Patents by Inventor Masao Shukuya

Masao Shukuya 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).

  • Patent number: 5579231
    Abstract: The present invention is to provide an equipment production management system, in which the electronic equipment is designed corresponding to an order from customers, which enables unified preparation from derivation of equipment corresponding to the customer conditions concerning equipment installation design, and construction associated drawing design. The system includes a terminal unit and a central control system, in which is provided a customer base order information file, design data file, a design know-how information file established by making a know-how library on the equipment installation design as input files. The central processing system includes an installation designing section corresponding to installation design for respective stages from overall layout to installation of the elementary parts.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 26, 1996
    Assignee: Fujitsu Limited
    Inventors: Kouji Sudou, Masao Shukuya, Katsuo Okuyama, Masao Ishiwata, Hidetoshi Uchibori, Toshinari Matsui, Shigeru Kubo, Michinori Matsubayashi, Kazuhide Toyoda, Eiko Takei, Hidekazu Morihiro, Masayoshi Suzuki, Hideo Ohata
  • Patent number: 4122117
    Abstract: An indandione pigment having high tinting strength and good weatherability and light fastness of the formula ##STR1## WHEREIN A is a phenylene or naphthylene group optionally substituted by a halogen atom, a lower alkyl group, a lower alkoxy group or a nitro group; n is 2 or 1; and B represents a direct bond or an n valont aromatic radical.The pigment mentioned above can be prepared by reacting an indandione derivative of the formula ##STR2## (E is an alkoxy group with 1 to 3 carbon atoms, or an amino group; and G is an oxygen atom, or ##STR3## in which Q is a lower alkyl group, and Q.sub.2 is a lower alkyl group or a phenyl group) with an amino compound of the formula H.sub.2 N--B--NH.sub.2 ]n-1.
    Type: Grant
    Filed: January 18, 1977
    Date of Patent: October 24, 1978
    Assignee: Dainippon Ink & Chemicals, Inc.
    Inventors: Hirohito Ando, Kouichi Takagi, Masao Shukuya