Patents by Inventor Mariko Ishii

Mariko Ishii 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).

  • Thermal stabilizer composition and synthetic resin composition comprising same
    Patent number: 10654990
    Abstract: Provided are: a thermal stabilizer composition which does not generate an odor of a phosphorus-based antioxidant; and a synthetic resin composition comprising the same. The thermal stabilizer composition comprises: 100 parts by mass of a phosphorus-based antioxidant having a phosphite structure; and 0.001 to 10 parts by mass of a phenolic antioxidant having a substructure represented by the following Formula (1): (wherein, R1, R2, R3 and R4 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms; a represents an integer of 0 to 2; and, when a is 2, plural R3s are optionally the same or different).
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: May 19, 2020
    Assignee: ADEKA CORPORATION
    Inventors: Yoshinori Negishi, Yasuhiro Honma, Masaki Segawa, Yuto Ishizuka, Mariko Ishii
  • THERMAL STABILIZER COMPOSITION AND SYNTHETIC RESIN COMPOSITION COMPRISING SAME
    Publication number: 20170253727
    Abstract: Provided are: a thermal stabilizer composition which does not generate an odor of a phosphorus-based antioxidant; and a synthetic resin composition comprising the same. The thermal stabilizer composition comprises: 100 parts by mass of a phosphorus-based antioxidant having a phosphite structure; and 0.001 to 10 parts by mass of a phenolic antioxidant having a substructure represented by the following Formula (1): (wherein, R1, R2, R3 and R4 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms; a represents an integer of 0 to 2; and, when a is 2, plural R3s are optionally the same or different).
    Type: Application
    Filed: August 4, 2015
    Publication date: September 7, 2017
    Applicant: ADEKA CORPORATION
    Inventors: Yoshinori NEGISHI, Yasuhiro HONMA, Masaki SEGAWA, Yuto ISHIZUKA, Mariko ISHII
  • Method for modulating the immune system
    Patent number: 5763420
    Abstract: An anti-inflammatory drug comprising as the effective component at least one compound selected from the group consisting of colominic acid, partial hydrolysis products of colominic acid and pharmaceutically acceptable salts, thereof. The drug is used as a drug for renal diseases, a drug for hepatitis, an immunomodulator and a drug for inhibiting the chemotaxis of neutrophil.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: June 9, 1998
    Assignee: MECT Corporation
    Inventors: Ryoichi Osawa, Isao Suda, Masaaki Numata, Mamoru Sugimoto, Kenkichi Tomita, Nobuyuki Kibushi, Takayuki Ishii, Naokazu Sugiyama, Makiko Kasano, Tae Yasunaga, Makoto Tanaka, Tomoya Ogawa, Mariko Ishii
  • Methods for inhibiting the chemotaxis of neutrophils
    Patent number: 5668115
    Abstract: An anti-inflammatory drug comprising as the effective component at least one compound selected from the group consisting of colominic acid, partial hydrolysis products of colominic acid and pharmaceutically acceptable salts thereof. The drug is used as a drug for renal diseases, a drug for hepatitis, an immunomodulator and a drug for inhibiting the chemotaxis of neutrophil.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: September 16, 1997
    Assignee: MECT Corporation
    Inventors: Ryoichi Osawa, Isao Suda, Masaaki Numata, Mamoru Sugimoto, Kenkichi Tomita, Nobuyuki Kibushi, Takayuki Ishii, Naokazu Sugiyama, Makiko Kasano, Tae Yasunaga, Makoto Tanaka, Tomoya Ogawa, Mariko Ishii
  • Anti-inflammatory agent
    Patent number: 5516764
    Abstract: An anti-inflammatory drug comprising as the effective component at least one compound selected from the group consisting of colominic acid, partial hydrolysis products of colominic acid and pharmaceutically acceptable salts thereof. The drug is used as a drug for renal diseases, a drug for hepatitis, an immunomodulator and a drug for inhibiting the chemotaxis of neutrophil.
    Type: Grant
    Filed: March 28, 1994
    Date of Patent: May 14, 1996
    Assignee: Mect Corporation
    Inventors: Ryoichi Osawa, Isao Suda, Masaaki Numata, Mamoru Sugimoto, Kenkichi Tomita, Nobuyuki Kibushi, Takayuki Ishii, Naokazu Sugiyama, Makiko Kasano, Tae Yasunaga, Makoto Tanaka, Tomoya Ogawa, Mariko Ishii
  • Preparation for treating renal disease
    Patent number: 5393742
    Abstract: A preparation is useful for treating renal disease, such as nephritis and especially nephrosis (nephrotic syndrome), which comprises an effective amount of N-acetylneuraminic acid shown by the formula ##STR1## wherein, when n is 1, Z represents hydrogens, lithium, potassium, sodium, ammonium or organic ammonium, and when n is 2, Z represents calcium, barium or magnesium, and a pharmacologically acceptable carrier.
    Type: Grant
    Filed: August 19, 1993
    Date of Patent: February 28, 1995
    Assignee: MECT Corporation
    Inventors: Takayuki Ishii, Makiko Kasano, Tae Yasunaga, Mariko Ishii, Mamoru Sugimoto, Kenkichi Tomita, Takeshi Miyata, Makoto Tanaka