Patents by Inventor Shuichi Ishino

Shuichi Ishino 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).

  • Method of producing flavine nucleotides
    Patent number: 5514574
    Abstract: Flavine nucleotides, which are useful as ingredients of nutrient compositions, raw materials for various pharmaceutical products, biochemical research reagents and so on, are produced from flavine nucleotide precursors and ATP by utilizing cells or a culture of a microorganism which belongs to the genus Escherichia, Enterobactor or Pseudomonas and harbors a recombinant DNA comprising a vector DNA and a DNA fragment carrying the genetic information relevant to the synthesis of FMN and/or FAD, or treated cells or a treated culture of the microorganism.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: May 7, 1996
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Katsura Kitatsuji, Shuichi Ishino, Sadao Teshiba, Masaru Arimoto
  • Polysaccharide and a method of producing it
    Patent number: 5378832
    Abstract: The present invention provides a polymer comprising a polysaccharide having excellent water absorption properties, moisture absorption properties, moisture retention properties and thickening properties. Said polysaccharide has the following properties: (A) the principal constituents of the sugar composition are rhamnose, fucose, glucose and glucuronic acid which are present in a molar ratio of (1-4):2:(1-8):(1-4); (B) elemental analysis (wt %):C: 36 .+-.3H: 7 .+-.1O: 56 .+-.4,containing 9-13% of crystalline water(C) solubility:slightly soluble in water; soluble in alkalies; insoluble in methanol, ethanol and acetone;(D) UV absorption spectrum:no absorption detected at 280 nm characteristic of proteins (peptides) or at 260 nm characteristic of nucleic acids; and(E) IR absorption spectrum:an absorption pattern characteristic of polysaccharides is observed near 800-1200.sup.-iSaid polysaccharide is produced by a fermentation method using a natural medium or a synthetic medium of Alcaligenes microorganism.
    Type: Grant
    Filed: July 20, 1993
    Date of Patent: January 3, 1995
    Assignees: Agency of Industrial Science and Technology, Kyowa Hokkoh Kogyo Co., Ltd.
    Inventors: Ryuichiro Kurane, Yasuhiro Nohata, Michio Shiomi, Shuichi Ishino, Akira Yotsuji, Hideki Murata, Seiji Sugimoto
  • DNA coding for uricase and process for producing uricase
    Patent number: 5376545
    Abstract: The present invention provides a DNA coding for uricase from the genus Cellulomonas and a process for producing uricase using a microorganism which carries a recombinant DNA containing the DNA.
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: December 27, 1994
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Makoto Yagasaki, Shuichi Ishino, Kazuhisa Iwata, Masaki Azuma, Sadao Teshiba, Masaru Hasegawa, Kazuo Yamaguchi, Keiichi Yano, Yoshiharu Yokoo, Yukio Hashimoto
  • Yeast with high content of arginine
    Patent number: 5217888
    Abstract: The present invention relates to yeast with a high arginine content which belongs to Kluyveromyces polysporus and has resistance to ethionine.
    Type: Grant
    Filed: May 2, 1991
    Date of Patent: June 8, 1993
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Shuichi Ishino, Takahiro Hara, Sadao Teshiba
  • Process for producing l-phenylalanine
    Patent number: 4783403
    Abstract: L-phenylalanine is produced by using a microorganism belonging to the species Citrobacter freundii, Erwinia herbicola, Enterobacter cloacae, Klebsiella oxytoca, Salmonella typhimurium, Bacillus cereus, Flavobacterium suaveolens, Serratia marcescens, Pseudomonas putida, Enterobacter cloacae, Proteus mirabilis, Paracoccus denitrificans, Arthrobacter globiformis, Bacillus sphaericus, Corynebacterium hydrocarboclastus, Kluyvera micum or Microbacterium ammoniaphilum and having the ability to convert phenylpyruvic acid into L-phenylalanine in the presence of an amino group donor; or fumaric acid and ammonium ion or urea.
    Type: Grant
    Filed: February 1, 1985
    Date of Patent: November 8, 1988
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Kazumi Araki, Toshitsugu Ozeki, Yukiyoshi Ito, Shuichi Ishino, Hideharu Anazawa, Shigeru Kamimori