Patents Assigned to Seiren Co., Ltd.
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Publication number: 20150140884Abstract: A stretchable coated fabric is treated for water repellency with a fluorinated water repellent that comprises a copolymer containing a perfluoroalkyl group with six or less carbon atoms (C6 fluorinated water repellent). The use of no C8 fluorinated water repellents that contain perfluorooctanoic acid, perfluorooctane sulfonate, and the like makes the fabric exerts no influence on the environment. And the fluorinated water repellent has a toluene repellency of 100 seconds or longer; a synthetic resin solution applied to at least one side of the stretchable fiber fabric has a thixotropic index at 23° C. in a range from 1.4 to 2.0; and the synthetic resin has a 100% modulus of 5 kgf/cm2 or greater. This prevents the synthetic resin from leaking to the back side and allows formation of a resin coating film that has good film forming properties.Type: ApplicationFiled: June 10, 2013Publication date: May 21, 2015Applicant: Seiren Co., Ltd.Inventors: Masahiro Mizuma, Yasuhiro Horikawa
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Patent number: 8921241Abstract: An electroconductive tape (10) is characterized in that an adhesive film (3) composed of an adhesive is provided only on the open space between threads of an electroconductive mesh fabric having a metallic coating on the surface, the metallic coating being exposed and not covered by the adhesive film (3) on both surfaces of the electroconductive mesh fabric; thermoplastic synthetic fiber monofilament thread is included in part of the threads of the electroconductive mesh fabric; a value M that is obtained by an Equation (1): M=[(B1+B2)?C]/(B1+B2) is within a range of 0.05 to 0.Type: GrantFiled: December 16, 2011Date of Patent: December 30, 2014Assignee: Seiren Co., Ltd.Inventors: Shigekazu Sugihara, Susumu Takagi, Tetsuhiko Saiki
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Patent number: 8833888Abstract: An object of the present invention is to provide an inkjet recording apparatus capable of simplifying cables for transmitting a recording signal to a plurality of inkjet heads. The inkjet recording device has a plurality of head units 10 including: a plurality of inkjet heads 200; drive circuits 201 being provided corresponding to each of the ink jet heads 200 and drive-controlling inkjet operations; a power supply circuit 310 supplying a voltage required to discharge ink to the drive circuit 201; a recording control circuit 300 controlling the drive circuit 201 and the power supply circuit 310 based on recording control data; and a transmitting and receiving circuit 330 acquiring the recording control data via a network based on address data and transmitting the data to the recording control circuit 300, to thereby perform recording operations based on the recording control data transmitted to the head unit 10 through the network.Type: GrantFiled: March 18, 2011Date of Patent: September 16, 2014Assignee: Seiren Co., Ltd.Inventor: Norihisa Teranishi
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Publication number: 20140227446Abstract: The present invention relates to a polyimide resin surface modifier which modifies the surface of a polyimide resin to permit easy absorption of metal ions, and a surface-modifying method for polyimide resins using the same. The surface modifier contains an alkali component, an organic solvent having hydroxy groups and a boiling point of 120° C. or higher, and a water content of 0-10% by weight. The surface-modifying method includes a printing process wherein a predetermined pattern is printed on the surface of a polyimide resin substrate using the polyimide resin surface modifier, an organic solvent-removing process wherein an organic solvent in the polyimide resin surface modifier pattern-printed on the surface of said polyimide resin substrate is removed and a water-treatment process wherein said polyimide resin surface modifier after removing the organic solvent is brought into contact with water.Type: ApplicationFiled: February 10, 2014Publication date: August 14, 2014Applicant: SEIREN CO., LTD.Inventors: Akimitsu BAMBA, Takuya ARITA, Hiroyuki HAYASHI, Kouichi KUGIMIYA
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Patent number: 8789997Abstract: A light guide plate according to an embodiment of the present invention is one in which light scattering dots are formed on at least one surface 12c of a light guide substrate 12. A plurality of light scattering dots 24 are formed in each of individual areas A1-A10 resulting from division of the at least one surface 12c of the light guide substrate 12 into a plurality of areas. In each of individual areas A1-A5 where a contrast ratio by the light scattering dots 24 is not more than 50%, the light scattering dots 24 include light scattering dots 24a, 24b of two or more sizes and the light scattering dots 24a, 24b of two or more sizes are arranged in an irregular order.Type: GrantFiled: December 23, 2011Date of Patent: July 29, 2014Assignees: Sumitomo Chemical Company, Limited, Seiren Co., Ltd.Inventors: Yasuhiro Sekiguchi, Kentarou Hyakuta, Norihisa Teranishi, Syuuji Kadoya
