Patents by Inventor Kazuo Matsuura

Kazuo Matsuura 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).

  • Patent number: 5126246
    Abstract: Reagent for analysis of triglycerides contained in blood serum is provided, which comprises lipases and monoglyceride lipases capable of acting on monoglycerides having substrate specificity and capable of catalyzing the following enzymatic reaction: monoglyceride+H.sub.2 O.fwdarw.glycerol+fatty acids. The glycerol or fatty acids are measured to learn an amount of the triglycerides or fatty acid by any known analytical method.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: June 30, 1992
    Assignee: Toyo Jozo Company, Ltd.
    Inventors: Shigeyuki Imamura, Mamoru Takahashi, Hideo Misaki, Kazuo Matsuura
  • Patent number: 5120472
    Abstract: A polymer composition which is superior in processability, exhibits an extremely superior electroconductive characteristic when doped using an electron acceptor, and which comprises.(A) a copolymer represented by the following general formula (I): ##STR1## wherein R.sup.1 is a hydrogen atom or a hydrocarbon residue having 1 to 20 carbon atoms, R.sup.2 is a hydrogen atom, a hydrocarbon residue having 1 to 20 carbon atoms, furyl, pyridyl, nitrophenyl, chlorophenyl, or methoxyphenyl, n and x are each an integer not smaller than 2; and(B) one or more compounds selected from the group consisting of: polypyrrole compounds represented by the following general formula (II): ##STR2## wherein R.sup.3, R.sup.4 and R.sup.5 are each a hydrogen atom or a hydrocarbon residue having 1 to 20 carbon atoms, and p is an integer not smaller than 2; polythiophene compounds represented by the following general formula (III): ##STR3## wherein R.sup.6 and R.sup.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: June 9, 1992
    Assignee: Nippon Oil Company
    Inventors: Yutaka Shikatani, Seiichi Akita, Nobuyuki Kuroda, Kazuo Matsuura
  • Patent number: 5116748
    Abstract: A process for the production of L-alanine dehydrogenase which comprises culturing an L-alanine dehydrogenase producing microorganism belonging to the genus Sporolactobacillus in a nutrient medium and isolating thus-produced L-alanine dehydrogenase from the cultured mass. The microorganism is for example Sporolactobacillus sp. 78-3 FERM BP-2517 and mutants and variants thereof having the ability to produce L-alanine dehydrogenase in recoverable amounts. This strain is a thermophile which cannot grow at 40.degree. C. but can grow at 45.degree. C. and 52.degree. C. The strain can assimilate glucose and produce lactic acid and acetic acid.
    Type: Grant
    Filed: September 26, 1989
    Date of Patent: May 26, 1992
    Assignee: Toyo Jozo Kabushiki Kaisha
    Inventors: Mamoru Takahashi, Shinobu Nagasawa, Shigeru Ikuta, Kazuo Matsuura
  • Patent number: 5116708
    Abstract: A hole transporting material is constituted by a compound represented by the following general formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5, which may be the same or different, are each independently hydrogen or a hydrocarbon residue having 1 to 20 carbon atoms; Ar.sup.1 and Ar.sup.2 are each independently a divalent hydrocarbon residue; l is an integer of 0 or more; m is an integer of 1 or more; and n is an integer of 2 or more.
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: May 26, 1992
    Assignee: Nippon Oil Company, Limited
    Inventors: Yutaka Shikatani, Naoki Kataoka, Nobuyuki Kuroda, Kazuo Matsuura
  • Patent number: 5079158
    Abstract: Disclosed herein is a novel monoglyceride lipase at least capable of catalyzing an enzymatic reaction of the following equation (a) and as substrate specificity, capable of acting on monoglyceride but incapable of acting on diglyceride and triglyceride:(a) Monoglyceride+H.sub.2 O.fwdarw.Glycerol+Fatty acidThe monoglyceride lipase is produced by culturing a specific monoglyceride lipase producing microorganism of Bacillus and then collecting the monoglyceride lipase from the resulting culture. A method is also disclosed for the analysis of a monoglyceride-containing sample solution. The monoglyceride lipase is caused to act on the sample solution upon measurement of the monoglyceride in the sample solution. Either one of glycerol and the fatty acid formed in accordance with the equation (a) is then measured.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: January 7, 1992
    Assignee: Toyo Jozo Co., Ltd.
