Patents Assigned to COMPANY LIMITED
  • Patent number: 5888834
    Abstract: An immunoassay plate for an immune complex transfer immunoassay, comprising a well type solid phase and a dip stick type solid phase which can be inserted into said well type solid phase, wherein the dip stick type solid phase is coated with either substance (A) or (B) to be mentioned below and the well type solid phase is coated with the other, remaining substance, and these solid phases are used as the two solid phases to be used for an immune complex transfer immunoassay:(A): a substance having a reactive group which specifically binds to a functional group previously introduced onto a substance, which specifically forms an immune complex with a test substance(B): a substance having a reactive group capable of specifically binding to the test substance in the immune complex, a substance which specifically forms an immune complex with the test substance, or a functional group conjugated in advance with said substance, provided that the moiety which binds to the reactive group of (A) does not bind to the rea
    Type: Grant
    Filed: October 25, 1995
    Date of Patent: March 30, 1999
    Assignees: Sumitomo Pharmaceuticals Company, Limited., Eiji Ishikawa
    Inventors: Eiji Ishikawa, Hidetaka Nakamoto, Satoshi Tanaka
  • Patent number: 5886014
    Abstract: Compounds of formula (I): ##STR1## ?wherein: X represents an optionally substituted benzimidazole group; Y represents an oxygen or sulfur atom; Z represents a 2,4-dioxothiazolidin-5-ylidenylmethyl, 2,4-dioxothiazolidin-5-ylmethyl, 2,4-dioxooxazolidin-5-ylmethyl, 3,5-dioxooxadiazolidin-2-ylmethyl or N-hydroxyureidomethlyl group; R represents hydrogen, alkyl, alkoxy, halogen, hydroxy, nitro, amino or aralkyl; and m is an integer from 1 to 5!; have valuable activity for the treatment and/or prophylaxis of a variety of disorders, including one or more of: hyperlipemia, hyperglycemia, obesity, impaired glucose tolerance (IGT), insulin resistance and diabetic complications.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: March 23, 1999
    Assignee: Sankyo Company, Limited
    Inventors: Takashi Fujita, Kunio Wada, Minoru Oguchi, Hiroaki Yanagisawa, Koichi Fujimoto, Toshihiko Fujiwara, Hiroyoshi Horikoshi, Takao Yoshioka
  • Patent number: 5885535
    Abstract: A process for extracting and separating silver safely and selectively from a raw material containing slightly soluble silver compounds and recovering silver from the extract in a simple manner without resorting to electrolysis or a special reducing agent, and further recovering high-purity silver, includes mixing the raw material with an organic solvent solution of an organophosphorus compound containing in the molecule sulfur in the form of S.sup.2- ions, thereby extracting silver into an organic phase simultaneously with dissolving the slightly soluble silver compounds, stripping the silver from the organic phase containing the extracted silver with an aqueous solution of alkali sulfite and forming a stripping solution, and reducing the stripping solution to separate silver therefrom.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: March 23, 1999
    Assignee: Sumitomo Metal Mining Company, Limited
    Inventors: Satoshi Asano, Kaoru Terao
  • Patent number: 5886152
    Abstract: A humanized antibody is provided, which is obtained by transplantation of the complementarity determining region of a mouse monoclonal antibody B-B10 specific to a human IL-2 receptor into a human antibody. The antibody has a very low antigenicity, and therefore, it is useful for treatment of carcinoma expressing IL-2 receptor.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: March 23, 1999
    Assignees: Sumitomo Pharmaceuticals Company, Limited, Biotest Pharma GbmH, Diaclone
    Inventors: Tomoyuki Nakatani, Hideyuki Gomi, John Wijdenes, Hiroshi Noguchi
  • Patent number: 5885992
    Abstract: The invention is composed of a hederagenin derivative of the following formula or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising of this compound as an active ingredient. ##STR1## (wherein R.sup.1 represents OR.sup.11 or NR.sup.11 R.sup.12. R.sup.11 and R.sup.12 may be the same or different and each represents hydrogen, alkyl that may be substituted, cycloalkyl that may be substituted, alkenyl that may be substituted, alkinyl that may be substituted, aryl that may be substituted, or a heteroaromatic group that may be substituted,R.sup.2 and R.sup.3 may be the same or different and each represents hydrogen, alkyl that may be substituted, cycloalkyl that may be substituted, alkenyl that may be substituted, alkinyl that may be substituted, acyl that may be substituted, monoalkylcarbamoyl that may be substituted, dialkylcarbamoyl that may be substituted, or alkoxycarbonyl that may be substituted, or R.sup.2 and R.sup.3 taken together represents carbonyl.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: March 23, 1999
    Assignee: Nippon Shinyaku Company, Limited
    Inventors: Tadaaki Ohgi, Hiroto Yoshifusa, Kazuhisa Kandori
  • Patent number: 5886159
    Abstract: A bisazo compound represented by the following general formula (I) or its salt is a useful fiber-reactive dye: ##STR1## where D is a phenyl or naphthyl group; B is a phenylene group, etc.; U is an aliphatic or aromatic linking group; Z is a vinyl group, etc.; and X and Y are a halogen atom, a pyridinio group, etc.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: March 23, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Nobutaka Kunimi, Kouji Toishi
  • Patent number: 5885606
    Abstract: The present invention relates to a poison bait for controlling pest insects comprising (a) an insecticidally active ingredient, (b) a sauce for seasoning or a sauce spice flavor, (c) a vegetable oil and, if necessary, (d) at least one of grain powder, dextrin and sugar. The inventive poison bait controls pest insects such as cockroaches and the like based on feeding preference.
