Patents by Inventor Hiroaki Takagi

Hiroaki Takagi 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).

  • Bacillus brevis strains and application thereof
    Patent number: 4946789
    Abstract: Bacillus brevis strains which produce a large amount of protein but no protease out of the cells are disclosed. These strains are highly useful as hosts in genetic engineering.
    Type: Grant
    Filed: April 28, 1987
    Date of Patent: August 7, 1990
    Assignee: Higeta Shoyu Co., Ltd.
    Inventors: Shigezo Udaka, Hiroaki Takagi, Kiyoshi Kadowaki
  • Polygalactosamine PF-192 and salts thereof
    Patent number: 4837313
    Abstract: A natural polymer material PF-102 and salts thereof are widely available as a convenient flocculant for fine suspended matters. PF-102 can be produced by, for example, an imperfect fungus Paecilomyces I-1 (FERM BP-1180).
    Type: Grant
    Filed: February 2, 1987
    Date of Patent: June 6, 1989
    Assignee: Higeta Shoyu Co., Ltd.
    Inventors: Jun-ichi Tamura, Hiroaki Takagi
  • Hybrid IC device
    Patent number: 4827328
    Abstract: A compact and dense hybrid integrated circuit device which can be encapsulated by transfer molding can be manufactured by forming through holes in a ceramic or glass substrate, which through holes have a diameter of less than 0.2 mm, preferably less than 0.1 mm, a thin film circuit element being formed on one surface of the substrate, and a thin or thick film circuit element being formed on the other surface of the substrate. A fine through hole as mentioned above can be formed by laser drilling, etc., and plating.
    Type: Grant
    Filed: March 17, 1987
    Date of Patent: May 2, 1989
    Assignee: Fujitsu Limited
    Inventors: Takashi Ozawa, Ichiro Munakata, Hiroaki Takagi, Ryoichi Kozaki