Patents Assigned to Komatsu Seiren Co., Ltd.
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Publication number: 20160326323Abstract: A fiber-reinforced resin material includes a thermoplastic resin and a bundle of reinforced fibers arranged in one direction, the thermoplastic resin being a reactive resin. The thermoplastic resin may be an epoxy resin. The reinforced fibers may be carbon fibers. A molded fiber-reinforced resin body is obtained using the fiber-reinforced resin material. The molded fiber-reinforced resin body may be formed by the application of heat and pressure.Type: ApplicationFiled: January 8, 2015Publication date: November 10, 2016Applicant: KOMATSU SEIREN CO., LTD.Inventors: Yutaka HAYASHI, Taketoshi NAKAYAMA, Hiroyuki YAMADA, Honami NODA
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Patent number: 9403720Abstract: A porous ceramic for which any decrease in water permeability can be suppressed over a long period of time. A porous ceramic is composed of a porous ceramic sintered body produced by molding and sintering a mixture containing a clay, wherein a surface portion of the porous ceramic sintered body has been removed by grinding. The mixture preferably contains a foaming agent.Type: GrantFiled: November 30, 2012Date of Patent: August 2, 2016Assignee: KOMATSU SEIREN CO., LTD.Inventors: Teruhiro Okuya, Yutaka Hayashi, Kohsuke Togashi, Akihisa Kaneda, Takeshi Ohta
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Publication number: 20150299060Abstract: To solve problems of perlite, zeolite and vermiculite which have been conventionally used as soil improving materials, and to provide a soil improving material which has excellent water retaining properties and is well-drained to retain air in a soil to thus make a soil suitable for plant growth, and a culture soil containing the soil improving material. The soil improving material of the invention includes porous ceramic particles having a moisture content of 5 vol % or greater at a pF value of not more than 2.7. The particles preferably have a water retaining ratio of 15% or greater. The particles preferably have a saturated hydraulic conductivity of 0.1 cm/s or greater.Type: ApplicationFiled: November 6, 2013Publication date: October 22, 2015Applicant: KOMATSU SEIREN CO., LTD.Inventors: Teruhiro OKUYA, Kohsuke TOGASHI, Akihisa KANEDA, Takeshi OHTA
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Publication number: 20140020187Abstract: A method for manufacturing a fiber fabric having a hard handle is provided without using, in particular, thick yarns, manufacturing a fabric in the high density which increases loads at stages of composing and organizing the fabric, or performing resin treatment for hard finishing. The method includes performing treatment on a fabric mainly including nylon fibers with a treatment liquid containing benzyl alcohol.Type: ApplicationFiled: September 9, 2011Publication date: January 23, 2014Applicant: Komatsu Seiren Co., Ltd.Inventors: Yasuharu Takagi, Kazuhiro Yonezawa, Makoto Koizumi
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Publication number: 20130330530Abstract: The present invention provides a porous ceramic sintered body suitable for plant growth and with a high cooling effect. The present invention relates to a porous ceramic sintered body including a pore volume, which is the total volume of pores with a diameter of 3 nm to 360 ?m, of 0.2 cm3/g or larger and including a micropore volume ratio of 30% by volume or more, in which the micropore volume ratio equals to the total volume of pores with a diameter equal to or greater than 0.01 ?m and less than 1 ?m divided by the pore volume.Type: ApplicationFiled: September 14, 2011Publication date: December 12, 2013Applicant: KOMATSU SEIREN CO., LTD.Inventors: Teruhiro Okuya, Kazuya Onishi
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Patent number: 8421351Abstract: The present invention provides a thin organic EL element that can maintain stable emission characteristics for a long time without being affected by water or oxygen. Specifically, the present invention provides an organic EL display panel having a substrate (1), an organic EL element (2) formed on the substrate; and a case (3) encapsulating the organic EL element, wherein a specific hot melt-type member is arranged between the organic EL element and the case.Type: GrantFiled: April 12, 2007Date of Patent: April 16, 2013Assignee: Komatsu Seiren Co., Ltd.Inventors: Shigeo Kanazawa, Konosuke Uozumi, Taketoshi Nakayama, Toshie Isono, Yohei Kawaguchi
