Patents by Inventor Tetsuo Matsuda

Tetsuo Matsuda 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).

  • Novel cellulose microcapsules and preparation thereof
    Patent number: 4118336
    Abstract: A novel cellulose microcapsule having adsorbing capacity, consisting of outer semipermeable barrier layer of cellulose and adsorbent powders dispersed within inner cellulose gel matrix, is prepared by ester hydrolysis of a precursor microcapsule consisting of cellulose ester derivative and adsorbent powders. It is excellent in resistance to chemicals such as acids, alkalis or organic solvents and is useful for various purposes.
    Type: Grant
    Filed: December 15, 1976
    Date of Patent: October 3, 1978
    Assignees: Toyo Jozo Company, Ltd., Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Masataka Morishita, Yasuo Yokokawa, Tokio Nishikawa, Masahiro Mishiro, Shigeyasu Ohashi, Mitsuru Fukushima, Yoshihito Inaba, Tetsuo Matsuda
  • EEL calcitonin
    Patent number: 3988309
    Abstract: A polypeptide having calcitonin activity of the formula ##EQU1## and the salts thereof with pharmaceutically acceptable acids.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: October 26, 1976
    Assignee: Toyo Jozo Kabushiki Kaisha
    Inventors: Tetsuo Matsuda, Susumu Watanabe, Shunpei Sakakibara, Eisuke Munekata, Tadanori Morikawa, Masaru Otani, Toshiharu Noda, Hirose Yamauchi, Tosio Meguro, Shuichi Kitazawa
  • Antibiotic aculeacins
    Patent number: 3978210
    Abstract: A family of antibiotics active against pathogenic yeasts and fungi comprises aculeacin-A, -B, -C, -D, -E, -F, and -G. These are produced from cultured broth of Aspergillus aculeatus FERM-P 2324.
    Type: Grant
    Filed: March 6, 1975
    Date of Patent: August 31, 1976
    Assignee: Toyo Jozo Kabushiki Kaisha
    Inventors: Kimio Mizuno, Tetsuo Matsuda, Katsumi Asano, Akira Yagi, Masaki Takada, Tetsu Saito, Minoru Toriya, Shuzo Satoi, Kazuo Matsuura
  • Process for encapsulation of medicaments
    Patent number: 3960757
    Abstract: Encapsulated medicaments are prepared by dissolving a wall material for capsules in at least one organic solvent poorly miscible with water which has a boiling point of less than 100.degree.C., a vapor pressure higher than that of water and a dielectric constant of less than about 10, dissolving or dispersing in the resulting solution a medicament which is insoluble or slightly soluble in water, dispersing the resulting solution or dispersion to the form of fine drops in a liquid vehicle comprising an aqueous solution of a hydrophilic colloid or surface active agent, and then removing the organic solvent by evaporation.
    Type: Grant
    Filed: June 29, 1973
    Date of Patent: June 1, 1976
    Assignee: Toyo Jozo Co., Ltd.
    Inventors: Masataka Morishita, Yoshihito Inaba, Mitsuru Fukushima, Yoshinori Hattori, Sadami Kobari, Tetsuo Matsuda
  • Process for the production of 7-amino-cephem compounds
    Patent number: 3960662
    Abstract: 7-Amino-cephem compounds are produced from 7-substituted-cephem compounds by the enzymatic action of microorganisms Comamonas sp. SY-77-1 FERM-P 2410 or Pseudomonas ovalis ATCC 950.
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: June 1, 1976
    Assignee: Toyo Jozo Kabushiki Kaisha
    Inventors: Tetsuo Matsuda, Tsutomu Yamaguchi, Tadashiro Fujii, Kunio Matsumoto, Masataka Morishita, Mitsuru Fukushima, Yuzo Shibuya