    Type: Grant
    Filed: December 14, 1995
    Date of Patent: March 23, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Hitoshi Kawada
  • Patent number: 5886010
    Abstract: A method for the prophylaxis and treatment of diseases induced by accelerated INF-.alpha. secretion, such as rheumatoid arthritis, endotoxin shock, adult respiratory distress syndrome, thermal burn, asthma, myocardial infarction, acute phase of viral myocardiosis, etc. which comprises administering a carbostyril compound of the formula: ##STR1## wherein R.sup.1 is H or lower alkyl, and R.sup.2 is phenyl(lower)alkyl having optionally 1 to 3 lower alkoxy substituents on the phenyl ring, or a pharmaceutically acceptable salt thereof to a subject.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: March 23, 1999
    Assignee: Otsuka Pharmaceutical Company, Limited
    Inventors: Toyoki Mori, Michiaki Tominaga, Yukihisa Ono
  • Patent number: 5885993
    Abstract: The invention relates to a therapeutic drug for pancreatitis which comprises a compound of the following general formula ?I! or a salt thereof, or a solvate thereof. ##STR1## In the above formula, R.sup.1 and R.sup.2 may be the same or different and each represents hydrogen, alkyl which may be substituted, aralkyl, arylalkenyl, or aryl, or R.sup.1 and R.sup.2 taken together with the adjacent N atom, i.e. in the form of NR.sup.1 R.sup.2, represent a 4- through 8-membered cyclic amino group, which cyclic amino group may contain nitrogen, oxygen, or sulfur as a ring member in addition to the above-mentioned N atom and may be further substituted.
    Type: Grant
    Filed: September 9, 1997
    Date of Patent: March 23, 1999
    Assignee: Nippon Shinyaku Company, Limited
    Inventor: Fusao Ueda
  • Patent number: 5884768
    Abstract: A container having cushioning means for protecting the contents of the container against shock damage, the cushioning means comprising one or a plurality of enclosed volumes or cells housing a fluid which may be a gas such as air and defined by an at least partly resilient envelope which forms part of the structure of the container.
    Type: Grant
    Filed: March 26, 1997
    Date of Patent: March 23, 1999
    Assignee: The Computer Luggage Company Limited
    Inventor: Giles Fox
  • Patent number: 5886760
    Abstract: A microlens-array containing a mesh-like sheet and an optically-transparent resin formed at apertures of the mesh-like sheet, wherein the resin formed at each aperture has a concave lens shape; and method for production thereof. A liquid crystal display device using the aforementioned microlens-array.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: March 23, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kayoko Ueda, Akiko Shimizu
  • Patent number: 5884396
    Abstract: The present invention relates to a TF-BGA method for manufacturing a packaging substrate, and includes steps of forming a single-sided circuit on a copper plate by electroplating, removing a layer of photoresist and sequentially laminating a dielectric layer and a metal plate on the copper plate, etching the copper plate, selectively applying a layer of solder resist, defining a cavity opening by punching, routing or etching, attaching a heat sink, forming dam rings and protecting the laminate by mold compound, attaching a die and bonding gold wires and encapsulating the cavity opening by encapsulate and attaching solder balls. In particular, a metal plate substitutes for a BT resin material to achieve low packaging cost and increasing the heat dissipating efficiency. A transfer flat type ball grid array method is employed to achieve an effect of fine circuitry and each single substrate is processed and tested individually.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: March 23, 1999
    Assignee: Compeq Manufacturing Company, Limited
    Inventor: Ting-hao Lin
  • Patent number: 5881715
    Abstract: A rectifying section 48 is disposed between a medicine atomizing means and a nozzle. Said rectifying section 48 has a flange portion 48a fitted to the upper end side of said atomizing means, a guide cylindrical section 48b integrally provided on the inner circumference of said flange portion 48a, a dome section 48c fixed on the inner circumferential face of said guide cylindrical section 48b, and a pair of slit holes 48d installed at the corresponding position of the guide cylindrical section 48b. Said dome section 48c is composed of a largespherical section 481c and a small-spherical section 481b, wherein the large-spherical section 481c is disposed on the center axis of the guide cylindrical section 48b and is formed with a diameter by which the outer circumferential edge thereof is spaced from the inner circumferential face of the guide cylindrical section 48b.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: March 16, 1999
    Assignee: A & D Company, Limited
    Inventor: Masae Shibasaki
  • Patent number: 5882704
    Abstract: A production process for cream cheese-like products by fermenting a cream mix comprising 2 to 15 wt. % of a protein component, 2 to 15 wt. % of a carbohydrate assimilable by lactic acid bacteria, 10 to 50 wt. % of a fat component, 40 to 75 wt. % of water and an emulsifier and characterized in that after pasteurization or sterilization, without substantial removal of the whey, the pasteurized or sterilized fermentation material is homogenized and cooled.