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Patent number: 8722550Abstract: A base fabric for an air bag is provided which is light-weight, flexible, superior in stowability, air shieldability, heat resistance and flame retardancy, further superior in the adhesion to resin and difficult to undergo stitch dislocation and fray. The air bag base fabric comprises a synthetic fiber fabric at least one surface of which is coated with resin. The resin is present also over at least 85% of the total area of an intertwined portion interface as a warp-weft crossing portion of the synthetic fiber fabric.Type: GrantFiled: August 23, 2007Date of Patent: May 13, 2014Assignee: Seiren Co., Ltd.Inventors: Tatsuro Yamada, Naokuni Iwasa, Akihiro Nogata
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Patent number: 8642163Abstract: Disclosed is an ultraviolet-curable inkjet ink set composed of a yellow ink, a magenta ink and a cyan ink, respectively containing a pigment, a reactive monomer and/or a reactive oligomer and a photopolymerization initiator. This ultraviolet-curable inkjet ink set is characterized in that the yellow ink contains at least a bismuth vanadate compound or iron oxide, the magenta ink contains at least iron oxide or a condensed polycyclic compound and the cyan ink contains at least a phthalocyanine compound, as their respective pigments. Also disclosed is a colored board for outdoor use, which is printed by using the ink set. The inkjet ink set realizes high-concentration printing, and enables to obtain a brilliant printed matter excellent in color presentation and weather resistance.Type: GrantFiled: September 10, 2007Date of Patent: February 4, 2014Assignee: Seiren Co., Ltd.Inventor: Tomoyuki Nishikawa
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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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Publication number: 20130298612Abstract: A warp knitted fabric to be used for an epidermis material to avoid stickiness and dampness due to sweating when one is seated for a long time, and which is light-weight and provides superior functionality; has a denbigh stitch texture or a cord stitch texture formed by supplying a base yarn by a front guide bar of a warp knitting machine having at least two guide bars, supplying an insertion yarn by a guide bar rearward of the front guide bar to knit an insertion texture, and knitting the insertion yarn underlapping the insertion yarn in the same direction and by an amount corresponding to the same number of needles as the underlapping of the base yarn supplied by the front guide bar, whereby the insertion yarn is exposed at a sinker-loop-side surface of a warp knitted fabric intermittently in a warp direction.Type: ApplicationFiled: December 22, 2011Publication date: November 14, 2013Applicant: SEIREN CO., LTD.Inventors: Kyoichi Yuikawa, Isao Honda, Fumio Shirasaki
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Patent number: 8448475Abstract: The skin material for an interior material, formed of a three-dimensional warp knitted fabric includes: front and back ground parts, each of which is formed with knitting yarns guided by at least two guide bars and has at least two knitting patterns, and connecting yarns that connect the front and back ground parts, wherein: the front ground part has a cord stitch pattern and another knitting pattern; a sum of a number of loops of the cord stitch pattern and a number of loops of the another knitting pattern is smaller than a sum of numbers of loops of the at least two knitting pattern forming the back ground part; and a ratio of the number of loops of the another knitting pattern with respect to the number of loops of the cord stitch pattern is from 20 to 80%.Type: GrantFiled: April 6, 2011Date of Patent: May 28, 2013Assignee: Seiren Co., Ltd.Inventors: Yuji Akao, Fumio Shirasaki
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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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Publication number: 20130016144Abstract: An object of the present invention is to provide an inkjet recording apparatus capable of simplifying cables for transmitting a recording signal to a plurality of inkjet heads. The inkjet recording device has a plurality of head units 10 including: a plurality of inkjet heads 200; drive circuits 201 being provided corresponding to each of the ink jet heads 200 and drive-controlling inkjet operations; a power supply circuit 310 supplying a voltage required to discharge ink to the drive circuit 201; a recording control circuit 300 controlling the drive circuit 201 and the power supply circuit 310 based on recording control data; and a transmitting and receiving circuit 330 acquiring the recording control data via a network based on address data and transmitting the data to the recording control circuit 300, to thereby perform recording operations based on the recording control data transmitted to the head unit 10 through the network.Type: ApplicationFiled: March 3, 2011Publication date: January 17, 2013Applicant: SEIREN CO., LTD.Inventor: Norihisa Teranishi
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Publication number: 20120322328Abstract: Disclosed is a moisture-permeable waterproof fabric which is produced by using a plant-based material and has equivalent or superior performance as compared to conventional petroleum-based polyurethane resins. The moisture-permeable waterproof fabric comprises, on at least one surface thereof, a porous resin film composed of a polyurethane resin containing 5 to 80% by weight of a sebacic acid-based polyol component produced from a plant-based sebacic acid, and has an A-1 moisture permeability and a B-1 moisture permeably both of which are not less than 5,000 g/m2·24 h and a water pressure resistance of not lower than 5,000 mmH2O.Type: ApplicationFiled: February 22, 2011Publication date: December 20, 2012Applicant: SEIREN CO., LTD.Inventors: Yoshiyuki Yamada, Katsumi Sakamoto, Yoshiharu Kato