    Inventors: Shigeyuki Imamura, Mamoru Takahashi, Hideo Misaki, Kazuo Matsuura
  • Patent number: 5079317
    Abstract: A process for producing polyethylene is disclosed in which ethylene is polymerized in the presence of a composite catalyst. The catalyst is made up of a solid catalyst component typified by a selected chromium compound, a modified aluminum compound typified by a trialkylaluminum and an R.sub.n.sup.1 Al(OR.sup.2).sub.3-n compound wherein R.sup.1 and R.sup.2 are represented by selected hydrocarbon groups and n by 0.ltoreq.n.ltoreq.3. The polymer has improved melt index, flow parameter and melt tension characteristics.
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: January 7, 1992
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Yoshino Tajima, Kazutoshi Nomiyama, Nobuyuki Kuroda, Kazuo Matsuura
  • Patent number: 5068677
    Abstract: A laser beam scanning apparatus includes plural laser beam sources for emitting laser beams modulated by a picture signal and having different characteristics from each other, a beam composition device for composing the beams emitted from the sources to form one laser beam, a deflecting device for deflecting the composite beam in a main scanning direction, and a beam splitter for splitting the deflected beam on the basis of the characteristic thereof. The apparatus further includes a beam-selecting device for selecting the beam in correspondence with the characteristic of the beam split by the splitter so as to transmit the beam with a specified characteristic and reflect the beam with a characteristic different from that of the transmitted beam.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: November 26, 1991
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Kazuo Matsuura, Hitoshi Sekino, Keizo Nishiguchi, Narutaka Yoshida
  • Patent number: 5051486
    Abstract: A macromer of the general formula (3) is prepared by a reaction between a silane compound of the general formula (1) and a polyethylene glycol monoalkyl ether of the general formula (2). ##STR1##H--OCH.sub.2 CH.sub.2 .sub.m OR.sub.3 (2) ##STR2## R.sub.1 : H, or C.sub.1 -C.sub.5 alkyl group; R.sub.2 : H, C.sub.1 -C.sub.5 alkyl group, or --OCH.sub.2 CH.sub.2).sub.p OR.sub.4 ;R.sub.3 : C.sub.1 -C.sub.10 alkyl;R.sub.4 : C.sub.1 -C.sub.10 alkyl;l: integer of from 1 to 10 (1.ltoreq.l.ltoreq.10);m: integer of from 1 to 30 (1.ltoreq.m.ltoreq.30); andp: integer of from 1 to 30 (1.ltoreq.p.ltoreq.30).
    Type: Grant
    Filed: August 29, 1990
    Date of Patent: September 24, 1991
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Nobuyuki Kuroda, Hiroshi Kobayashi, Kazuo Matsuura
  • Patent number: 5045619
    Abstract: A novel N-alkenylcarbamate macromer is disclosed. The macromer can be prepared by reacting an alkenyl isocyanate with a polyalkylene glycol monoalkyl ether. When polymerized or copolymerized with other monomers, the macromer produces comb-shaped polymers useful as compatibilizing agents, matrices for polymeric solid electrolytes, etc.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: September 3, 1991
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Nobuyuki Kuroda, Hiroshi Kobayashi, Kazuo Matsuura
  • Patent number: 5026511
    Abstract: A process for producing a polyethylene material for use in products requiring high mechanical strength and high elastic modulus is disclosed. The process involves the use of a specific class of particulate polyethylenes having an intrinsic viscosity of 5-50 dl/g in decalin at 135.degree. C. and the steps of compression molding, solvent immersing, solid-phase extruding or rolling and finally drawing the material in that order.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: June 25, 1991
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Akira Sano, Hirofumi Kamiishi, Seizo Kobayashi, Kazuo Matsuura, Shigeki Yokoyama
  • Patent number: 5013802
    Abstract: A process for preparing an ethylene polymer by a two-stage polymerization of ethylene or ethylene and an .alpha.-olefin in an inert hydrocarbon at 50.degree.-100.degree. C. using a coordination polymerization catalyst containing a solid component and an organoaluminum compound, said solid component containing a transition metal compound, which process comprises:(a) in a first stage, producing 10-90% by weight based on the total polymer quantity of a polymer having a melt index in the range of 0.0001 to 0.5 g/10 min as measured according to ASTM D 1238-73, Condition E, using as said solid component a solid product obtained by supporting chromium trioxide or a compound which on calcining forms chromium oxide at least partially, on an inorganic oxide carrier followed by calcining, and using as said organoaluminum compound a compound of the general formula ##STR1## wherein R is a hydrocarbon radical having 1 to 18 carbon atoms and n is 2.ltoreq.n.ltoreq.