    Type: Grant
    Filed: January 9, 1997
    Date of Patent: March 16, 1999
    Assignee: Fuji oil Company Limited
    Inventors: Yukihiro Yamaguchi, Yoshiko Sakaue, Norio Sawamura
  • Patent number: 5882114
    Abstract: A method and an apparatus for continuously extracting a wax component contained in a solid residue with a solvent, in which method, the solid residue obtained from the juice of sugar cane is used as a raw material. To make the extraction time uniform and to obtain the wax at a high efficiency of extraction, the solid residue and an organic solvent for extraction are mixed under shear force and agitated in directions perpendicular to the flow direction. The mixing is conducted under an agitated flow condition so as to form a substantially plug flow in the flow direction.
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: March 16, 1999
    Assignee: Nippon Petrochemicals Company, Limited
    Inventors: Kazumi Fukuyo, Kouji Fujimura, Toshiharu Fusano
  • Patent number: 5881714
    Abstract: A switch 70 is provided between the gripping casing of an atomizer and the cover thereof. Said switch 70 has a switch accommodating section 72 secured at the cover member 16, a switch operating section 74 protruding on the inner circumferential face of said cover, and a switch body 76 accommodated in said switch accommodating section 72. Said switch accommodating section 72 is formed to be square-tubular with both the ends thereof open, said switch operating section 74 is provided at the switch accommodating section 72 corresponding to the position thereof, and a waterproof cover 78 which is able to cover the outer circumference of the switch accommodating section 72 is provided at the lower end of the switch operating section 74. Said switch body 76 has a constantly open type switch mechanism 76a having a pair of contacts spaced from each other in a constant state, a rod 76b interlocked with the switch mechanism 76a and a spring 76c which presses the rod 76b upward.
    Type: Grant
    Filed: July 29, 1997
    Date of Patent: March 16, 1999
    Assignee: A & D Company, Limited
    Inventors: Hiroyuki Yokoi, Masae Shibasaki
  • Patent number: 5882957
    Abstract: A BGA packaging method for an IC includes steps of providing a first dry film to a copper plate, plating nickel-copper to form circuits on one side of the copper plate, providing a second dry film, selectively plating nickel-gold, removing the dry films, providing an insulating layer, providing a back plate, attaching a chip, wire bonding, encapsulating the chip and wires with plastic, etching copper, providing solder resist and attaching solder balls. By this method, a packaged IC with excellent electrical characteristics and heat dissipation can be obtained through a simple procedure.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: March 16, 1999
    Assignee: Compeq Manufacturing Company Limited
    Inventor: Ting-hao Lin
  • Patent number: 5883260
    Abstract: The subject is to provides a process for producing 1-substituted-hydantoins of Formula I: ##STR1## wherein R.sub.1 represents d hydrocarbon group which may be substituted and others,cheracterized by reacting N-sustituted-N-alkcycarbonylamnilo-acetonitrile of Formula II: ##STR2## wherein R.sub.2 represents an alkyl group and others, with an alkali metal hydroxides or the like and then treating with an acid.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: March 16, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshio Nagatomi, Shigeki Yokoi, Yoshimi Yamada
  • Patent number: 5883685
    Abstract: As a compensator for use in an OCB mode liquid crystal display there is provided a compensating film capable of making color compensation and attaining such a viewing angle expansion as has not been attainable heretofore.A compensating film for a liquid crystal display, constituted by at least one layer of a compensating film to be used in an OCB mode liquid crystal display, the compensating film being formed by a discotic liquid crystalline material having a fixed orientation form of a discotic liquid crystal, the compensating film being disposed between a driving liquid crystal cell and a pair of upper and lower polarizing plates, and the orientation form being a hybrid orientation in which the angle between discotic liquid crystal directors near the upper interface of the film and the film plane and the angle between discotic liquid crystal directors near the lower interface of the film and film plane are different from each other.
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: March 16, 1999
    Assignee: Nippon Oil Company, Limited
    Inventors: Hitoshi Mazaki, Yasushi Sato, Takehiro Toyooka
  • Patent number: D406696
    Type: Grant
    Filed: February 11, 1997
    Date of Patent: March 16, 1999
    Assignee: Optolast Manufacturing Company Limited
    Inventor: Gary Conway