Patents Assigned to ROHM
  • Patent number: 9000057
    Abstract: The present invention addresses a need in the art by providing a composition comprising an aqueous dispersion of a binder and porous ion exchange resin particles that are functionalized with primary amine groups or secondary amine groups or both. The composition of the present invention provides an efficient way of removing aldehydes from or in the vicinity of a coating prepared from the composition.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: April 7, 2015
    Assignees: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Sudhakar Balijepalli, Paul Doll, Alvin M. Maurice
  • Patent number: 9000078
    Abstract: The present invention is a composition comprising an aqueous dispersion of a binder and a salt of the following fluoroalkyl phosphonic acid: wherein n, q, and p are as described herein. The composition of the present invention is useful as a block additive in coating compositions.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: April 7, 2015
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Andrew Hejl, Arkady L. Krasovskiy, Partha S. Majumdar, Mark R. Winkle
  • Patent number: 8999385
    Abstract: The invention relates to a method for producing an oral form of administration which decomposes immediately and releases active ingredients in the mouth. According to said method, (a) an anionic pharmaceutical active ingredient is intensively mixed with (b) a copolymer consisting of radically polymerized C1-C4 esters of the acrylic acid or methacrylic acid and other (meth)acrylate monomers containing functional tertiary amino groups, and (c) between 5 and 50 wt. %, in relation to (b), of a C12-C22 carboxylic acid in the melted mass; the mixture is solidified and ground to form a powder containing active ingredients having an average particle size of 200 ?m or less; and the powder is encapsulated in a water-soluble matrix consisting of pharmaceutically standard adjuvants, on the condition that no more than 3 wt. %, in relation to the copolymer, of emulsifiers with an HLB value of at least 14 must be contained therein.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: April 7, 2015
    Assignee: EVONIK RÖHM GmbH
    Inventors: Hans-Ulrich Petereit, Christian Meier, Andreas Gryczke
  • Patent number: 9000686
    Abstract: It is provided an LED lighting device calibratable to 0 to 100% of wide range about a chromaticity and luminance of a illumination light by a simple configuration, and a driving method for the LED lighting device. The LED lighting device is provided with a first light-emitting unit and a second light-emitting unit differing a color temperature mutually, and a control circuit for executing a cyclic light/quench control of the first light-emitting unit and the second light-emitting unit, and for executing a light control of the first light-emitting unit and the second light-emitting unit by a PNM (Pulse Number Modulation) control in a fixed cycle so as to have a lighting period Ton for lighting/quenching the first light-emitting unit and the second light-emitting unit complementarily, and a quenching period Toff for quenching both the first light-emitting unit and the second light-emitting unit.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: April 7, 2015
    Assignee: Rohm Co., Ltd.
    Inventor: Jun Mizuno
  • Publication number: 20150091164
    Abstract: An inventive semiconductor device includes: a semiconductor chip including an integrated circuit; a plurality of electrode pads provided on the semiconductor chip and connected to the integrated circuit; a rewiring to which the electrode pads are electrically connected together, the rewiring being exposed on an outermost surface of the semiconductor chip and having an exposed surface area greater than the total area of the electrode pads; and a resin package which seals the semiconductor chip.
    Type: Application
    Filed: September 30, 2014
    Publication date: April 2, 2015
    Applicant: ROHM CO., LTD.
    Inventors: Mamoru YAMAGAMI, Kenji FUJII
  • Publication number: 20150091169
    Abstract: An inventive semiconductor device includes a semiconductor chip having a passivation film, and a sealing resin layer provided over the passivation film for sealing a front side of the semiconductor chip. The sealing resin layer extends to a side surface of the passivation film to cover the side surface.
    Type: Application
    Filed: December 10, 2014
    Publication date: April 2, 2015
    Applicant: ROHM CO., LTD.
    Inventors: Osamu MIYATA, Masaki KASAI, Shingo HIGUCHI
  • Patent number: 8994066
    Abstract: A semiconductor device includes a first-conductivity-type semiconductor layer including an active region in which a transistor having impurity regions is formed and a marginal region surrounding the active region, a second-conductivity-type channel layer formed between the active region and the marginal region and forming a front surface of the semiconductor layer, at least one gate trench formed in the active region to extend from the front surface of the semiconductor layer through the channel layer, a gate insulation film formed on an inner surface of the gate trench, a gate electrode formed inside the gate insulation film in the gate trench, and at least one isolation trench arranged between the active region and the marginal region to surround the active region and extending from the front surface of the semiconductor layer through the channel layer, the isolation trench having a depth equal to that of the gate trench.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: March 31, 2015
    Assignee: Rohm Co., Ltd.
