Patents by Inventor Masaharu Komai

Masaharu Komai 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: 5470917
    Abstract: A vulcanizable rubber composition which contains an iodine- or bromine-containing rubber and an organic peroxide of the formula. ##STR1## wherein R.sup.1 is a hydrogen atom, a chlorine atom or methyl group, R.sup.2 is a linear or branched alkyl group having 2 to 5 carbon atoms, and n is an integer of 1 to 3, generates only a small amount of methyl iodide or methyl bromide during the vulcanization.
    Type: Grant
    Filed: January 4, 1994
    Date of Patent: November 28, 1995
    Assignee: Daikin Industries Limited
    Inventors: Shuji Suyama, Hideyo Ishigaki, Masayasu Tomoda, Yoshihiro Shirai, Hiroyuki Tanaka, Masaharu Komai
  • Patent number: 5296549
    Abstract: A vulcanizable rubber composition which contains an iodine- or bromine-containing rubber and an organic peroxide of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom, a chlorine atoms or methyl group, R.sup.2 is a linear or branched alkyl group having 2 to 5 carbon atoms, and n is an integer of 1 to 3, generates only a small amount of methyl iodide or methyl bromide during the vulcanization.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: March 22, 1994
    Assignee: Daikin Industries Ltd.
    Inventors: Shuji Suyama, Hideyo Ishigaki, Masayasu Tomoda, Yoshihiro Shirai, Hiroyuki Tanaka, Masaharu Komai