Patents by Inventor Hiromi Kagaya

Hiromi Kagaya 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).

  • Polycarbonate resin composition and polarizing sheet used the same
    Patent number: 7198830
    Abstract: A polycarbonate resin composition obtained by blending a polycarbonate resin (A) obtained by forming a carbonate bond from 95 to 5 mol % of a dihydroxy compound having a fluorene structure represented by the general formula (1) and 5 to 95 mol % of a dihydroxy compound having a dimethanol structure represented by the general formula (2) and a carbonic diester and a polycarbonate resin (B) obtained by forming a carbonate bond from bisphenol A and a carbonic acid diester or phosgene in a ratio of (100×(A)/((A)+(B))=1 to 99% by weight and a polarizing sheet used the same.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: April 3, 2007
    Assignees: Mitsubishi Gas Chemical Company Inc., Fuji Kasei Co., Ltd.
    Inventors: Takayasu Fujimori, Noriyuki Kato, Shingo Kanasaki, Ryozo Kawai, Hiromi Kagaya
  • Polycarbonate resin composition and polarizing sheet used the same
    Publication number: 20040245511
    Abstract: A polycarbonate resin composition obtained by blending a polycarbonate resin (A) obtained by forming a carbonate bond from 95 to 5 mol % of a dihydroxy compound having a fluorene structure represented by the general formula (1) and 5 to 95 mol % of a dihydroxy compound having a dimethanol structure represented by the general formula (2) and a carbonic diester and a polycarbonate resin (B) obtained by forming a carbonate bond from bisphenol A and a carbonic acid diester or phosgene in a ratio of (100×(A)/((A)+(B))=1 to 99% by weight and a polarizing sheet used the same.
    Type: Application
    Filed: April 28, 2004
    Publication date: December 9, 2004
    Applicants: MITSUBISHI GAS CHEMICAL COMPANY INC., FUJI KASEI CO., LTD.
    Inventors: Takayasu Fujimori, Noriyuki Kato, Shingo Kanasaki, Ryozo Kawai, Hiromi Kagaya