    Inventor: Kenichi Yoshimochi
  • Patent number: 8994062
    Abstract: A LED module includes a substrate, a LED chip supported on the substrate, a metal wiring installed on the substrate, the metal wiring including a mounting portion on which the LED chip is mounted, an encapsulating resin configured to cover the LED chip and the metal wiring, and a clad member configured to cover the metal wiring to expose the mounting portion, the encapsulating resin arranged to cover the clad member.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: March 31, 2015
    Assignee: Rohm Co., Ltd.
    Inventor: Masahiko Kobayakawa
  • Patent number: 8991262
    Abstract: A capacitive pressure sensor includes a semiconductor substrate, a first insulating portion configured to define a sensor region, a reference pressure chamber configured to divide a lower portion of the sensor region in a direction, a second insulating portion configured to divide a surface portion of the sensor region above the reference pressure chamber in the direction, and a trench configured to divide the sensor region in the direction. The sensor region is divided into at least three semiconductor parts by the reference pressure chamber, the second insulating portion, and the trench.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: March 31, 2015
    Assignee: Rohm Co., Ltd.
    Inventor: Goro Nakatani
  • Patent number: 8993111
    Abstract: The present invention provides surface treated articles comprising a recoatable surface treatment of an acrylic or vinyl polymer that does not change the appearance of the treated surface, and which imparts blocking resistance and/or stain and dirt pickup resistance to the treated surface. The one or more acrylic or vinyl polymer has a number average molecular weight of from 1,000 to 100,000, a glass transition temperature of ?10° C. or higher, preferably, 30° C. or higher, and comprises the polymerization product of one or more non-ionic monomer, such as methyl methacrylate, with up to 47 wt. % of an ethylenically unsaturated acid monomer and, preferably, is non-migrating under use conditions. When dry, the surface treatments may form a layer of domains of polymer distributed all over the treated surface, rather than a film. Treated articles include coating or painted articles and elastomer films.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: March 31, 2015
    Assignee: Rohm and Haas Company
    Inventors: Bonnie E. Baker, Arnold S. Brownell, Nancy P. Buford, Willie Lau, Joseph J. Spanier
  • Patent number: 8994294
    Abstract: An LED flash module includes: a module substrate; an energy device disposed on the module substrate; an LED module arranged on the module substrate includes a plurality of LED blocks arranged in a first direction, each LED block including a plurality of LED elements which is arranged in a second direction perpendicular to the first direction and emits light with power supplied from the energy device; a charger circuit arranged on the module substrate to charge the energy device; and a control circuit arranged on the module substrate to control emission of LED elements. A wiring length from one of the LED elements to a plus terminal of a power supply portion supplying power to each of the LED elements and a wiring length from the one of the LED elements to a minus terminal of the power supply portion is substantially the same for all of the LED elements.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: March 31, 2015
    Assignee: Rohm Co., Ltd.
    Inventors: Hideki Sawada, Kazuyuki Hiratsuka
  • Patent number: 8994102
    Abstract: A semiconductor device of the present invention includes a semiconductor layer, a plurality of gate trenches formed in the semiconductor layer, a gate electrode filled via a gate insulating film in the plurality of gate trenches, an n+-type emitter region, a p-type base region, and an n?-type drift region disposed, lateral to each gate trench, in order in a depth direction of the gate trench from a front surface side of the semiconductor layer, a p+-type collector region disposed on a back surface side of the semiconductor layer with respect to the n?-type drift region, an emitter trench formed between the plurality of gate trenches adjacent to each other, and a buried electrode filled via an insulating film in the emitter trench, and electrically connected with the n+-type emitter region, and the emitter trench is disposed at an interval of 2 ?m or less via an n?-type drift region with the gate trench.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: March 31, 2015
    Assignee: Rohm Co., Ltd.
    Inventor: Akihiro Hikasa
  • Patent number: 8993093
    Abstract: A coated sheet-like plastics material comprising a) as base, a thermoplastic substrate; and b) on the base, a photocatalytically active coating comprising a water-spreading layer which involves either a sol-adhesion-promoter layer, layer b1+2), comprising an adhesion promoter and a colloid sol, or a colloid-sol layer b2) arranged on an adhesion-promoter layer b1) applied on the substrate a), and a photocatalytically active layer b3) arranged on the water-spreading layer b1+2) or b2), where b3) is obtainable through application and drying of a mixture comprising, based on the solids content of the mixture in percent by weight b31) from 1 to 25% of titanium dioxide and b32) from 75 to 99% of silicon dioxide and/or of a metal oxide which is not soluble in water or of an anionically modified silicon dioxide or metal oxide; where the titanium dioxide is particulate with an average primary-particle size smaller than 10 nm.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: March 31, 2015
    Assignee: Evonik Röhm GmbH
    Inventors: Thomas Hasskerl, Wolfgang Scharnke, Martin Berkenkopf, Jann Schmidt, Xin Lu, Uwe Schneider
  • Patent number: 8993667
    Abstract: The present invention provides elastomeric roof coatings and aqueous coating compositions of (i) an acrylic emulsion copolymer that comprises (ii) a reductant and has a high molecular weight, (iii) a combination of a hydrophilic polymeric dispersant and a pigment, extender or filler, and (iv) a multivalent transition metal ion or multivalent transition metal ion compound or salt. The composition and coating provide excellent swelling resistance and a balance of tensile and elongation in an acrylic roof coating composition.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: March 31, 2015
    Assignee: Rohm and Haas Company
    Inventors: Joseph M. Rokowski, Mark D. Westmeyer
  • Publication number: 20150085890
    Abstract: A semiconductor laser device includes an n-type clad layer, a first p-type clad layer and a ridge stripe. The device also includes an active layer interposed between the n-type clad layer and the first p-type clad layer, and a current-blocking layer formed on side surfaces of the ridge stripe. The ridge stripe of the device includes a second p-type clad layer formed into a ridge stripe shape on the opposite surface of the first p-type clad layer from the n-type clad layer. The ridge stripe is formed such that a first ridge width as the width of a surface of the second p-type clad layer exists on the same side as the first p-type clad layer and a second ridge width as the width of a surface of the second p-type clad layer exists on the opposite side from the first p-type clad layer.