    Type: Grant
    Filed: October 25, 1989
    Date of Patent: May 7, 1991
    Assignee: Nippon Oil Company, Limited
    Inventors: Yoshio Tajima, Kazutosi Nomiyama, Yoshinori Nishikitani, Nobuyuki Kuroda, Kazuo Matsuura
  • Patent number: 5007692
    Abstract: For tracing two scanning paths with a single laser beam, a laser beam scanning system comprises a laser beam source radiating a laser beam, a collimator lens unit, a PLZT element for rotating the polarized direction of the laser beam over 90 degrees, a polygonal mirror causing the laser beam to sweep in a lateral direction, a scanning lens unit for regulating the liner velocity of sweeping motion, a polarization beam splitter transmitting or deflecting the laser beam toward a first destination depending upon the polarized direction and a reflective mirror directing the laser beam transmitted from the beam splitter to a second destination, and the PLZT element is applied with a biasing voltage at every second scanning motion for the rotation of the polarized direction, so that the laser beam rapidly changes the scanning path.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: April 16, 1991
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventor: Kazuo Matsuura
  • Patent number: 5006633
    Abstract: An electroactive polymer is obtained by doping a copolymer represented by the following general formula (I): ##STR1## wherein R.sup.1 is hydrogen or a hydrocarbon residue having 1 to 20 carbon atoms; R.sup.2 is hydrogen, a hydrocarbon residue having 1 to 20 carbon atoms, furyl, pyridyl, nitrophenyl, chlorophenyl, or methoxyphenyl; l is an integer not smaller than 2; m is an integer not smaller than 1; and n is an integer not smaller than 2.
    Type: Grant
    Filed: August 18, 1989
    Date of Patent: April 9, 1991
    Assignee: Nippon Oil Company, Limited
    Inventors: Yutaka Shikatani, Naoki Kataoka, Yoshiyuki Shimo, Nobuyuki Kuroda, Kazuo Matsuura
  • Patent number: 5002714
    Abstract: A process for the production of polyethylene materials oriented at a high level is disclosed in which a selected ethylene polymer as produced is extruded or rolled at a temperature lower than its melting point and subsequently subjected to stretching. The polymer is from 5 to 50 dl/g at 135.degree. C. in decalin in intrinsic viscosity and smaller than 60 .ANG. in crystal size on a plane (110) in the diffraction pattern.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: March 26, 1991
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Akira Sano, Hirofumi Kamiishi, Yoshimu Iwanami, Shigeki Yokoyama, Kazuo Matsuura
  • Patent number: 4996011
    Abstract: A process for producing polyethylene materials in which ultrahigh molecular polyethylene is molded by compression, extrusion or rolling and stretching in a solid phase and at specified temperatures. The polymer is formed by a selected multi-stage polymerization with the use of a composite catalyst of specified compositions. Fibers or films are obtained with improved strength and modulus qualities.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: February 26, 1991
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Akira Sano, Hirofumi Kamiishi, Kazuo Matsuura
  • Patent number: 4978473
    Abstract: The present invention relates to a polymeric solid electrolyte which comprises a network molecule formed by polymerizing a polyethylene glycol with acrylic or methacrylic groups at both ends, and containing therein (a) a specific acrylate-type copolymer, (b) a low molecular polyethylene glycol with both ends methyl-esterified, and (c) an alkali metal salt or ammonium salt. The polymeric solid electrolyte of the present invention has an ionic conductivity of 10.sup.-5 S/cm or higher at room temperature, is strong in film strength even with a thickness of 100 .mu.m or less, and is superb in adherence to electrodes.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: December 18, 1990
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Nobuyuki Kuroda, Hiroshi Kobayashi, Kazuo Matsuura
  • Patent number: 4970012
    Abstract: Polymeric solid electrolytes are formed by the present invention, namely, by incorporating a low molecular weight polyethylene glycol, a high molecular weight polyethylene oxide and an alkali metal or ammonium salt in a specific cinnamate ester compound, followed by a polymerization and crosslinking. The polymeric solid electrolytes have high ionic conductivity, high strength as a film, and good adhesion with electrodes. Therefore, they can be applied widely as ionics materials, e.g., for the total solidification of lithium batteries and plastic batteries and high capacity condensers and as electrolytes for electrochromic displays.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: November 13, 1990
    Assignee: Nippon Oil Company, Ltd.
