Patents by Inventor Hideo Isoda
Hideo Isoda 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: 10583043Abstract: The present invention relates to a backing having a three-layer structure prepared by sticking together an inner fiber layer for holding a pasty preparation, a film layer having through-holes, and an air-permeable outer fiber layer which prevents leaking out of the pasty preparation or a liquid component exuded from the pasty preparation, and also relates to an aqueous patch using the backing which can be applied for a long time.Type: GrantFiled: July 11, 2011Date of Patent: March 10, 2020Assignees: TEIKOKU SEIYAKU CO., LTD., TOYOBO CO., LTD.Inventors: Sadanobu Shirai, Masahiro Inazuki, Miho Ishigure, Hideo Isoda, Hiroyuki Sakamoto, Takashi Koida, Hiroyasu Sakaguchi
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Patent number: 9884030Abstract: The present invention relates to a backing for a water-based patch consisting of the following constituents, wherein the backing is excellent in pasty preparation retention and moisture retention, improves the persistence of drug efficacy by inhibiting the sublimation of the drug, gives neither restrained feeling nor rough feeling due to a thin thickness and an excellent elasticity, controls the moisture permeability, gives almost no sticky feeling and thereby gives an excellent feeling in application. A patch backing for a water-based pasty preparation consisting of a laminate, wherein the laminate consists of three layers, a film layer having through-holes is laminated between a nonwoven fabric layer A and a nonwoven fabric layer B, said film layer consists of a resin containing an olefin elastomer, the through-hole area per a hole is 0.02-0.18 mm2, and the opening ratio of the through-hole is 1-10%.Type: GrantFiled: July 11, 2011Date of Patent: February 6, 2018Assignees: TOYOBO CO., LTD., TEIKOKU SEIYAKU CO., LTD.Inventors: Hideo Isoda, Hiroyuki Sakamoto, Takashi Koida, Hiroyasu Sakaguchi, Sadanobu Shirai, Masahiro Inazuki, Miho Ishigure
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Publication number: 20130164495Abstract: The present invention relates to a backing for a water-based patch consisting of the following constituents, wherein the backing is excellent in pasty preparation retention and moisture retention, improves the persistence of drug efficacy by inhibiting the sublimation of the drug, gives neither restrained feeling nor rough feeling due to a thin thickness and an excellent elasticity, controls the moisture permeability, gives almost no sticky feeling and thereby gives an excellent feeling in application. A patch backing for a water-based pasty preparation consisting of a laminate, wherein the laminate consists of three layers, a film layer having through-holes is laminated between a nonwoven fabric layer A and a nonwoven fabric layer B, said film layer consists of a resin containing an olefin elastomer, the through-hole area per a hole is 0.02-0.18 mm2, and the opening ratio of the through-hole is 1-10%.Type: ApplicationFiled: July 11, 2011Publication date: June 27, 2013Applicant: TOYOBO CO., LTD.Inventors: Hideo Isoda, Hiroyuki Sakamoto, Takashi Koida, Hiroyasu Sakaguchi, Sadanobu Shirai, Masahiro Inazuki, Miho Ishigure
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Publication number: 20130138057Abstract: The present invention relates to a backing having a three-layer structure prepared by sticking together an inner fiber layer for holding a pasty preparation, a film layer having through-holes, and an air-permeable outer fiber layer which prevents leaking out of the pasty preparation or a liquid component exuded from the pasty preparation, and also relates to an aqueous patch using the backing which can be applied for a long time.Type: ApplicationFiled: July 11, 2011Publication date: May 30, 2013Applicants: TOYOBO CO., LTD., TEIKOKU SEIYAKU CO., LTD.Inventors: Sadanobu Shirai, Masahiro Inazuki, Miho Ishigure, Hideo Isoda, Hiroyuki Sakamoto, Takashi Koida, Hiroyasu Sakaguchi
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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: 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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Publication number: 20100260976Abstract: 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: October 16, 2008Publication date: October 14, 2010Applicant: Toyo Boseki Kabushiki KaishaInventors: Kenichiro Kano, Takashi Tsunuta, Mamoru Kitamura, 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: 5639543Abstract: A cushioning net structure having an apparent density of 0.005-0.20 g/cm.sup.3, which comprises three-dimensional random loops bonded with one another, wherein the loops are formed by allowing continuous fibers of 300 denier or more mainly comprising a thermoplastic elastomer to bend to come in contact with one another in a molten state and to be heat-bonded at most contact points, and a method for producing the net structure. The structure of the invention can provide unstuffy cushions superior in heat resistance, durability and cushioning property. The cushioning structure is advantageous in that it can be easily recycled.Type: GrantFiled: February 25, 1994Date of Patent: June 17, 1997Assignee: Toyo Boseki Kabushiki KaishaInventors: Hideo Isoda, Takashi Nishida
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Patent number: 5593525Abstract: There is disclosed a structured fiber material with a three-dimensional network structure containing non-elastic crimped short fibers (A) and three-dimensionally crimped composite fibers (B), the fibers (B) being partially interlocked with each other, in which contact portions the fibers (B) are partially heat-bonded with each other; the fibers (B) being partially wound around the fibers (A) at their contact points, in which contact portions the fibers (A) and (B) are partially heat-bonded with each other; and the material having an apparent density of 0.005 to 0.10 g/cm.sup.3. Also disclosed is a process for producing the structured fiber material.Type: GrantFiled: May 8, 1995Date of Patent: January 14, 1997Assignee: Toyo Boseki Kabushiki KaishaInventors: Hideo Isoda, Tadaaki Hamaguchi, Mitsuhiro Sakuda, Yasushi Yamada
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Patent number: 5462793Abstract: There is disclosed a structured fiber material with a three-dimensional network structure containing non-elastic crimped short fibers (A) and three-dimensionally crimped composite fibers (B), the fibers (B) being partially interlocked with each other, in which contact portions the fibers (B) are partially heat-bonded with each other; the fibers (B) being partially wound around the fibers (A) at their contact points, in which contact portions the fibers (A) and (B) are partially heat-bonded with each other; and the material having an apparent density of 0.005 to 0.10 g/cm.sup.3. Also disclosed is a process for producing the structured fiber material.Type: GrantFiled: December 20, 1993Date of Patent: October 31, 1995Assignee: Toyo Boseki Kabushiki KaishaInventors: Hideo Isoda, Tadaaki Hamaguchi, Mitsuhiro Sakuda, Yasushi Yamada
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Patent number: 5298321Abstract: A recyclable vehicular cushioning material which is thermoformed from a web composed of three-dimensionally crimped polyester fiber having a fineness lower than 45 denier per filament and an initial tensile strength (IS) higher than 30 g/d and heat-bonding fiber containing polyester elastomer, as heat-bonding component, which are mixed and dispersed and, if necessary, interlaced, said cushioning material having a layer whose bulk density is 0.02-0.06 g/cm.sup.3.Type: GrantFiled: July 2, 1992Date of Patent: March 29, 1994Assignee: Toyo Boseki Kabushiki KaishaInventors: Hideo Isoda, Mitsuhiro Sakuda, Yoshihiro Amagi, Kenji Tanaka, Kunio Kimura, Michio Kobayashi, Tadaaki Hamaguchi, Seiji Sawahara