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Patent number: 8334225Abstract: Stretchable artificial leather comprising a fibrous substrate comprising tricot knitted fabric, and a polyurethane resin layer laminated on the surface of the fibrous substrate, the stretchable artificial leather having fixed load elongation of from 30 to 60% in each of a longitudinal direction, a lateral direction and a bias direction.Type: GrantFiled: October 7, 2009Date of Patent: December 18, 2012Assignees: Honda Motor Co., Ltd., Seiren Co., Ltd.Inventors: Tomoyuki Uemura, Atsushi Kakosaka, Yukito Kaneko
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Publication number: 20120287665Abstract: A light guide plate 1 according to an embodiment of the present invention is a light guide plate in which light reflective dot are formed on at least one surface S2 of a light guide substrate 11, wherein the plurality of light reflective dot 12 are formed on grid points for printing targets, the grid points being regularly arrayed in a two-dimensional pattern, in each of individual regions obtained by dividing the at least one surface S2 of the light guide substrate 11 into the plurality of regions, and wherein some of the light reflective dot 12 are eliminated in each of the individual regions.Type: ApplicationFiled: March 6, 2012Publication date: November 15, 2012Applicants: SEIREN CO., LTD., SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kentarou HYAKUTA, Yoshihisa SHIMADA, Hidekazu SHIOMI
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Patent number: 8288006Abstract: An artificial leather comprising a protective layer, a surface layer, and a fibrous substrate, successively laminated, wherein a polyurethane resin forming the surface layer is obtained by reacting a urethane polyisocyanate prepolymer (A) and a polyol component (C) containing a urethane polyol prepolymer (B), the (A) has an equivalent ratio (isocyanate groups/hydroxyl groups) of from 2.0 to 6.0, and has a number average molecular weight of from 3,000 to 30,000, the (B) has an equivalent ratio (isocyanate groups/hydroxyl groups) of from 0.2 to 0.8, and has a number average molecular weight of from 3,000 to 30,000, an equivalent ratio between the urethane polyisocyanate prepolymer (A) and the polyol component (C) (isocyanate groups/active hydrogen groups) is from 1.01 to 2.0, and a weight ratio between the urethane polyisocyanate prepolymer (A) and the polyol component (C) ((A)/(C)) is from 0.7 to 2.0.Type: GrantFiled: February 26, 2010Date of Patent: October 16, 2012Assignee: Seiren Co., Ltd.Inventor: Toshihiro Tsubota
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Publication number: 20120195065Abstract: The present invention provides a light guide plate capable of emitting light from a light-emitting surface at a higher luminance, a surface light source device and a transmission-type image display device having the light guide plate, a light guide plate manufacturing method, and a UV curable inkjet ink for the light guide plate. A light guide plate includes: a transparent resin sheet having a light-emitting surface that emits light incident from an end face and having a rear face on the opposite side of the light-emitting surface; and a plurality of reflective dots provided on the rear face of the transparent resin sheet and formed by photo-curing of dot-shaped ink. The ink contains a pigment, a photopolymerizable component, and a photopolymerization initiator. In addition, the rear face is a liquid repellent-treated surface.Type: ApplicationFiled: February 2, 2012Publication date: August 2, 2012Applicants: SEIREN CO., LTD., SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kentarou HYAKUTA, Hideyuki TERASAWA
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Patent number: 8216356Abstract: An object of the present invention is to provide an ink set for ink jet capable of obtaining printed articles superior in warm color representation and weather resistance, an ink jet coloring process and a colored product for outdoor. An ink set for ink jet containing an orange pigment ink (a) and a red pigment ink (b) wherein the orange pigment ink (a) includes iron oxide serving as an orange pigment and a solvent, and the red pigment ink (b) includes iron oxide serving as said red pigment; at least one of a pigment selected from condensed polycyclic compound pigments, said at least one of a pigment serving as said red pigment; and a solvent.Type: GrantFiled: July 25, 2008Date of Patent: July 10, 2012Assignee: Seiren Co., Ltd.Inventor: Tomoyuki Nishikawa
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Publication number: 20120164402Abstract: A decorative concrete block includes a concrete block body having at least one outer surface with an image formed using a plurality of ink dots, the ink dots being obtained by curing ink droplets of an active energy curable ink.Type: ApplicationFiled: April 25, 2011Publication date: June 28, 2012Applicant: SEIREN CO., LTD.Inventors: Hirokazu Murakami, Tomoyuki Nishikawa