Patents by Inventor Toshiyuki Mase

Toshiyuki Mase 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).

  • Isocoumarin derivatives and use thereof in drugs
    Patent number: 6020363
    Abstract: Compounds of the formula (I) ##STR1## wherein R is a hydrogen atom or a C.sub.1-6 alkyl group and n is an integer of 0 or 1, and pharmaceutical preparations thereof are provided. These pharmaceutical preparations are useful for the prevention or treatment of diseases associated with an abnormality in immunological regulatory function or vascularization.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: February 1, 2000
    Assignees: Mercian Corporation, Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
    Inventors: Shin-ichi Hirano, Toshiyuki Mase, Naoki Agata, Hiroshi Iguchi, Naoki Matsumoto, Takeo Yoshioka, Hiroshi Tone, Hiroyuki Kumagai, Masaaki Ishizuki, Tomio Takeuchi
  • Ice making machine and method of manufacture thereof
    Patent number: 4589261
    Abstract: A ice making machine having a plurality of novel ice making plates or more preferably cylindrical ice making plates, which is formed to be longitudinal cell type wherein said ice making plates proper can be integrally fabricated by extrusion or drawing of heat conductive material, to have a means of fixing cooling tubing thereto by expanding, to be constructed said ice making plates proper and distance pieces made of heat insulating material being piled up alternately upon each other, to be constructed said cooling tubing being fixed thereto by expanding and thus to be assembled ice making plates having a predetermined size and number of ice cube making chambers therein.
    Type: Grant
    Filed: December 6, 1983
    Date of Patent: May 20, 1986
    Assignee: Daikin Industries, Ltd.
    Inventors: Ryutaro Ohashi, Hisashi Hasegawa, Masao Miyoshi, Hajime Iida, Toshiyuki Mase, Takashi Tanaka, Tsunemasa Funatsu, Tami Nakanishi