    Inventors: Nobuyuki Kuroda, Hiroshi Kobayashi, Kazuo Matsuura
  • Patent number: 4962167
    Abstract: A process for preparing an ultra-high molecular weight polyethylene by the polymerization of ethylene using a catalyst comprising a solid catalyst component and an organometallic compound, characterized in that said solid catalyst component is a product obtained by contacting the following [A] and [B] together:[A] the reaction product of a magnesium dihalide and a titanium compound represented by the general formula Ti(OR).sub.4 wherein R is a hydrocarbon group having 1 to 20 carbon atoms;[B] the reaction product of an aluminum trihalide and a silicon compound represented by the general formula Si(OR').sub.4 wherein R' is a hydrocarbon group having 1 to 20 carbon atoms.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: October 9, 1990
    Assignee: Nippon Oil Company, Limited
    Inventors: Takeichi Shiraishi, Wataru Uchida, Kazuo Matsuura
  • Patent number: 4952667
    Abstract: Provided is a copolymer having a repeating unit represented by the general formula ##STR1## wherein Ar represents ##STR2## wherein R.sup.1 represents hydrogen or a hydrocarbon group having 1 to 20 carbon atoms, R.sup.2 represents hydrogen, a hydrocarbon group having 1 to 20 carbon atoms, furyl, pyridyl, chlorophenyl, nitrophenyl or methoxyphenyl, n is 1 or more and an electroactive polymer obtained by doping the above copolymer.
    Type: Grant
    Filed: June 8, 1988
    Date of Patent: August 28, 1990
    Assignee: Nippon Oil Company, Limited
    Inventors: Yutaka Shikatani, Hobuyuki Kuroda, Naoki Kataoka, Yoshiyuki Shimo, Kazuo Matsuura, Etsuo Kawamata, Hiroshi Kobayashi
  • Patent number: 4923935
    Abstract: A process for producing polyethylene of ultrahigh molecular weight having an intrinsic viscosity of 10-30 dl/g at 135.degree. C. in decalin is disclosed which comprises at least the following two stages of polymerization reaction: (a) a first reaction stage where in ethylene is polymerized with use of a catalyst comprising a solid component containing at least Mg, Ti and/or Va and in the absence or presence of hydrogen of reduced concentration to produce 70-99.5 weight parts of polyethylene having an intrinsic viscosity of 12-32 dl/g at 135.degree. C. in decalin; and (b) a second reaction stage wherein a fresh feed of ethylene is polymerized in the presence of hydrogen of higher concentration to produce 30-0.5 weight parts of polyethylene having an intrinsic viscosity of 0.1-5 dl/g at 135.degree. C. in decalin.
    Type: Grant
    Filed: January 26, 1989
    Date of Patent: May 8, 1990
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Akira Sano, Shigeki Yokoyama, Yasunosuke Miyazaki, Tetsujiro Kuroishi, Kazuo Matsuura