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Patent number: 8072138Abstract: An organic semiconductor element part formed on a substrate is covered with a planarizing layer, a radiator plate is fixed with an adhesive layer on the planarizing layer, and a shield layer intercepting the adverse effects exerted on the organic semiconductor element part during the curing of the adhesive layer is formed between the adhesive layer and the planarizing layer. When the adhesive layer is a photo-curing adhesive layer, the shield layer prefers to intercept the light used for curing the photo-curing adhesive layer. When the adhesive layer is a thermosetting adhesive layer, the shield layer prefers to intercept the outgassing occurring during the curing of the thermosetting adhesive layer. By adopting this configuration, it is made possible to accomplish infallible interception of oxygen and moisture and effect radiation of heat with high efficiency.Type: GrantFiled: June 10, 2005Date of Patent: December 6, 2011Assignees: Japan Science and Technology Agency, Komatsu Seiren Co., Ltd.Inventors: Tsuyoshi Masuda, Tadaoki Mitani, John Rennie, Kounosuke Uozumi
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Publication number: 20090174304Abstract: The present invention provides a thin organic EL element that can maintain stable emission characteristics for a long time without being affected by water or oxygen. Specifically, the present invention provides an organic EL display panel having a substrate (1), an organic EL element (2) formed on the substrate; and a case (3) encapsulating the organic EL element, wherein a specific hot melt-type member is arranged between the organic EL element and the case.Type: ApplicationFiled: April 12, 2007Publication date: July 9, 2009Applicant: KOMATSU SEIREN CO., LTD.Inventors: Shigeo Kanazawa, Konosuke Uozumi, Taketoshi Nakayama, Toshie Isono, Yohei Kawaguchi
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Publication number: 20090061172Abstract: Provided is a urethane resin composition for a moisture-permeable waterproof sheet which has excellent moisture permeability, waterproofness, chemical-resistance to insecticide, an organic solvent, etc., and superior durability, a moisture-permeable waterproof sheet, and a method of manufacturing the same. The polyurethane resin composition for a moisture-permeable waterproof sheet includes a hydrophilic polyurethane resin (A), organic polyisocyanate (B) having polyisocyanate (B0) with a functional number of 3 or more, and an organic solvent (C). Further, the hydrophilic polyurethane resin (A) includes high-molecular diol (d) having an oxyethylene group, organic diisocyanate (e), and a chain extender (f), and a content of an oxyethylene group is preferably 10 to 80 mass %. Also, the organic polyisocyanate (B) is at least one selected from the group consisting of aliphatic polyisocyanate and alicyclic polyisocyanate which have an average functional number of from 2.3 to 5.Type: ApplicationFiled: January 26, 2006Publication date: March 5, 2009Applicants: KOMATSU SEIREN CO., LTD., SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Yutaka Hayashi, Junsho Kanenori, Yukichi Izumi, Yoshio Kobayashi, Hiroyuki Ogawa
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Patent number: 7459860Abstract: An organic electroluminescence element having a thin film of organic compound containing at least a light-emitting layer interposed between an anode and a cathode is disclosed. This element is driven by utilizing the sheet resistance of the anode or the cathode in a manner such that the distribution of brightness or color in a single light-emitting plane is modulated with the elapse of time. For example, at least either of the anode and the cathode is furnished with not less than two connecting parts, voltages are applied severally to the connecting parts, and at least one of the factors, i.e. amplitude, frequency, phase, and offset of the voltage applied to each of the connecting parts is modulated. As a result, a completely novel organic electroluminescence element that is capable of causing the brightness and the color to be so modulated as to induce waving in a single light-emitting plane can be realized.Type: GrantFiled: June 10, 2005Date of Patent: December 2, 2008Assignees: Japan Science and Technology Agency, Komatsu Seiren Co., Ltd.Inventors: Tsuyoshi Masuda, Tadaoki Mitani, John Rennie, Kounosuke Uozumi