    Type: Application
    Filed: December 3, 2014
    Publication date: March 26, 2015
    Applicant: ROHM CO., LTD.
    Inventors: Yoshito NISHIOKA, Yoichi MUGINO, Tsuguki NOMA
  • Publication number: 20150087723
    Abstract: A synergistic microbicidal composition containing: (a) at least one microbicide selected from the group consisting of isopropyl methyl phenols and monosubstituted phenols and (b) at least antimicrobial alcohol is selected from the class consisting of acyclic terpene alcohols.
    Type: Application
    Filed: December 5, 2012
    Publication date: March 26, 2015
    Applicant: ROHM AND HAAS COMPANY
    Inventors: Robert J. Cornmell, Megan A. Diehl, Stephen Golding, John R. Harp, Ian P. Stott, Katherine M. Thompson, Carol L. Truslow
  • Publication number: 20150087122
    Abstract: Provided is a semiconductor device that can be manufactured at low cost and that can reduce a reverse leak current, and a manufacturing method thereof. A semiconductor device has: a source region and a drain region having a body region therebetween; a source trench that reaches the body region, penetrating the source region; a body contact region formed at the bottom of the source trench; a source electrode embedded in the source trench; and a gate electrode that faces the body region. The semiconductor device also has: an n-type region for a diode; a diode trench formed reaching the n-type region for a diode; a p+ region for a diode that forms a pn junction with the n-type region for a diode at the bottom of the diode trench; and a schottky electrode that forms a schottky junction with the n-type region for a diode at side walls of the diode trench.
    Type: Application
    Filed: December 4, 2014
    Publication date: March 26, 2015
    Applicant: ROHM CO., LTD.
    Inventor: Kenichi YOSHIMOCHI
  • Patent number: 8986723
    Abstract: A composition comprising (a) a non-aqueous pourable fluid, (b) droplets dispersed in said pourable fluid (a), wherein said droplets comprise (i) a non-aqueous continuous phase that is a solid or that is a liquid of high viscosity and (ii) solid particles dispersed in said continuous phase (i), wherein said solid particles (ii) have median size as measured by the largest dimension of 100 micrometers or less, and wherein said solid particles (ii) comprise one or more cyclopropene compound and one or more molecular encapsulating agent. Also, a method of treating plants or plant parts involving bringing such a composition into contact with plants or plant parts.
    Type: Grant
    Filed: February 9, 2011
    Date of Patent: March 24, 2015
    Assignee: Rohm and Haas Company
    Inventors: Richard M. Jacobson, Yueqian Zhen
  • Patent number: 8986791
    Abstract: The present invention relates to aqueous coating compositions having low gloss for treating natural or synthetic leather. These aqueous coating compositions contain one or more water soluble poly(ethylene oxide) resins having the general formula [—CH2CH2O—]n and one or more polymer binders.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: March 24, 2015
    Assignee: Rohm and Haas Company
    Inventor: Theodore Tysak
  • Patent number: 8987993
    Abstract: An organic EL device comprising: an organic EL element; a first transistor that controls a drive current of the organic EL element in accordance with a brightness adjustment voltage; and a temperature correction circuit that corrects the brightness adjustment voltage in accordance with a temperature; wherein the temperature correction circuit includes: a second transistor that has a same temperature characteristic as the first transistor; a resistor element that is connected to the second transistor; and an operational amplifier that controls the second transistor such that a predetermined reference voltage and a voltage across the resistor element become equal to each other; wherein the temperature correction circuit corrects the brightness adjustment voltage in accordance with an output from the operational amplifier.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: March 24, 2015
    Assignee: Rohm Co., Ltd.
    Inventors: Kohei Shoji, Akimasa Maruo