaishaInventors: Kenichiro Kano, Takashi Tsuruta, Hideo Isoda
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Publication number: 20090247030Abstract: To provide at a low cost a fabric for airbags, one of safety devices for automobiles, in which both edgecomb resistance and tear strength (factors affecting inflating properties of an airbag) are improved. Preferably, to provide a fabric for airbags which is capable of being recycled as easily as an uncoated fabric and a fabric for airbags which has self-extinguishing property. A fabric for airbags which comprises a synthetic fiber woven fabric and synthetic thermoplastic resin applied on at least one side of the synthetic fiber woven fabric, characterized in that, by applying the synthetic thermoplastic resin, both edgecomb resistance and tear strength of the synthetic fiber woven fabric become 1.3 times or more as large as respective values of the synthetic fiber woven fabric before applying the synthetic thermoplastic resin. Preferably, the fabric for airbags has low air permeability and self-extinguishing property, and is capable of being repelletized with ease.Type: ApplicationFiled: June 5, 2007Publication date: October 1, 2009Applicant: TOYO BOSEKI KABUSHIKI KAISHAInventors: Kenichiro Kano, Takashi Tsuruta, Hideo Isoda
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Patent number: 7179752Abstract: A dry etching method involves plasma etching an organic anti-reflecting coating film through a mask layer made of photoresist and having a predetermined pattern by using an etching gas of CF4 and O2. The method allows an organic anti-reflecting coating film to be etched such that the etched film exhibits a side wall portion having a better shape as compared with that formed by a conventional technique.Type: GrantFiled: July 5, 2002Date of Patent: February 20, 2007Assignee: Tokyo Electron LimitedInventors: Akitaka Shimizu, Takashi Tsuruta, Takashi Enomoto, Hiromi Oka, Akiteru Koh
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Publication number: 20040214445Abstract: A dry etching method involving etching an organic antireflection film 104 through a mask layer 105 having a predetermined pattern, characterized in that the organic antireflection film is etched by the plasma etching using an etching gas comprising CF4 and O2. The method allows an organic antireflection film to be etched in such a manner that the etched film exhibits a sidewall portion having a better shape as compared to that formed by a conventional technique.Type: ApplicationFiled: May 18, 2004Publication date: October 28, 2004Inventors: Akitaka Shimizu, Takashi Tsuruta, Takashi Enomoto, Hiromi Oka, Akiteru Koh