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Publication number: 20080042582Abstract: An organic electroluminescence element having a thin film of organic compound containing at least a light-emitting layer interposed between an anode and a cathode is disclosed. This element is driven by utilizing the sheet resistance of the anode or the cathode in a manner such that the distribution of brightness or color in a single light-emitting plane is modulated with the elapse of time. For example, at least either of the anode and the cathode is furnished with not less than two connecting parts, voltages are applied severally to the connecting parts, and at least one of the factors, i.e. amplitude, frequency, phase, and offset of the voltage applied to each of the connecting parts is modulated. As a result, a completely novel organic electroluminescence element that is capable of causing the brightness and the color to be so modulated as to induce waving in a single light-emitting plane can be realized.Type: ApplicationFiled: June 10, 2005Publication date: February 21, 2008Applicants: JAPAN SCIENCE AND TECHNOLOGY AGENCY, Tsuyoshi Masuda, Tadaoki Mitani, Komatsu Seiren Co., Ltd.Inventors: Tsuyoshi Masuda, Tadaoki Mitani, John Rennie, Kounosuke Uozumi
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Patent number: 6794003Abstract: A moisture-permeable waterproof fabric comprising a textile fabric and a moisture-permeable resin film containing a non-porous urethane resin layer formed on at least one side thereof, wherein the moisture-permeable waterproof fabric has a moisture permeability of 15,000 g/m2·24 hr or greater according to the potassium acetate method, a moisture condensation of no more than 5 g/m2·hr and a water pressure resistance of 20,000 mmH2O or greater, and a release-sheet attached moisture-permeable resin film comprising a release sheet and a moisture-permeable resin film formed thereon containing a non-porous urethane resin layer.Type: GrantFiled: November 1, 2001Date of Patent: September 21, 2004Assignee: Komatsu Seiren Co., Ltd.Inventors: Yasunao Shimano, Masashi Mukai, Kenji Nitta
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Patent number: 6348422Abstract: A moisture-permeable waterproof fabric comprising a textile fabric and a moisture-permeable resin film containing a non-porous urethane resin layer formed on at least one side thereof, wherein the moisture-permeable waterproof fabric has a moisture permeability of 15,000 g/m2·24 hr or greater according to the potassium acetate method, a moisture condensation of no more than 5 g/m2·hr and a water pressure resistance of 20,000 mmH2O or greater, and a release-sheet attached moisture-permeable resin film comprising a release sheet and a moisture-permeable resin film formed thereon containing a non-porous urethane resin layer.Type: GrantFiled: June 7, 1999Date of Patent: February 19, 2002Assignee: Komatsu Seiren Co., Ltd.Inventors: Yasunao Shimano, Masashi Mukai, Kenji Nitta
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Patent number: 6326323Abstract: A fabric for ink-jet recording comprises a fibrous substrate and an ink absorbing layer formed thereon, wherein the ink absorbing layer contains fine fibrous cellulose with a diameter of 0.5 &mgr;m or less, a water-soluble nonionic polymer, porous silica, and a cationic polymer. The fabric also has a resin layer which includes a flame retardant formed on a side opposite to the ink absorbing layer. The ink absorbing layer has improved ink absorption and drying properties, while the color developing property, sharpness and moisture resistance of the images are improved.Type: GrantFiled: February 10, 1999Date of Patent: December 4, 2001Assignee: Komatsu Seiren Co., Ltd.Inventors: Yasunao Shimano, Takeshi Minamiyama
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Patent number: 5758520Abstract: A fabric treatment apparatus for the treatment of a textile fabric, over the full width, with a fluid, which comprises at least one fabric treatment means provided with side walls which form a treatment path which allows fabric to pass through at full width while surrounding it at a narrow spacing and at least one treatment fluid blowing means constructed on at least a section of the side walls which can blow a treatment fluid into the treatment path to cover the entire width of the fabric passing through the treatment path, wherein the narrow spacing of the treatment path is 30 mm or less, and both ends of the treatment path are open to the surrounding atmosphere which is not pressurized. It efficiently performs various treatments on fabric including washing, desizing, scouring, fluff removal, resin impregnation, drying, dewatering, feeling adjustment and dyeing.Type: GrantFiled: March 6, 1996Date of Patent: June 2, 1998Assignees: Komatsu Seiren Co., Ltd., Onomori Iron Works Co., Ltd.Inventors: Tsukasa Hirano, Yoshihide Kitade, Hisashi Hasuta
