Patents by Inventor Takayuki Tomizawa

Takayuki Tomizawa 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).

  • COFFEE BEVERAGE PRODUCTION DEVICE
    Publication number: 20240008675
    Abstract: A coffee beverage production device capable of using various information related to coffee beverage production. A coffee beverage production device for producing a coffee beverage by acquiring recipe information used for a part or all of steps of coffee beverage production and referring to parameters included in the recipe information, the coffee beverage production device including a storage part configured to store comments related to the parameters.
    Type: Application
    Filed: December 14, 2020
    Publication date: January 11, 2024
    Applicant: DAITO GIKEN, INC.
    Inventors: Taisuke TORIZU, Kazuki TOGASHI, Takayuki TOMIZAWA, Masaki KASHIMA, Kuniaki AIZAKI
  • Oxetanocins
    Patent number: 5214048
    Abstract: This invention relates to novel oxetanocins represented by the following general formula (I): ##STR1## wherein R represents a group represented by ##STR2## and their pharmacologically acceptable salts which have antiviral activities.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: May 25, 1993
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Nobuyoshi Shimada, Shigeru Hasegawa, Takayuki Tomizawa, Seiichi Saito, Kyoichi Shibuya, Akio Fujii, Hiroo Hoshino, Kenichi Matsubara, Takemitsu Nagahata, Katsutoshi Takahashi, Yukihiro Nishiyama
  • Novel antibiotic NK84-0218 and process for the production of the same
    Patent number: 4904585
    Abstract: This invention relates to a novel antibiotic NK84-0218 of the formula: ##STR1## which exhibits antibacterial, antiviral and antineo-plastic activities and is expected as a pharmaceutical as well as a process for the production of the same.
    Type: Grant
    Filed: November 2, 1987
    Date of Patent: February 27, 1990
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Nobuyoshi Shimada, Shigeru Hasegawa, Takashi Harada, Takayuki Tomizawa, Akio Fujii
  • Purine derivative
    Patent number: 4845215
    Abstract: The present invention relates to a novel compound having hypoxanthine base represented by the following formula: ##STR1## as well as to use of said compound and process for producing said compound.The novel compound of the present invention has an immunosuppressive and antiviral actions and is expected to be useful as a medical drug.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: July 4, 1989
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Nobuyoshi Shimada, Takayuki Tomizawa, Shigeru Hasegawa, Kaoru Matsuo, Akio Fujii, Hiroo Hoshino
  • Antibiotic derivative of adenine
    Patent number: 4743689
    Abstract: This invention relates to a novel antibiotic NK84-0218 of the formula: ##STR1## which exhibits antibacterial, antiviral and antineoplastic activities and is expected as a pharmaceutical as well as a process for the production of the same.
    Type: Grant
    Filed: November 8, 1985
    Date of Patent: May 10, 1988
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Nobuyoshi Shimada, Shigeru Hasegawa, Takashi Harada, Takayuki Tomizawa, Akio Fujii
  • Artificial carrier for immobilization of biological proteins
    Patent number: 4416813
    Abstract: A novel artificial carrier is disclosed which is prepared from gelatin, a water-soluble polysaccharide, a sodium metaphosphate and an aldehyde. The carrier can be used to immobilize antibodies, antigens or enzymes. Immobilized antigens and antibodies can be used as a diagnostic reagent in assays involving antigen-antibody reactions.
    Type: Grant
    Filed: March 18, 1982
    Date of Patent: November 22, 1983
    Assignee: Fujizoki Pharmaceutical Co. Ltd.
    Inventors: Mikio Ikeda, Takayuki Tomizawa