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Patent number: 5753568Abstract: A moisture-permeable, waterproof fabric comprising a textile fabric and a resin coating containing a fluorine-containing polyurethane resin and polyurethane resin having a low degree of polymerization on at least one side of said textile fabric. This moisture-permeable, waterproof fabric is obtained by a process comprising coating a resin solution, containing a fluorine-containing polyurethane resin and a polyurethane resin having a low degree of polymerization, on at least one side of a textile fabric, followed by coagulating the resin, removing the solvent, drying the fabric and applying a water repellent.Type: GrantFiled: December 2, 1996Date of Patent: May 19, 1998Assignee: Komatsu Seiren Co., Ltd.Inventors: Yasunao Shimano, Masashi Mukai, Hideki Chatani, Kazuhiko Takashima, Yoshihiro Umezawa, Dai Hara
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Patent number: 5626950Abstract: A moisture-permeable, waterproof fabric comprising a textile fabric and a resin coating containing a fluorine-containing polyurethane resin and polyurethane resin having a low degree of polymerization on at least one side of said textile fabric. This moisture-permeable, waterproof fabric is obtained by a process comprising coating a resin solution, containing a fluorine-containing polyurethane resin and a polyurethane resin having a low degree of polymerization, on at least one side of a textile fabric, followed by coagulating the resin, removing the solvent, drying the fabric and applying a water repellent.Type: GrantFiled: December 22, 1994Date of Patent: May 6, 1997Assignee: Komatsu Seiren Co., Ltd.Inventors: Yasunao Shimano, Masashi Mukai, Hideki Chatani, Kazuhiko Takashima, Yoshihiro Umezawa, Dai Hara
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Patent number: 5326632Abstract: A moisture-permeable waterproof fabric having a resin layer formed on at least one surface thereof, wherein the resin layer is composed of a mixture comprising a product obtained by reacting a urethane prepolymer having isocyanate terminals with an N-carboxyamino acid anhydride and an amine, and a polyurethane having a 100% modulus of at least 40 kg/cm.sup.2, the amount of the resin product contained in the resin layer is 12.9 to 85.3% by weight of total solid resin, and the amount of the urethane/amino acid copolymer contained in the resin layer is 0.9 to 9.0% by weight of total solid resin. The fabric has both an excellent moisture permeability and waterproofness, as well as an excellent abrasion resistance and washing fastness.Type: GrantFiled: March 4, 1992Date of Patent: July 5, 1994Assignees: Komatsu Seiren Co., Ltd., Toray Industries, Inc.Inventors: Tatsuya Zenda, Yutaka Hayashi, Motoaki Kitagawa, Takashi Seino
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Patent number: 5134025Abstract: An ultraviolet ray-reflecting fabric comprising a fibrous fabric substrate and a polymer film formed thereon having a foamed cell structure and containing fine particles. This fabric has a very high ultraviolet ray-reflecting performance and an excellent moisture permeability and water proofing, and is further characterized in that the fabric is soft, has a light weight and does not become too hot even when exposed directly to the rays of the sun.Type: GrantFiled: May 8, 1989Date of Patent: July 28, 1992Assignee: Komatsu Seiren Co., Ltd.Inventors: Tatuya Zenda, Yasunao Simano, Masaaki Nakamura, Ryosei Takigaura
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Patent number: 4840817Abstract: A fabrous material is impregnated with a treating agent comprising (1) a tetrakishydroxymethyl phosphonium compound or an ammonium condensate of a tetrakishydroxymethyl phosphonium compound, (2) methylolmelamine and (3) urea, thiourea or a guamidine salt, and the fabric is heated with high-pressure steam or subjected to a microwave heat treatment in the pressure of water vapor. A high and durable flame retardancy can be imparted to the fibrous material by this treatment. Especially good results are obtained when a fibrous material composed of a mixture of a polyester fiber and a cellulose fiber is treated according to this method.Type: GrantFiled: February 23, 1988Date of Patent: June 20, 1989Assignee: Komatsu Seiren Co., Ltd.Inventors: Shuichi Murakami, Yasunao Shimano